Online Tools That Respect Your Privacy

AI Article Writer & Rewriter — Free AI Content Generator

Free, private, serverless AI article writer and rewriter. Generate blog posts, essays, and articles from topics or rewrite existing content. Multiple tones, languages, and export formats. AI runs 100% in your browser — text never leaves your device.

AI Camera Sentinel — Smart Security Monitor with Multi-Camera & Video Capture

Free AI security camera with multi-camera dashboard, video clip capture, ZIP download, custom voice alerts, motion heatmap, zone detection, night vision, and 80+ object detection. 100% private, no cloud — runs in your browser.

AI Resume Analyzer — ATS Score & Keyword Optimization

Free AI-powered resume analyzer with PDF/DOCX upload, ATS scoring, semantic keyword matching, readability analysis, skill level detection, industry-specific evaluation, and downloadable PDF reports. AI runs 100% in your browser — your resume never leaves your device. Compare against multiple job descriptions, get ATS format warnings, and receive actionable improvement suggestions. No uploads to servers, no signups, no data storage.

Background Remover — Batch AI Processing

Free, private, serverless AI background remover with professional-grade accuracy. Remove image backgrounds instantly using advanced AI deep learning model powered by AI engine with hardware acceleration — runs 100% in your browser. Supports batch processing of multiple images with before/after comparison slider. Choose transparent, white, black, or custom color backgrounds. Select medium or full quality mode. Download as PNG or ZIP. No uploads, no watermarks, no signup — your images never leave your device. Comparable to professional services quality.

CSV Data Analyzer — Batch Insights

Free, private, serverless CSV Data Analyzer. Upload any CSV file and instantly get statistics, charts, filters, and data exploration — all in your browser. Supports millions of rows with batch processing, auto-detects delimiters, generates bar charts, pie charts, histograms, scatter plots. Download filtered results as CSV. No data leaves your browser — 100% client-side.

Depth Map Generator — AI Monocular Depth Estimation

Free serverless depth map generator that runs entirely in your browser — no upload, no server, no signup. Generate depth maps from single images using an advanced AI engine. Five colormaps: Inferno, Grayscale, Plasma, Turbo, Viridis. Batch processing with ZIP download. AI engine cached after first load. Your images never leave your device — 100% private.

Face Blur & Anonymizer — Free Browser-Based

Free serverless face blur and anonymizer tool that runs entirely in your browser — no upload, no server, no signup. Automatically detect and blur faces in images using AI that downloads once and runs locally on your device. Choose Gaussian blur, pixelate, or black box mode. Adjustable intensity. Batch processing. Runs in your browser after first load. Your images never leave your device — 100% private.

Image Colorizer — AI Grayscale to Color

Free serverless image colorizer tool that runs entirely in your browser — no upload, no server, no signup. Automatically add color to black and white or grayscale photos using intelligent color mapping. Five color styles: Natural, Vibrant, Warm, Cool, and Sepia Vintage. Adjustable intensity. Batch processing with ZIP download. Your images never leave your device — 100% private.

Image Upscaler — Free Browser-Based AI

Free serverless image upscaler that runs entirely in your browser — no upload, no server, no signup. Enlarge images 2x or 4x with AI-powered sharpening that runs locally on your device. Multi-step upscaling with unsharp mask for crisp, detailed results. Choose PNG, WebP, or JPEG output. Batch processing. Runs in your browser. Your images never leave your device — 100% private.

LocalMind — Free Chat with PDF & Docs Using Local AI

Free AI tool to chat with PDF, Word & text files — 100% private, no upload needed. LocalMind runs locally in your browser using Google Gemma AI. No account, no cloud, no data leaves your device. 100% serverless.

Named Entity Extractor — AI Text Entity Recognition

Free, private, serverless AI named entity recognition (NER) tool. Extract and highlight people, organizations, locations, and miscellaneous entities from text using AI NER powered by AI engine. View color-coded highlighted text with entity categories, confidence scores, and grouped summaries. Perfect for text mining, document analysis, news parsing, and research. All processing runs locally in your browser.

OCR Text Extractor — Free Browser-Based

Free serverless OCR text extractor that runs entirely in your browser — no upload, no server, no signup. Extract text from images instantly using AI engine AI that downloads once and runs locally on your device. Supports 13+ languages including English, Arabic, Chinese, Japanese. Runs in your browser after first load. Your images never leave your device — 100% private. Batch processing with confidence score.

Object Detection — AI Image Analyzer

Free, private, serverless AI object detection tool. Detect and label 80+ objects in images using the AI deep learning model powered by AI engine. Draws bounding boxes with confidence scores around people, cars, animals, furniture, electronics, and more. Supports batch processing of multiple images with Download All ZIP. All processing runs locally in your browser — no data is uploaded, no signup required.

Sentiment Analyzer — AI Text Emotion Detector

Free, private, serverless AI sentiment analyzer. Detect whether text expresses positive, negative, or neutral sentiment using a AI model deep learning model powered by AI engine. Analyze individual sentences or perform bulk multi-line sentiment analysis with confidence scores and visual indicators. Perfect for analyzing reviews, feedback, social media posts, and customer comments. All processing runs locally in your browser — no data leaves your device.

Speech to Text — AI Audio Transcription

Free serverless speech to text tool that runs entirely in your browser — no upload, no server, no signup. Transcribe audio and video files using an advanced AI engine. Supports auto language detection, 10+ languages, multiple accuracy levels. AI engine is cached after first download. Your audio never leaves your device — 100% private.

Style Transfer — AI Artistic Image Transformer

Free, private, serverless AI style transfer tool. Transform your photos with artistic styles from any reference image using advanced color transfer algorithms. Apply the visual style of famous paintings, illustrations, or any artistic reference to your images. Supports batch processing of multiple images with Download All ZIP. Adjustable style strength and output size. All processing runs locally in your browser — no images are uploaded.

Text to Speech — AI Voice Generator

Free serverless text to speech tool that runs entirely in your browser — no upload, no server, no signup. Convert any text to speech using your browser's built-in voice engine. Choose from dozens of voices and languages. Adjustable speed and pitch. Real-time waveform visualization. All processing happens locally in your browser. Your text never leaves your device — 100% private.

Emoji Picker — Free Online Emoji Search & Copy Tool

Free, private, serverless emoji picker with 1500+ emojis across 9 categories. Search, click to copy, view Unicode codes — 100% client-side.

Fancy Text Generator — 20+ Unicode Styles for Social Media

Free, private, serverless Fancy Text Generator with 20+ Unicode styles. Create bold, italic, script, gothic, circled, and strikethrough text for Instagram, Twitter, Facebook — 100% client-side.

Find & Replace — Bulk

Free, private, serverless find and replace tool with bulk support. Search and replace text using plain text or regular expressions. Supports case-sensitive matching, whole-word search, regex patterns, match highlighting, and batch processing of multiple replacements. Perfect for developers, writers, and data analysts. No data leaves your browser — 100% client-side.

Lorem Ipsum Generator

Free, private, serverless Lorem Ipsum generator. Create placeholder text instantly. No data leaves your browser.

Markdown Preview

Free, private, serverless Markdown previewer. Live Markdown preview with syntax highlighting. No data leaves your browser.

Remove Duplicate Lines — Text Deduplicator

Free text deduplicator. Remove duplicate lines with case sensitivity, whitespace trimming, and sort options. See removal stats — 100% client-side. 100% serverless.

String Length Counter

Free, private, serverless string length counter. Count characters, words, bytes (UTF-8), lines, sentences, and paragraphs instantly. Supports bulk per-line analysis — paste multiple lines and get individual counts. No data leaves your browser — 100% client-side.

Text Case Converter — Bulk

Free, private, serverless text case converter with bulk support. Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE, dot.case, tOGGLE cASE, and aLtErNaTiNg CaSe. Process multiple lines at once for batch conversion. Ideal for developers, writers, and content creators. No data leaves your browser — 100% client-side.

Text Diff Checker

Free, private, serverless text diff checker. Compare two texts side by side with highlighted additions, deletions, and unchanged lines. Supports ignore whitespace and ignore case options. Color-coded diff output shows exactly what changed. LCS-based algorithm for accurate results. No data leaves your browser — 100% client-side comparison tool.

Text Repeater — Bulk

Free, private, serverless text repeater. Repeat any text or phrase multiple times with customizable separators (newline, space, comma, tab, custom). Number lines, set repeat count up to 10,000. Bulk processing supported — paste multiple lines and repeat each one. No data leaves your browser — 100% client-side.

Text Reverser — Flip & Mirror Text

Free, private text reverser. Reverse characters, words, or lines. Flip text upside down with Unicode. Character and word count — 100% client-side. 100% serverless.

Text to Slug Generator — Bulk

Free, private, serverless text to slug generator with bulk support. Convert titles, headings, and text into URL-friendly slugs instantly. Supports batch processing of multiple lines, custom separators (hyphen, underscore, dot), lowercase conversion, and accent removal. Perfect for bloggers, developers, and SEO professionals. No data leaves your browser.

Unicode Character Lookup

Free, private, serverless Unicode character lookup. Search characters by name, code point (U+XXXX), or paste any character for instant analysis. Browse categories — arrows, math symbols, currency, emoji, box drawing, Greek letters. Click any character to copy. No data leaves your browser — 100% client-side.

Word Counter

Free, private, serverless word counter. Count words, characters, sentences, and paragraphs instantly. No data leaves your browser.

Favicon Generator

Free, private, serverless favicon generator. Create favicons from image upload or text/emoji. Preview at 16, 32, and 64px sizes. Download all standard sizes (16–512px). Generate HTML meta tags for easy integration. No data leaves your browser — 100% client-side.

Image Color Palette Extractor

Free, private, serverless image color palette extractor. Upload any image and extract dominant colors using median-cut quantization. View colors in HEX, RGB, and HSL with percentage distribution. Click to copy, export as JSON, or copy CSS values. No data leaves your browser — 100% client-side.

Image Compressor — Batch with Quality Control

Free, private, serverless image compressor. Compress multiple images with quality control, max-width resize, and format conversion (WebP, JPEG, PNG). Per-image savings percentage. No data leaves your browser — 100% client-side.

Image Cropper

Free, private, serverless image cropper. Crop images with drag-to-select, preset aspect ratios (1:1, 4:3, 16:9, 9:16), custom selections, and quality control. Export as PNG, JPEG, or WebP. No data leaves your browser — 100% client-side.

Image EXIF Viewer — Free Metadata Reader Tool

Free, private image EXIF viewer. Read camera, GPS, date, and metadata from photos — bulk support, downloadable report. 100% client-side. 100% serverless.

Image Format Converter — Batch

Free, private, serverless image format converter. Convert images between PNG, JPEG, WebP, and BMP formats with quality control. Batch processing with drag-and-drop. No data leaves your browser — 100% client-side.

Image Resizer — Batch with Aspect Ratio

Free, private, serverless image resizer. Resize images by dimensions or percentage with aspect ratio lock. Batch processing with drag-and-drop. Quality and format control. No data leaves your browser — 100% client-side.

Image Watermark Tool — Free Online Photo Watermark Maker

Free, private, serverless online image watermark tool. Add text or image watermarks with custom opacity, position, and tiling — 100% client-side.

Image to Pattern Converter

Free, private, serverless image to pattern converter. Transform photos into cross-stitch, pixel art, and knitting patterns with adjustable grid size, color quantization, and multiple render styles. Download printable pattern grids with color palettes. No data leaves your browser — 100% client-side.

API Response Mocker — Free Online Mock API Endpoint Creator

Free, private, serverless API response mocker. Define mock endpoints with methods, status codes, and JSON responses — 100% client-side.

Base64 Encoder / Decoder

Free, private, serverless Base64 encoder and decoder. Encode and decode Base64 strings instantly. No data leaves your browser.

Border Radius Generator — CSS Border Radius Tool

Free, private, serverless CSS border-radius generator. Create custom rounded corners with live preview — copy CSS code instantly. 100% client-side.

Box Shadow Generator

Free, private, serverless CSS box shadow generator with live preview. Adjust horizontal/vertical offset, blur, spread, color, inset, and border radius. Choose from 6 professional presets. One-click copy CSS code. No data leaves your browser — 100% client-side.

CSS Animation Generator — Keyframe Animation Builder

Free, private, serverless CSS animation generator. Create custom keyframe animations with live preview — copy CSS code instantly. 100% client-side.

CSS Flexbox & Grid Playground — Free Visual Layout Builder

Free, private, serverless CSS Flexbox and Grid playground. Visual layout builder with live preview and generated CSS code — 100% client-side.

CSS Gradient Generator

Free, private, serverless CSS gradient generator. Create stunning linear, radial, and conic gradients with unlimited color stops. Live preview, angle control, 6 beautiful presets, and one-click CSS code copy. No data leaves your browser — 100% client-side.

CSS Minifier

Free, private, serverless CSS minifier. Minify and beautify CSS code instantly. No data leaves your browser.

Color Palette Generator

Free, private, serverless color palette generator. Create harmonious color palettes using 6 methods: random, analogous, complementary, triadic, split complementary, and monochromatic. Click to copy hex codes. Export as CSS variables. No data leaves your browser — 100% client-side.

Color Picker & Converter

Free, private, serverless color picker and converter. Pick and convert colors between HEX, RGB, and HSL. No data leaves your browser.

Cron Expression Generator — Interactive

Free, private, serverless cron expression generator. Build cron schedules visually with presets, human-readable descriptions, and next 5 run times preview. No data leaves your browser — 100% client-side.

Diff Checker

Free, private, serverless text diff checker. Compare two texts side-by-side with line-by-line diff highlighting. Color-coded additions and deletions, line numbers, ignore whitespace and case options. No data leaves your browser — 100% client-side.

Environment Variable Editor — Free Online .env File Editor

Free, private, serverless .env file editor. Parse, edit, validate, and export environment variables — 100% client-side.

Epoch / Unix Timestamp Converter — Bulk

Free, private, serverless Epoch and Unix timestamp converter with bulk support. Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds, displays UTC, local time, ISO 8601, relative time, and timezone info. Convert multiple timestamps at once with bulk mode. Live clock shows the current Unix timestamp. No data leaves your browser — 100% client-side tool for developers.

Git Commit Message Generator — Free Conventional Commits Tool

Free, private, serverless git commit message generator. Create conventional commit messages from descriptions or diffs — 100% client-side.

HTML Formatter & Minifier — Bulk

Free, private, serverless HTML formatter and minifier with bulk support. Beautify messy HTML with custom indentation or minify it for production. Supports 2-space, 4-space, and tab indentation, tag counting, size comparison, and batch processing. Ideal for web developers and designers. No data leaves your browser — 100% client-side.

JSON Formatter

Free, private, serverless JSON formatter. Format, validate, and beautify JSON data. No data leaves your browser.

JSON Schema Validator

Free, private, serverless JSON schema validator. Validate JSON data against JSON Schema Draft-07. Supports type checking, required fields, string/number constraints, enum, const, nested objects, arrays, pattern matching, and format validation (email, URI). Detailed error paths. No data leaves your browser — 100% client-side.

JWT Decoder & Inspector

Free, private, serverless JWT decoder and inspector. Decode JSON Web Tokens instantly to view the header, payload claims, and signature. Displays algorithm, expiration status, issued-at timestamps, and known claim descriptions. Checks if the token is expired. No data leaves your browser — 100% client-side JWT analysis for developers.

JavaScript Minifier & Beautifier — Bulk

Free, private, serverless JavaScript minifier and beautifier with bulk support. Minify JS code by removing whitespace, comments, and console.log statements, or beautify minified code for readability. View size reduction stats. Process entire scripts at once. No data leaves your browser — 100% client-side.

Markdown Table Generator — Free Online Visual Table Editor

Free, private, serverless online Markdown table generator with visual editor. Create, align, and copy tables — import CSV, TSV, or paste data. 100% client-side.

Regex Generator — Build & Test Regular Expressions

Free, private, serverless regex generator. Build, test, and debug regular expressions with live matching — 100% client-side, no data leaves your browser.

Regex Tester

Free, private, serverless regex tester. Test regular expressions with live matching and highlighting. No data leaves your browser.

SQL Formatter & Minifier — Bulk

Free, private, serverless SQL formatter and minifier with bulk support. Beautify messy SQL queries with custom indentation and keyword casing, or minify for production. Supports SELECT, JOIN, WHERE, GROUP BY, and all standard SQL syntax. Process multiple statements at once. No data leaves your browser — 100% client-side.

Subnet Calculator — Free CIDR/IP Networking Tool

Free subnet calculator. Enter IP and CIDR to get network, broadcast, host range, subnet mask, wildcard, IP class. 100% client-side. 100% serverless.

Text Shadow Generator — CSS Text Shadow Tool

Free, private, serverless CSS text shadow generator. Create and customize text shadow effects with live preview — copy CSS code instantly. 100% client-side.

Timestamp Converter

Free, private, serverless Unix timestamp converter. Convert between Unix timestamps and human-readable dates bidirectionally. Live current time display, relative time, bulk conversion, seconds/milliseconds toggle. No data leaves your browser — 100% client-side.

URL Encoder / Decoder

Free, private, serverless URL encoder and decoder. Encode and decode URLs instantly. No data leaves your browser.

UUID Generator — Bulk

Free, private, serverless UUID generator with bulk support. Generate UUID v4 (random), UUID v1-like (time-based), Nano ID, and Short IDs in batches up to 1000. Options for uppercase formatting and removing hyphens. Copy individual or all UUIDs, download as .txt file. Uses cryptographically secure randomness (crypto.getRandomValues). No data leaves your browser — 100% client-side generation for developers.

XML Formatter & Minifier — Bulk

Free, private, serverless XML formatter and minifier. Beautify or minify XML code with configurable indentation. Tag counting and size comparison stats. No data leaves your browser — 100% client-side.

XML to JSON Converter

Free, private, serverless XML to JSON converter. Parse XML documents including attributes, nested elements, auto-detect types (numbers, booleans). Options to include/exclude attributes and trim whitespace. No data leaves your browser — 100% client-side.

Age Calculator — Years, Months & Days

Free age calculator. Calculate exact age in years, months, days, total hours. Zodiac sign, day of week born, days until next birthday — 100% client-side. 100% serverless.

Amortization Calculator — Free Loan Schedule Tool

Free amortization calculator with full payment schedule, principal vs interest chart, and CSV export. Calculate monthly payments for any loan — 100% client-side. 100% serverless.

Aspect Ratio Calculator — Visual

Free, private, serverless aspect ratio calculator with visual preview. Calculate aspect ratios from pixel dimensions, use common presets (16:9, 4:3, 1:1, 9:16), resize with locked ratio, and view pixel count and megapixel stats. With visual proportion preview. No data leaves your browser — 100% client-side.

Chart Maker — Bar, Line, Pie & More

Free, private, serverless chart maker. Create bar, line, pie, doughnut, radar, and polar charts in seconds. 6 color themes, PNG/SVG export, and copy to clipboard. 100% runs in your browser.

Circle Calculator — Area, Circumference, Arc & Sector

Free circle calculator for area, circumference, diameter, arc length, and sector area — 100% client-side. 100% serverless.

Compound Interest Calculator — Free Investment Growth Tool

Free compound interest calculator with monthly contributions, chart, and year-by-year breakdown. 5 compounding frequencies. 100% client-side. 100% serverless.

Date Add/Subtract Calculator — Add Days, Weeks, Months

Free date calculator. Add or subtract days, weeks, months, or years from any date — 100% client-side. 100% serverless.

Date Difference Calculator — Free Days Between Dates Tool

Free date difference calculator. Find days, weeks, months, years, hours, and business days between any two dates. Add/subtract days from a date. 100% serverless.

Discount Calculator

Free, private, serverless discount calculator. Calculate sale prices with any discount percentage. Supports multiple currencies (USD, EUR, GBP, JPY, INR, AED, SAR). Bulk discount comparison table to see savings at different percentages. No data leaves your browser — 100% client-side.

Electricity Cost Calculator — Free kWh Energy Bill Tool

Free electricity cost calculator. Add devices with wattage and usage hours to estimate daily, monthly, yearly costs and CO₂ emissions. 100% client-side. 100% serverless.

Equation Solver — Free Linear, Quadratic & Cubic Solver

Free equation solver for linear, quadratic, and cubic equations. Find real and complex roots with discriminant analysis — 100% client-side. 100% serverless.

Excel Formula Helper — VLOOKUP, SUMIFS, INDEX-MATCH & 30+ Formulas

Free, private, serverless Excel formula helper. Search 30+ formulas with syntax, examples, and tips: VLOOKUP, XLOOKUP, INDEX-MATCH, SUMIFS, COUNTIFS, IFS, IF, PMT, DATEDIF, TEXTJOIN, and more. Copy formulas instantly with one click. Runs 100% in your browser — no data leaves your device.

Exponent Calculator — Power & Root Calculator

Free exponent calculator. Calculate xⁿ, x², x³, √x, 1/x, and log(x) — 100% client-side. 100% serverless.

Factorial Calculator — Free n! Calculator with BigInt

Free factorial calculator supporting n! up to 1000!, double factorial n!!, subfactorial !n, and trailing zeros — 100% client-side. 100% serverless.

Fibonacci Sequence Generator — Free BigInt Calculator

Free Fibonacci sequence generator with BigInt precision up to 500 terms. See golden ratio convergence — 100% client-side. 100% serverless.

Fraction Calculator — Free Add, Subtract, Multiply, Divide

Free fraction calculator. Add, subtract, multiply, divide fractions with auto-simplification and mixed number display. 100% client-side. 100% serverless.

GCD & LCM Calculator — Greatest Common Divisor & Least Common Multiple

Free GCD and LCM calculator with Euclidean algorithm steps. Calculate for multiple numbers at once — 100% client-side. 100% serverless.

Leap Year Checker — Is It a Leap Year?

Free leap year checker. Find out if any year is a leap year, with next/previous leap years — 100% client-side. 100% serverless.

Loan/EMI Calculator

Free, private, serverless loan and EMI calculator. Calculate monthly payments, total interest, and total payment for any loan. Visual principal vs interest chart. Full amortization schedule with monthly breakdown. Supports multiple currencies (USD, EUR, GBP, JPY, INR, AED). No data leaves your browser — 100% client-side.

Logarithm Calculator — Free Log Calculator Any Base

Free logarithm calculator with custom base, natural log (ln), log₁₀, and log₂ — 100% client-side. 100% serverless.

Matrix Calculator — Free Online Matrix Operations

Free matrix calculator supporting 2×2 and 3×3 operations: addition, subtraction, multiplication, determinant, inverse, and transpose — 100% client-side. 100% serverless.

Ohm's Law Calculator — Free V/I/R/P Electrical Tool

Free Ohm's Law calculator. Enter any 2 of Voltage, Current, Resistance, Power to calculate the other 2. 100% client-side. 100% serverless.

Paint Calculator — Free Wall Area & Gallons Estimator

Free paint calculator. Add rooms with dimensions, doors, windows to estimate wall area, gallons needed, and cost. 100% client-side. 100% serverless.

Percentage Calculator

Free, private, serverless percentage calculator with 5 modes: X% of Y, X is what % of Y, percentage change, increase/decrease by %, and tip calculator. Real-time results as you type. 100% client-side — no data leaves your browser.

Permutation & Combination Calculator — Free nPr nCr Tool

Free permutation and combination calculator. Calculate P(n,r), C(n,r), with repetition, and factorial. Supports large numbers. 100% client-side. 100% serverless.

Prime Number Checker — Free Primality & Factorization Tool

Free prime number checker with primality test, range finder, and prime factorization — 100% client-side. 100% serverless.

Probability Calculator — Free Odds & Chance Tool

Free probability calculator. Calculate single event probability, multiple events (AND/OR), coin flips, dice rolls. 100% client-side. 100% serverless.

Pythagorean Theorem Calculator — a² + b² = c²

Free Pythagorean theorem calculator. Find missing sides, area, perimeter, and angles — 100% client-side. 100% serverless.

Quadratic Formula Calculator — Solve ax² + bx + c = 0

Free quadratic formula calculator. Find roots, discriminant, and vertex of any quadratic equation — 100% client-side. 100% serverless.

Scientific Calculator — Trig, Log & More

Free scientific calculator. Trigonometry (sin/cos/tan), logarithms, square root, powers, π, e, DEG/RAD — 100% client-side with keyboard support. 100% serverless.

Square Root Calculator — Nth Root & Bulk Root Finder

Free, private, serverless square root calculator with bulk support. Calculate √x, ∛x, nth roots, perfect number checks, and advanced math — 100% client-side.

Standard Deviation Calculator — Free Statistics Tool

Free standard deviation calculator with mean, median, mode, variance, and population/sample std dev — 100% client-side. 100% serverless.

Statistics Calculator

Free, private, serverless statistics calculator. Compute mean, median, mode, variance, standard deviation, quartiles, percentiles, skewness, kurtosis, geometric mean, harmonic mean, and coefficient of variation. Paste your data set and get instant results with grouped descriptive statistics — no data leaves your browser.

Triangle Calculator — Sides, Angles, Area & Perimeter

Free triangle calculator to find sides, angles, area, and perimeter using SSS and SAS. Classifies triangle type — 100% client-side. 100% serverless.

AAC to MP3 Converter — Bulk

Free, private, serverless AAC to MP3 converter. Convert AAC files to MP3 format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

AVI to GIF Converter — Bulk

Free, private, serverless AVI to GIF converter. Convert AVI files to GIF format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

AVI to MP3 Converter — Bulk

Free, private, serverless AVI to MP3 converter. Convert AVI files to MP3 format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

AVI to MP4 Converter — Bulk

Free, private, serverless AVI to MP4 converter. Convert AVI files to MP4 format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

AVI to WebM Converter — Bulk

Free, private, serverless AVI to WebM converter. Convert AVI files to WebM format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

Angle Converter — Free Degrees Radians Gradians Tool

Free, private, serverless angle converter. Convert between degrees, radians, gradians, arcminutes, arcseconds, turns — 100% client-side.

Area Converter — Free Square Meter Feet Acre Hectare Tool

Free, private, serverless area converter. Convert between square meters, feet, acres, hectares, square miles, and more — 100% client-side.

Binary to Text Converter — Free Binary Hex Octal Tool

Free, private, serverless binary to text converter. Convert text to binary, hexadecimal, octal, and decimal — 100% client-side.

Braille Translator — Free Text to Braille Converter

Free, private Braille translator. Convert text to Braille (Grade 1) and back — Unicode output, download, bulk input. 100% client-side. 100% serverless.

CSV to JSON Converter

Free, private, serverless CSV to JSON converter. Parse CSV files with configurable delimiters (comma, tab, semicolon, pipe), quoted field support, and optional header row. Trim whitespace, copy or download JSON output. RFC 4180 compliant parsing. 100% client-side — no data leaves your browser.

CSV to XML Converter — Free Bulk CSV to XML Tool

Free, private, serverless CSV to XML converter with bulk support. Convert CSV data to well-formed XML with custom tags and auto-delimiter detection — 100% client-side.

Color Format Converter — Batch

Free, private, serverless color format converter with batch support. Convert colors between HEX, RGB, HSL, and CMYK formats. Includes a visual color picker, live swatch preview, batch conversion of multiple colors, and instant format switching. Perfect for designers and developers. No data leaves your browser — 100% client-side.

Cooking Measurement Converter — Kitchen Unit Converter

Free cooking converter. Convert between cups, tablespoons, teaspoons, milliliters, ounces, grams and more — 100% client-side. 100% serverless.

Coordinate Converter — Free DMS Decimal GPS Tool

Free, private coordinate converter. Convert GPS coordinates between decimal degrees and DMS — bulk mode, Google Maps links, CSV export. 100% serverless.

Data Size Converter — Free Bytes KB MB GB TB Calculator

Free, private, serverless data size converter. Convert between bits, bytes, KB, MB, GB, TB, PB with binary (IEC) and decimal (SI) standards — 100% client-side.

Data Transfer Rate Converter — Free Mbps KB/s Gbps Tool

Free, private data transfer rate converter. Convert between Mbps, MB/s, Gbps, KB/s, MiB/s — 100% client-side with transfer time calculator. 100% serverless.

Density Converter — Free kg/m³ g/cm³ lb/ft³ Tool

Free, private, serverless density converter. Convert between kg/m³, g/cm³, g/mL, lb/ft³, lb/in³ — 100% client-side.

Electric Current Converter — Free Ampere mA μA Tool

Free, private electric current converter. Convert between ampere, milliampere, microampere, kiloampere — 100% client-side. 100% serverless.

Energy Converter — Free Joules kWh Calories BTU Tool

Free, private, serverless energy converter. Convert between joules, kilowatt-hours, calories, BTU, electronvolts — 100% client-side.

FLAC to MP3 Converter — Bulk

Free, private, serverless FLAC to MP3 converter. Convert FLAC files to MP3 format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

FLV to MP3 Converter — Bulk

Free, private, serverless FLV to MP3 converter. Convert FLV files to MP3 format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

FLV to MP4 Converter — Bulk

Free, private, serverless FLV to MP4 converter. Convert FLV files to MP4 format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

Force Converter — Free Newton lbf kgf Dyne Tool

Free, private, serverless force converter. Convert between Newton, pound-force, kilogram-force, dyne, kip — 100% client-side.

Frequency Converter — Free Hz kHz MHz GHz RPM Tool

Free, private, serverless frequency converter. Convert between Hz, kHz, MHz, GHz, THz, RPM, rad/s — 100% client-side.

Fuel Consumption Converter — Free MPG L/100km km/L Tool

Free, private, serverless fuel consumption converter. Convert between MPG, L/100km, km/L, and more — 100% client-side.

HEIC to PNG Converter — Bulk

Free, private, serverless HEIC to PNG converter with bulk support. Convert iPhone HEIC/HEIF photos to PNG format instantly — process multiple files at once, 100% client-side.

HTML to Markdown Converter — Smart

Free, private, serverless HTML to Markdown converter. Convert HTML code to clean Markdown syntax. Supports headers, links, images, lists, tables, code blocks. No data leaves your browser — 100% client-side.

ICO Converter — Free Favicon ICO Generator Tool

Free, private ICO converter. Generate multi-size .ico favicon files from PNG/JPG — 100% in your browser. 100% serverless.

Image to Base64

Free, private, serverless image to Base64 converter. Convert images to Base64 strings instantly. No data leaves your browser.

JSON to CSV Converter — Bulk Support

Free, private, serverless JSON to CSV converter with bulk support. Convert single JSON objects, arrays, or paste multiple JSON lines (NDJSON) to CSV instantly. Choose custom delimiters (comma, semicolon, tab, pipe), toggle headers, and flatten nested objects. Download as .csv or copy to clipboard. No data leaves your browser — 100% client-side conversion for developers, analysts, and data teams.

JSON to XML Converter — Free Bulk JSON to XML Tool

Free, private, serverless JSON to XML converter with bulk support. Convert JSON data to well-formed XML with custom tags, indentation, and CDATA — 100% client-side.

JSON to YAML Converter — Free Bulk JSON to YAML Tool

Free, private, serverless JSON to YAML converter with bulk support. Convert JSON files to YAML format with smart quoting, key sorting, and custom indentation — 100% client-side.

Length Converter — Free Distance Unit Converter Online

Free, private, serverless length converter. Convert between millimeters, centimeters, meters, kilometers, inches, feet, yards, miles, and nautical miles — 100% client-side.

MKV to AVI Converter — Bulk

Free, private, serverless MKV to AVI converter. Convert MKV files to AVI format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MKV to GIF Converter — Bulk

Free, private, serverless MKV to GIF converter. Convert MKV files to GIF format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MKV to MP3 Converter — Bulk

Free, private, serverless MKV to MP3 converter. Convert MKV files to MP3 format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MKV to MP4 Converter — Bulk

Free, private, serverless MKV to MP4 converter. Convert MKV files to MP4 format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MKV to WebM Converter — Bulk

Free, private, serverless MKV to WebM converter. Convert MKV files to WebM format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MOV to AVI Converter — Bulk

Free, private, serverless MOV to AVI converter. Convert MOV files to AVI format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MOV to GIF Converter — Bulk

Free, private, serverless MOV to GIF converter. Convert MOV files to GIF format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MOV to MP3 Converter — Bulk

Free, private, serverless MOV to MP3 converter. Convert MOV files to MP3 format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MOV to MP4 Converter — Bulk

Free, private, serverless MOV to MP4 converter. Convert MOV files to MP4 format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MOV to WebM Converter — Bulk

Free, private, serverless MOV to WebM converter. Convert MOV files to WebM format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MP3 to OGG Converter — Bulk

Free, private, serverless MP3 to OGG converter. Convert MP3 files to OGG format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MP3 to WAV Converter — Bulk

Free, private, serverless MP3 to WAV converter. Convert MP3 files to WAV format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MP4 to AVI Converter — Bulk

Free, private, serverless MP4 to AVI converter. Convert MP4 files to AVI format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MP4 to GIF Converter — Bulk

Free, private, serverless MP4 to GIF converter. Convert MP4 files to GIF format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MP4 to MKV Converter — Bulk

Free, private, serverless MP4 to MKV converter. Convert MP4 files to MKV format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MP4 to MOV Converter — Bulk

Free, private, serverless MP4 to MOV converter. Convert MP4 files to MOV format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MP4 to MP3 Converter — Bulk

Free, private, serverless MP4 to MP3 converter. Convert MP4 files to MP3 format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MP4 to WAV Converter — Bulk

Free, private, serverless MP4 to WAV converter. Convert MP4 files to WAV format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

MP4 to WebM Converter — Bulk

Free, private, serverless MP4 to WebM converter. Convert MP4 files to WebM format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

Markdown to HTML Converter — Live Preview

Free, private, serverless Markdown to HTML converter with live preview. Supports headings, bold, italic, links, images, code blocks, lists, blockquotes, and tables. No data leaves your browser — 100% client-side.

Measurement Converter — 8 Categories, 50+ Units

Free measurement converter. Convert length, weight, temperature, volume, area, speed, time, data — 50+ units. Real-time results — 100% client-side. 100% serverless.

Morse Code Translator — Free Text to Morse Converter

Free, private, serverless Morse code translator. Convert text to Morse code and back with audio playback — 100% client-side.

Number Base Converter

Free, private, serverless number base converter. Convert between binary, octal, decimal, hexadecimal, and custom bases (2-36) instantly. Supports bulk conversion, shows bit and byte counts. 100% client-side — no data leaves your browser.

OGG to MP3 Converter — Bulk

Free, private, serverless OGG to MP3 converter. Convert OGG files to MP3 format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

PDF Image Converter — Free Images to PDF & PDF to Images Tool

Free, private, serverless PDF image converter. Convert images to PDF or PDF to images — 100% client-side, no upload.

PDF to Word Converter — Bulk

Free, private, serverless PDF to Word converter with AI-enhanced layout analysis. Convert multiple PDFs to editable DOCX files with preserved headings, bold, italic, and paragraph structure. Bulk processing supported — 100% client-side, no data leaves your browser.

PNG to WebP Converter — Free Bulk Image Compression Tool

Free, private PNG/JPG to WebP converter. Bulk compress images with quality control — 100% in your browser, no upload. 100% serverless.

Power Converter — Free Watts HP kW BTU Tool

Free, private, serverless power converter. Convert between watts, kilowatts, horsepower, BTU/h, and more — 100% client-side.

Pressure Converter — Free PSI Bar ATM Pascal Tool

Free, private, serverless pressure converter. Convert between PSI, bar, atm, Pascal, mmHg, and more — 100% client-side.

Roman Numeral Converter — Free Roman Numbers Tool

Free, private, serverless Roman numeral converter. Convert numbers to Roman numerals and back with validation — 100% client-side.

SVG to PNG Converter — Free Bulk SVG Export Tool

Free, private SVG to PNG converter. Bulk convert SVGs with custom scale, background color — 100% in your browser. 100% serverless.

Speed Converter — Free Velocity Unit Converter Online

Free, private, serverless speed converter. Convert between km/h, mph, m/s, knots, Mach, and speed of light — 100% client-side.

TIFF to PNG Converter — Free Bulk TIF Image Tool

Free, private TIFF to PNG converter. Bulk convert TIFF/TIF images to PNG format — 100% in your browser, no upload. 100% serverless.

Temperature Converter — Free Celsius Fahrenheit Kelvin Tool

Free, private, serverless temperature converter. Convert between Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur with formula display — 100% client-side.

Text to Hex Converter

Free, private, serverless discount calculator. Calculate sale prices with any discount percentage. Supports multiple currencies (USD, EUR, GBP, JPY, INR, AED, SAR). Bulk discount comparison table to see savings at different percentages. No data leaves your browser — 100% client-side.

Time Converter — Free Seconds Minutes Hours Days Tool

Free, private time converter. Convert between nanoseconds, milliseconds, seconds, minutes, hours, days, weeks, years — 100% client-side. 100% serverless.

Torque Converter — Free N·m ft·lbf kgf·m Tool

Free, private, serverless torque converter. Convert between N·m, ft·lbf, kgf·m, in·lbf, and more — 100% client-side.

Unit Converter — All Categories

Free, private, serverless unit converter covering 8 categories: Length, Weight, Temperature, Area, Volume, Speed, Data, and Time. Convert between hundreds of unit pairs instantly. Includes swap, all-conversions view, and real-time updates. No data leaves your browser — 100% client-side.

Voltage Converter — Free Volts mV kV Tool

Free, private voltage converter. Convert between volts, millivolts, kilovolts, megavolts, statvolt — 100% client-side. 100% serverless.

Volume Converter — Free Liters Gallons Cups Converter Tool

Free, private, serverless volume converter. Convert between liters, gallons, cups, pints, fluid ounces, tablespoons, and cubic meters — 100% client-side.

WAV to MP3 Converter — Bulk

Free, private, serverless WAV to MP3 converter. Convert WAV files to MP3 format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

WAV to OGG Converter — Bulk

Free, private, serverless WAV to OGG converter. Convert WAV files to OGG format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

WebM to AVI Converter — Bulk

Free, private, serverless WebM to AVI converter. Convert WebM files to AVI format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

WebM to GIF Converter — Bulk

Free, private, serverless WebM to GIF converter. Convert WebM files to GIF format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

WebM to MP3 Converter — Bulk

Free, private, serverless WebM to MP3 converter. Convert WebM files to MP3 format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

WebM to MP4 Converter — Bulk

Free, private, serverless WebM to MP4 converter. Convert WebM files to MP4 format online with bulk support for up to 20 files. Adjustable quality settings, drag-and-drop interface, ZIP download. 100% client-side — no data leaves your browser.

WebP to PNG Converter — Free Bulk Image Conversion Tool

Free, private WebP to PNG converter. Bulk convert WebP images to PNG format — 100% in your browser, no upload required. 100% serverless.

Weight Converter — Free Mass Unit Converter Online

Free, private, serverless weight converter. Convert between milligrams, grams, kilograms, ounces, pounds, stones, and tons — 100% client-side.

XML to CSV Converter — Free Online Bulk XML Parser

Free, private, serverless XML to CSV converter with bulk support. Parse XML files, flatten nested elements, and export as CSV — 100% client-side.

YAML to JSON Converter — Free Bulk YAML Parser Online

Free, private, serverless YAML to JSON converter with bulk support. Parse YAML files and convert to JSON with configurable formatting — 100% client-side.

API Key Generator — Secure Random Keys Free

Free, private, serverless API key generator. Create cryptographically secure API keys, tokens, and secrets — 100% client-side, no data leaves your browser.

Bcrypt Generator — Hash & Verify Passwords Free

Free, private, serverless bcrypt hash generator. Hash and verify passwords with configurable salt rounds — 100% client-side.

Encryption & Decryption Tool — Multi-Algorithm

Free, private, serverless encryption and decryption tool. Encrypt/decrypt text with AES-GCM 256-bit encryption, Base64, ROT13, and XOR cipher. Password-based key derivation (PBKDF2). No data leaves your browser — 100% client-side using Web Crypto API.

Hash Generator

Free, private, serverless hash generator. Generate SHA-256, SHA-1, SHA-384, SHA-512, and MD5 hashes. No data leaves your browser.

Password Generator

Free, private, serverless password generator. Generate strong, random passwords with custom rules. No data leaves your browser.

Password Strength Checker — Security Analyzer

Free, private password strength checker. Analyze entropy, crack time, and security score. Detects common passwords, repeated/sequential characters — 100% client-side, password never leaves your device.

Zero-Trust Document Redactor — AI Privacy Shield

Free AI-powered document redactor that automatically detects and blacks out sensitive information — names, phone numbers, emails, financial amounts, ID numbers — from text, PDF files, and images. Supports bulk PDF and image processing with ZIP download. Export CSV redaction reports. Uses advanced NER AI models running 100% in your browser. Your files never leave your device. Perfect for lawyers, HR professionals, and anyone who needs to share documents safely. No signup, no uploads to servers, no data storage.

Meta Tag Generator — SEO

Free, private, serverless meta tag generator for SEO. Generate HTML meta tags including title, description, keywords, Open Graph, Twitter Card, viewport, robots, and canonical URL. Real-time SEO tips and character count validation. Copy ready-to-use HTML snippets. No data leaves your browser — 100% client-side.

Open Graph Preview — Social

Free, private, serverless Open Graph preview tool. Preview how your links appear when shared on Facebook, Twitter, and LinkedIn. Enter any URL or fill in OG tags manually to see live Facebook card and Twitter card previews. Generate ready-to-use HTML meta tags. No data leaves your browser — 100% client-side.

Privacy Policy Generator

Free, private, serverless privacy policy generator. Generate comprehensive privacy policies with GDPR, CCPA, and COPPA compliance. Customize data collection practices — cookies, analytics, personal data, payment info, location data, third-party sharing. Download as HTML. No data leaves your browser — 100% client-side.

Sitemap XML Generator — SEO

Free, private, serverless sitemap XML generator for SEO. Create valid sitemap.xml files with URLs, change frequency, priority, and last modified date. Download or copy ready-to-use XML. No data leaves your browser — 100% client-side.

robots.txt Generator

Free, private, serverless robots.txt generator. Visual rule builder for web crawlers. Add user agents, disallow/allow paths with a friendly UI. Includes presets for Googlebot, GPTBot, ChatGPT-User, AdsBot, and CCBot. Optional sitemap and host fields. Download or copy the result. No data leaves your browser — 100% client-side.

AI Audio Enhancer — Boost Clarity, Normalize & EQ

Free AI audio enhancer: boost clarity, normalize volume, and equalize sound using GTCRN neural network + DSP. Dual engine with 4 presets and 10-band EQ. Process multiple files at once — 100% client-side, private. No uploads. 100% serverless.

AI Audio Noise remover — Bulk

Free AI-powered audio noise remover. Remove background noise from recordings, podcasts, and videos using RNNoise neural network. Process multiple files at once — 100% client-side, private. No uploads needed. 100% serverless.

AI Vocal Remover — Free Bulk Stem Splitter (Local, No Signup)

Free AI vocal remover that runs 100% locally in your browser — no signup, no upload, no server. Bulk separate vocals and instrumentals from songs and videos using real ONNX AI models. Remove vocals from MP3, WAV, FLAC, OGG, and MP4 video files. Download individual stems or ZIP all. Studio-quality output, completely private. Perfect for karaoke, music production, remixes, and DJs. No account, no limits, no cost.

AI Voice Changer — Pitch, Effects & Gender Swap

Free AI voice changer: transform your voice with 8 presets (Robot, Alien, Demon, Chipmunk, Deep, Radio, Ghost, Echo), gender swap, pitch shifting, reverb, echo and distortion. GTCRN AI + DSP dual engine. Batch processing — 100% client-side, private. 100% serverless.

Audio Trimmer — Cut & Export Audio

Free, private, serverless audio trimmer. Cut audio files with waveform visualization, adjustable start/end points, and play selection preview. Export trimmed audio as WAV — 100% client-side, no upload required.

Audio Visualizer — Real-Time Sound Visualization

Free, private, serverless audio visualizer with 5 modes: bars, waveform, circular, particles, spectrum. Use microphone or audio files — 100% client-side, no data uploaded.

Audio Waveform Generator — Free Online Waveform Image Maker

Free, private, serverless audio waveform generator. Create waveform images from MP3, WAV, OGG files with custom colors and styles — 100% client-side.

Retro Game Sound Generator — Free Online 8-Bit SFX Maker

Free, private, serverless retro game sound generator. Create 8-bit chiptune SFX with oscillators, 16 presets, and WAV export — 100% client-side.

AI Video Face Redactor — Local Bulk Face Blur

Free local AI video face redactor with bulk processing. Automatically detect and blur faces in multiple videos at once. Batch queue with ZIP download, ultra-high sensitivity, blur expansion control, 3-second preview — 100% client-side, no uploads. 100% serverless.

Video Converter — Bulk

Free, private, serverless video converter with bulk support. Convert MP4, WebM, AVI, MOV, MKV, and more between formats. Process multiple videos at once with adjustable quality — 100% client-side, no uploads.

Twitter/X Character Counter — Tweet Analyzer

Free Twitter/X character counter. Count characters, detect hashtags, mentions, URLs, track 280-char limit with visual progress — 100% client-side. 100% serverless.

WhatsApp Status Video Maker — Text & Voiceover

Free, private, serverless WhatsApp status video maker. Create short videos with animated text, gradient backgrounds, and browser text-to-speech voiceover. Multiple slides, 6 animations, custom fonts — 100% client-side, no uploads.

Bill Splitter — Free Tip & Tax Calculator

Free bill splitter calculator. Split restaurant bills with tip presets, tax, and per-person breakdown. 100% client-side. 100% serverless.

Break-Even Calculator — Free Business Analysis Tool

Free break-even calculator with contribution margin analysis and profit/loss checker. Find how many units you need to sell — 100% client-side. 100% serverless.

Currency Exchange Calculator — Free Converter Tool

Free currency exchange calculator with 16+ currencies, fee calculation, and swap. Convert between USD, EUR, GBP, JPY, and more — 100% client-side. 100% serverless.

Depreciation Calculator — Free Asset Depreciation Tool

Free, private, serverless depreciation calculator supporting Straight-Line, Declining Balance, Sum-of-Years-Digits, and MACRS methods. Generate full depreciation schedules with charts and CSV export — 100% client-side.

Fuel Cost Calculator — Free Trip Gas Cost Estimator

Free fuel cost calculator. Estimate gas cost for any trip with distance, consumption rate, fuel price. Supports km/miles. 100% client-side. 100% serverless.

Inflation Calculator — Free Purchasing Power Tool

Free inflation calculator showing how purchasing power changes over time. Compare values across years with customizable inflation rate — 100% client-side. 100% serverless.

Markup Calculator — Free Markup & Margin Tool

Free markup and margin calculator. Convert cost to price, calculate profit margins, and compare markup vs margin — 100% client-side. 100% serverless.

Mortgage Calculator — Free Home Loan Payment Tool

Free mortgage calculator with amortization schedule, property tax, insurance. Calculate monthly payments — 100% client-side. 100% serverless.

Profit Margin Calculator — Revenue & Markup

Free profit margin calculator. Calculate gross profit, margin %, markup %, net profit from cost, price, quantity, and expenses — 100% client-side. 100% serverless.

ROI Calculator — Return on Investment

Free ROI calculator. Calculate return on investment, annualized ROI, and profit/loss from investment and return amounts — 100% client-side. 100% serverless.

Retirement Calculator — Free Savings Projector

Free retirement calculator with savings projection, 4% rule income, inflation adjustment, and growth chart. Plan your 401k/IRA — 100% client-side. 100% serverless.

Salary Calculator — Free Paycheck Estimator

Free salary calculator with tax breakdown, gross-to-net conversion, and multiple pay frequencies. Estimate your take-home pay — 100% client-side. 100% serverless.

Savings Goal Calculator — Free Monthly Savings Planner

Free savings goal calculator. Find how long to reach your savings target with monthly contributions and interest. 100% client-side. 100% serverless.

Tax Calculator — Free Income Tax Estimator

Free federal income tax calculator with 2024 US brackets, bracket breakdown, and filing status options. Estimate your tax liability — 100% client-side. 100% serverless.

Tip Calculator — Bill Splitter

Free tip calculator. Calculate tip amount, total, and per-person split. Quick presets for 10-25%, slider control — 100% client-side. 100% serverless.

GPA Calculator — Free Grade Point Average Tool

Free GPA calculator. Add courses with credits and grades (A+ to F) to calculate your grade point average. 100% client-side. 100% serverless.

ASCII Art Generator — Free Online Image to ASCII Converter

Free, private, serverless online ASCII art generator. Convert images to ASCII art or create big text. 4 character sets, colored mode, export — 100% client-side.

Avatar Generator — Create Unique Avatars Free

Free, private, serverless avatar generator. Create geometric, pixel, initials, or gradient avatars — download as PNG. 100% client-side, no data leaves your browser.

Background Pattern Generator — Free Online CSS Pattern Maker

Free, private, serverless online background pattern generator with 16 seamless SVG patterns. Custom colors, live preview, copy CSS/SVG code — 100% client-side.

Business Card Maker — Free Online Card Designer with Templates

Free, private, serverless business card maker with 8 professional templates. Design, customize, and export cards as PNG or PDF — 100% in your browser.

CSS Gradient Generator — Visual Builder

Free, private, serverless CSS gradient generator. Build linear, radial, and conic gradients with a visual editor. 8 curated presets, color stops, live preview — copy CSS code instantly. 100% client-side.

Color Blindness Simulator — Free Online Color Vision Test Tool

Free, private, serverless color blindness simulator. Preview images with 8 types of color vision deficiency. Scientifically accurate — 100% client-side.

Color Scheme Generator — Palette Creator

Free, private, serverless color scheme generator. Create harmonious palettes using complementary, analogous, triadic, split-complementary, tetradic & monochromatic harmonies. Export to CSS, SCSS, JSON, PNG — 100% client-side.

Font Pairing Generator — Free Online Typography Tool

Free, private, serverless online font pairing generator with 40+ Google Fonts and 32 curated pairings. Live preview, copy CSS code — 100% client-side.

Glitch Art Generator — Free Online Image Glitch Effect Tool

Free, private, serverless online glitch art generator with 10 effects and 6 presets. Create pixel sort, RGB split, and VHS effects — 100% client-side.

Meme Generator — Create Custom Memes Instantly

Free, private, serverless meme generator. Upload images or use templates, add Impact text with outlines and shadows, download as PNG — 100% client-side, no uploads.

Pixel Art Editor — Free Online Sprite Creator

Free, private, serverless pixel art editor with drawing tools, color palettes, mirror mode, and export to PNG. Create sprites, icons, and retro game art — 100% client-side.

Random Color Generator — Palette Builder

Free random color generator with palette mode. Generate 1-10 colors, lock favorites, copy HEX/RGB/HSL, save palettes — 100% client-side. 100% serverless.

SVG Editor & Icon Maker — Free Online Vector Drawing Tool

Free, private, serverless SVG editor and icon maker. Draw vector shapes, style them, and export as SVG or PNG — 100% client-side.

SVG Wave Generator — Create Custom Wave Shapes

Free, private, serverless SVG wave generator. Create custom wave shapes with adjustable parameters — copy SVG code or download. 100% client-side.

Screenshot Beautifier — Free Online Screenshot Mockup Maker

Free, private, serverless online screenshot beautifier with device mockups and gradient backgrounds. Add frames, shadows, and export as PNG — 100% client-side.

Signature Generator — Free Online Signature Maker

Free, private, serverless online signature generator. Type or draw your signature with 16 handwriting fonts, custom colors. Export PNG and SVG — 100% client-side.

Typography Font Tester — Free Online Font Preview & Compare Tool

Free, private, serverless font tester. Preview and compare 70 Google Fonts with custom text, sizes, weights, and colors — 100% client-side.

Headline Analyzer — Score & Optimize Your Title

Free headline analyzer. Score your title for SEO, engagement, and readability. Detects power words, emotional words, headline type — 100% client-side. 100% serverless.

Fake Data Generator — Bulk Test Data

Free, private, serverless fake data generator with bulk support. Generate realistic names, emails, phones, addresses, UUIDs & 30+ data types. Export to CSV, JSON, or SQL — 100% client-side.

JSON Viewer — Interactive Tree Explorer

Free, private, serverless JSON viewer. Parse and explore JSON data with an interactive tree, search, collapse/expand, format/minify, copy path — 100% client-side, no data sent.

AI Posture Coach — Live Posture Monitor & Focus Timer

Free AI posture coach that monitors your sitting posture in real-time using your webcam. Get instant audio alerts when you slouch. Built-in Pomodoro focus timer. 100% private, serverless, no data uploaded.

Countdown Timer — Visual Timer with Presets

Free countdown timer with circular progress ring, 8 quick presets, audio alert, browser notifications — 100% client-side. 100% serverless.

Digital Whiteboard — Infinite Canvas Drawing Tool

Free, private, serverless digital whiteboard with infinite canvas. Draw, add shapes, text, sticky notes, and export as PNG or SVG — 100% client-side, no uploads.

Flashcard Maker — Excel, CSV & Text to Flashcards

Free, private, serverless flashcard maker. Convert Excel, CSV or text into interactive study flashcards with gamified modes, text-to-speech, and optional AI generation — 100% client-side.

Habit Tracker — Free Online Daily Habit Tracker with Streaks

Free, private, serverless habit tracker. Track daily habits with streaks, calendar heatmap, statistics, and export — 100% client-side.

Mind Map Maker — Visual Brainstorming & Idea Organizer

Free, private, serverless mind map maker. Create visual mind maps with radial and tree layouts, colors, collapse/expand, export PNG/SVG/JSON — 100% client-side.

PDF Editor — View, Annotate & Edit PDFs

Free, private, serverless PDF editor. Open, view, annotate, draw, highlight, sign, stamp, and edit PDF documents directly in your browser — 100% client-side, no uploads.

PDF Merger & Splitter — Free Online PDF Combine & Split Tool

Free, private, serverless PDF merger and splitter. Merge multiple PDFs or split by pages — 100% client-side, no upload.

Resume Builder — Free Online CV Creator with Templates

Free, private, serverless resume builder with 6 professional templates. Create, edit, and export your CV as PDF — 100% client-side, no data uploaded.

Stopwatch — Precision Timer with Laps

Free, private stopwatch with centisecond precision. Track laps with best/worst/average stats, color-coded results, copy lap data — 100% client-side, no data sent. 100% serverless.

Timezone Converter — Free Live & Custom UTC Date Time Conversion

Free online timezone converter. Convert between UTC, PST, EST, GMT and hundreds of timezones instantly in your browser. 100% private and secure. 100% serverless.

BMI Calculator — Body Mass Index

Free, private BMI calculator. Calculate your Body Mass Index with metric or imperial units. Visual BMI scale, category classification, healthy weight range — 100% client-side. 100% serverless.

Body Fat Calculator — Free US Navy Method Tool

Free body fat percentage calculator using the US Navy method. Enter height, waist, neck, hip measurements. Category classification included. 100% client-side. 100% serverless.

Calorie Calculator — Free TDEE & BMR Calculator

Free calorie calculator. Find your TDEE, BMR, and daily calories for weight loss, maintenance, or gain. Macro breakdown included. 100% client-side. 100% serverless.

Heart Rate Zone Calculator — Free Karvonen Training Zones

Free heart rate zone calculator using Karvonen method. Find your 5 training zones with max HR and resting HR. 100% client-side. 100% serverless.

Ideal Weight Calculator — Free Multiple Formula Tool

Free ideal weight calculator using 4 formulas (Devine, Robinson, Miller, Hamwi) with BMI-based healthy range. 100% client-side. 100% serverless.

Macro Calculator — Protein, Carbs & Fat Calculator

Free macro calculator. Calculate daily protein, carbs, and fat based on calories and goals — 100% client-side. 100% serverless.

Pace Calculator — Running & Cycling Speed Tool

Free pace calculator for running and cycling. Calculate pace, time, or distance with km/mi conversions — 100% client-side. 100% serverless.

Sleep Cycle Calculator — Optimal Sleep & Wake Times

Free sleep cycle calculator based on 90-minute cycles. Find the best bedtime or wake-up time — 100% client-side. 100% serverless.

Water Intake Calculator — Daily Hydration

Free water intake calculator. Calculate daily hydration based on weight, age, activity, and climate. Shows liters, glasses, fluid ounces — 100% client-side. 100% serverless.

Audio Merger / Joiner — Merge Audio Files Online Free

Free, private, serverless audio merger. Combine multiple audio files into one using Web Audio API — no upload, 100% client-side.

Audio Recorder — Record from Microphone Online Free

Free, private, serverless audio recorder. Record from microphone with real-time visualizer, pause/resume, download — 100% client-side, no upload.

Barcode Generator

Free, private, serverless barcode generator. Create Code 128 and Code 39 barcodes from any text or numbers. Bulk generation (one per line), adjustable bar width and height, text display toggle. Download individual or all barcodes as PNG. No data leaves your browser — 100% client-side.

CSS Glassmorphism Generator — Free Online Tool

Free, private, serverless CSS glassmorphism generator. Create frosted glass effects with live preview — 100% client-side.

Capacitor Charge Calculator — RC Time Constant & Energy

Free, private, serverless capacitor charge calculator. Calculate RC time constant, charge/discharge time, energy stored, voltage at any time — supports pF to F and Ω to MΩ — 100% client-side.

Certificate Generator — Free Online Certificate Maker

Free, private, serverless certificate generator. Create professional certificates with themes, custom fields, and PNG download — 100% client-side.

Clothing Size Converter — US, UK, EU & International Sizes

Free, private, serverless clothing size converter. Convert US, UK, EU sizes for men & women tops, pants, dresses — 100% client-side.

Color Contrast Checker (WCAG) — Free Online Tool

Free, private, serverless WCAG color contrast checker. Check AA and AAA compliance for text accessibility — 100% client-side.

Concrete Calculator — Volume & Bags Needed

Free concrete calculator for slabs and cylinders. Calculate volume in cubic yards/meters and bags needed — 100% client-side. 100% serverless.

Cookie Policy Generator — Free GDPR Compliant Template

Free, private, serverless cookie policy generator. Create GDPR-compliant cookie policies for your website — 100% client-side, no data leaves your browser.

Data Transfer Cost Calculator — Cloud Egress Pricing Estimator

Free, private, serverless data transfer cost calculator. Estimate cloud egress costs for AWS, GCP, Azure, Cloudflare, and more — 100% client-side.

Dice Roller — D4 to D100 with History

Free dice roller with D4, D6, D8, D10, D12, D20, D100 support. Multiple dice, modifiers, animated rolls, roll history — 100% client-side, cryptographic randomness. 100% serverless.

Disclaimer Generator — Free Legal Disclaimer Template

Free, private, serverless disclaimer generator. Create professional disclaimers for websites, blogs, and businesses — 100% client-side, no data leaves your browser.

EULA Generator — Free End User License Agreement

Free, private, serverless EULA generator. Create end user license agreements for software and apps — 100% client-side, no data leaves your browser.

Flooring Calculator — Room Area, Material & Cost Estimator

Free, private, serverless flooring calculator. Estimate room area, flooring materials, waste factor, box count, and total cost for hardwood, laminate, tile, vinyl, carpet, or bamboo — 100% client-side.

Grade Calculator — Weighted Average, GPA & Final Exam Grade

Free, private, serverless grade calculator. Calculate weighted averages, GPA, letter grades, and the score you need on your final exam — 100% client-side.

Gravel & Mulch Calculator — Volume, Weight & Cost Estimator

Free, private, serverless gravel and mulch calculator. Estimate material volume in cubic yards, weight in tons, bag count, truck loads, and cost for any landscaping area — 100% client-side.

Hashtag Generator — Generate Hashtags Online Free

Free, private, serverless hashtag generator. Create relevant hashtags from keywords for social media — 100% client-side.

IP Address Converter — IPv4 Binary, Hex, Octal & Subnet Calculator

Free, private, serverless IP address converter. Convert IPv4 to binary, hexadecimal, octal; calculate CIDR subnets, masks, and host ranges — 100% client-side.

Image Collage Maker — Create Photo Collages Online Free

Free, private, serverless photo collage maker. Upload 2-12 images, choose grid layouts, customize spacing and corners — 100% client-side.

Image Flip / Mirror / Rotate — Free Online Image Transformer

Free, private, serverless image flip, mirror, and rotate tool. Flip horizontal, vertical, rotate any angle, export PNG/JPG/WebP — 100% client-side.

Invoice Generator

Free, private, serverless invoice generator. Create professional PDF invoices instantly from your browser with customizable templates, company branding, and automatic calculations. Import CSV or Excel files to bulk-generate invoices as a single merged PDF or separate files in a ZIP archive. Save and export your company settings to avoid re-entering information. Supports logo upload, multiple tax rates, discounts, and notes. No data leaves your browser — 100% client-side invoice creation.

Keyboard Tester — Test Your Keyboard Online Free

Free, private, serverless keyboard tester. Press any key to test — shows key code, history, and count. 100% client-side.

LED Resistor Calculator — Find the Right Resistor for Your LED

Free, private, serverless LED resistor calculator. Calculate the correct resistor value, power rating, and color code for LED circuits — series and parallel — 100% client-side.

MAC Address Generator — Random, Vendor OUI & Multicast

Free, private, serverless MAC address generator. Create random or vendor-specific MAC addresses in multiple formats — 100% client-side, no data sent.

Microphone Test — Test Your Mic Online Free

Free, private, serverless microphone tester. Test mic with audio visualizer, level meter, and device selection — 100% client-side.

Motivational Quote Generator — Daily Inspiration Free

Free, private, serverless motivational quote generator. Get inspiring quotes by category with beautiful card designs — share or download PNG. 100% client-side.

Mouse Tester — Test Your Mouse Online Free

Free, private, serverless mouse tester. Test mouse buttons, scroll, and movement with visual feedback — 100% client-side.

Moving Cost Estimator — Calculate Your Moving Expenses

Free, private, serverless moving cost estimator. Calculate moving expenses based on home size, distance, labor, and services — local and long distance — 100% client-side.

NDA Generator — Free Non-Disclosure Agreement

Free, private, serverless NDA generator. Create mutual or one-way non-disclosure agreements with customizable terms — 100% client-side, no data leaves your browser.

PCB Trace Width Calculator — IPC-2221 Current Capacity & Resistance

Free, private, serverless PCB trace width calculator. Calculate minimum trace width per IPC-2221, resistance, voltage drop, and power loss — 100% client-side.

PDF Compressor — Compress PDF Files Online Free

Free, private, serverless PDF compressor. Reduce PDF file size in your browser using pdf-lib — no upload, 100% client-side.

PDF Password Protect / Unlock — Free Online Tool

Free, private, serverless PDF password tool. Protect PDFs with passwords or unlock them — 100% client-side, no upload.

PDF to Text — Extract Text from PDF Online Free

Free, private, serverless PDF to text extractor. Extract text from PDFs using pdf.js — no upload, 100% client-side.

Paper Size Reference — ISO A/B/C, US Letter & Custom Sizes

Free, private, serverless paper size reference. ISO A/B/C, US Letter/Legal sizes with mm, inches, and DPI pixel conversions — 100% client-side.

Pomodoro Timer

Free, private, serverless Pomodoro timer with animated ring progress. Customizable focus, short break, and long break durations. Session tracking, sound notifications, auto-start next session, and tab title updates. No data leaves your browser — 100% client-side.

Power Factor Calculator — Real, Reactive & Apparent Power

Free, private, serverless power factor calculator. Calculate real power (kW), reactive power (kVAR), apparent power (kVA), phase angle, and correction capacitor sizing — 100% client-side.

QR Code Generator

Free, private, serverless QR code generator. Create QR codes from text, URLs, or any data instantly. Customize colors and size. Download as PNG. No data leaves your browser.

Random Number Generator — Free Online Tool

Free, private, serverless random number generator. Generate unique, sorted random numbers in any range — 100% client-side.

Receipt Generator — Free Online Receipt Maker

Free, private, serverless receipt generator. Create professional receipts with line items, tax, and totals — download or print. 100% client-side, no data leaves your browser.

Recipe Scaler — Scale Ingredients Up or Down Instantly

Free, private, serverless recipe scaler. Adjust servings and get instant ingredient conversions with smart fractions — 100% client-side.

Resistor Color Code Calculator — 4 & 5 Band Decoder

Free resistor color code calculator. Decode 4-band and 5-band resistors with visual preview — 100% client-side. 100% serverless.

Ring Size Converter — US, UK, EU & Millimeter Chart

Free, private, serverless ring size converter. Convert between US, UK, EU ring sizes and millimeters — 100% client-side, no data sent.

Roofing Calculator — Roof Area, Materials & Cost Estimator

Free, private, serverless roofing calculator. Estimate roof area, shingles, roofing squares, bundles, underlayment, and total cost for gable, hip, flat, or shed roofs — 100% client-side.

SVG Optimizer — Optimize SVG Files Online Free

Free, private, serverless SVG optimizer. Remove comments, metadata, editor data, and minify SVG — 100% client-side.

Shoe Size Converter — US, UK, EU & CM Size Chart

Free, private, serverless shoe size converter. Convert between US, UK, EU sizes and centimeters for men, women & kids — 100% client-side.

Signal-to-Noise Ratio (SNR) Calculator — dB, Channel Capacity & Reference

Free, private, serverless SNR calculator. Calculate signal-to-noise ratio from power or voltage, Shannon channel capacity, and view SNR reference table — 100% client-side.

Terms of Service Generator — Free ToS Template

Free, private, serverless terms of service generator. Create customized ToS agreements for websites and apps — 100% client-side, no data leaves your browser.

Typing Speed Test — Free WPM Test Online

Free, private, serverless typing speed test. Measure WPM, accuracy, and errors — 100% client-side.

Unit Price Calculator — Compare Cost Per Unit

Free unit price calculator to compare prices across different package sizes and find the best value — 100% client-side. 100% serverless.

Username Generator — Create Unique Usernames Free

Free, private, serverless username generator. Create unique, creative usernames for social media, gaming, and accounts — 100% client-side.

Video Compressor — Compress Videos Online Free

Free, private, serverless video compressor. Reduce video file size in your browser using FFmpeg.wasm — no upload, 100% client-side.

Video Resizer — Resize Videos Online Free

Free, private, serverless video resizer. Resize videos to any resolution with presets for 4K, 1080p, 720p, Instagram, TikTok — 100% client-side.

Video Thumbnail Extractor — Extract Frames from Video Free

Free, private, serverless video thumbnail extractor. Capture frames at any timestamp or auto-extract at intervals — 100% client-side, no upload.

Video Trimmer — Cut & Trim Videos Online Free

Free, private, serverless video trimmer. Trim and cut videos entirely in your browser using FFmpeg.wasm — no upload, 100% client-side.

Voltage Divider Calculator — Vout, Current & Power

Free voltage divider calculator. Calculate output voltage, current, and power dissipation — 100% client-side. 100% serverless.

Webcam Test — Test Your Camera Online Free

Free, private, serverless webcam tester. Test camera with live preview, resolution stats, and screenshot — 100% client-side.

Wire Gauge Calculator (AWG) — Size, Voltage Drop & Ampacity

Free, private, serverless wire gauge calculator. Find the right AWG wire size for current, voltage drop, and distance — copper and aluminum — single and three phase — 100% client-side.

Word Scrambler / Anagram Maker — Free Online Tool

Free, private, serverless word scrambler. Scramble letters within words or shuffle word order — 100% client-side.

Work Days Calculator — Business Days Between Dates

Free work days calculator to count business days between two dates, excluding weekends — 100% client-side. 100% serverless.

dB (Decibel) Calculator — Convert, Add & Compare Decibels

Free, private, serverless decibel calculator. Convert between ratio and dB for power and voltage, add multiple dB sources, and view SPL reference chart — 100% client-side.