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68 toolsFree browser-based utility tools. Timers, generators, and more. Every tool runs 100% in your browser.
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.
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.
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.
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 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.
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.
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 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.
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.
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.
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.
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.
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.
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.
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.
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