Image Format Converter — Batch
Image Tools
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About This Tool
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.
How to Use
- Drop images or click to browse files.
- Select the output format (PNG, JPEG, WebP, BMP).
- Adjust quality slider for lossy formats.
- Click Convert All.
- Download each converted image.
Frequently Asked Questions
What formats are supported?
Input: PNG, JPEG, WebP, GIF, BMP. Output: PNG, JPEG, WebP, BMP. All conversions happen using the HTML5 Canvas API.
Can I convert multiple images at once?
Yes. Drop or select multiple images and convert them all with one click. Each gets its own download button.
Does the quality slider affect all formats?
The quality slider primarily affects lossy formats (JPEG, WebP). PNG is lossless and ignores the quality setting.
Is my data private?
Absolutely. All conversion happens locally in your browser. No images are uploaded to any server.
Guides & Tutorials
In-depth guides for every tool. Learn how to process your data privately, for free, right in your browser.
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