image Tool Popular
Browser Image Compressor
Compress JPEG, PNG, and WebP images directly in your browser with zero server uploads.
Click to select or drag an image here
Supports PNG, JPEG, WebP • 100% processed locally on your device
Zero-Leakage Local Processing
All text formatting, JSON/JWT parsing, cryptographic hashing, and image compression execute entirely inside your browser. No private data is ever sent to Burnjet servers.
How It Works
Uses HTML5 Canvas to compress and re-encode image pixel buffers locally in browser memory.
Frequently Asked Questions
Common questions about calculations, assumptions, and edge cases.
No. All image resizing, canvas drawing, and WebP compression occurs 100% inside your local web browser.