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.
Quick Reference & Instructions
Simple steps, pro tips, and execution details
Select or Drop Files
Drag & drop your images, PDFs, or documents directly into the upload area.
Customize Quality & Target
Adjust compression sliders, page merge order, or target file format.
Save Processed File
Download your optimized files instantly. Zero server processing—100% in-browser.
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.