Batch Image Compressor
Shrink multiple image file sizes with global and individual controls.
Drop one or multiple images here, or browse
Supports Multiple & Ctrl+V paste · JPG, PNG, WebP up to 50MB per file
100% Private & Local: Your images are processed directly in your browser RAM. They are never uploaded or stored on any server.
How It Works
01
Zero Server Uploads
Your images are decoded in an OffscreenCanvas in browser RAM — zero files are uploaded or saved to any server.
02
Smart Quantization
Pixel resolution and color palettes are algorithmically optimized locally to shrink file sizes up to 90%.
03
1-Click Copy & Auto-Cleanup
Save optimized files or copy for WordPress. Temporary browser memory is automatically wiped when finished.