About Image Compressor
Shrink images for the web without sacrificing quality. The compressor runs entirely in your browser using WebAssembly — your images never leave your device. Convert JPG and PNG to modern WebP and cut file sizes by 60–80% with no visible quality loss.
Why use Image Compressor?
- 100% client-side — images never leave your browser
- Convert to WebP for maximum compression
- Adjustable quality slider
- Side-by-side before/after preview
- Works on multiple images at once
How it works
- 1Drag and drop your image (JPG, PNG, WebP).
- 2Choose target quality and format.
- 3Download the compressed result.
Frequently asked questions
Why WebP?
WebP files are typically 25–35% smaller than equivalent JPGs at the same visual quality, and are supported by every modern browser.
Is the original image stored anywhere?
No. Compression happens in your browser via WebAssembly — nothing is uploaded.