Compress Image

Reduce image file size using WebP, AVIF, or JPEG compression. All processing happens in your browser.

Drop files here or click to upload

.jpg, .jpeg, .png, .webp, .gif, .bmp · Max 20 files

Or paste files with Ctrl+V

Your files never leave your browser

What is Image Compress?

Image Compress reduces image file size using state-of-the-art codecs (MozJPEG for JPG, oxipng / pngquant for PNG, WebP and AVIF). All encoding runs as Squoosh WASM in your browser.

How to use Image Compress

  1. Drop one or more images (JPG / PNG / WebP / GIF / BMP).
  2. Choose target codec and quality.
  3. Click "Compress" — Squoosh re-encodes each image.
  4. Compare original vs compressed and download.

Why use AinnoBox

  • 100% browser-based — your file is never uploaded to a server
  • No file size limits imposed by us; only your device memory
  • Free with no sign-up, no email, no watermark on output
  • Works offline once the page is loaded
  • Strict Content Security Policy and HTTPS by default

Want to understand why AinnoBox processes everything in the browser rather than on servers? Read How It Works or check the FAQ.