Convert JPG to AVIF without uploading your file

Compress a JPG further by converting to AVIF. Runs in your browser.

The conversion runs entirely in your browser. The file never leaves your computer. No signup, no upload, no tracking.

AVIF typically produces files about 50 percent smaller than JPEG at equivalent visual quality. For web performance optimization, this is the biggest single improvement you can make to image payload sizes.

When to convert JPG to AVIF

If you are building a website and want the smallest possible image files without visible quality loss, AVIF is the current best option. The format is supported in Chrome, Firefox, and Safari 16+. For older browsers, serve a JPG or WebP fallback alongside the AVIF using a picture element.