JPG to AVIF
Convert JPG to next-gen AVIF — usually smaller at the same quality, perfect for speeding up websites. Free, fast and secure, no sign-up. Everything runs locally in your browser and your file is never uploaded.
3 numbered images + 1 damaged file. A real processing example.
Images are processed in this tab. Download your results before closing or refreshing.
Your finished images will appear here.
Check each image, its dimensions and file size before downloading.
Frequently asked questions
AVIF is built on the AV1 video codec and compresses far more efficiently than JPG. At a similar look, photos converted to AVIF are often 30%–50% smaller — great when page speed matters.
AVIF output relies on the browser's native AVIF encoder. The latest Chrome, Edge and Firefox support it; a few older browsers and some Safari versions don't, in which case pick JPG / PNG / WebP. Either way the conversion always runs locally in your browser and nothing is uploaded.
Yes, with a fallback. Modern browsers display AVIF, but it's wise to serve it via a <picture> element with a WebP/JPG fallback for the few environments that don't support it.
Updated · image cat team