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JPG to AVIF Converter

Convert JPG images to AVIF and reduce file size by up to 50% compared to JPEG. The most efficient image format for the modern web. Free, instant, runs in Chrome or Firefox.

Why AVIF is the best image format for 2025

AVIF (AV1 Image File Format) delivers the most efficient compression of any widely-supported image format. At equivalent visual quality, AVIF files are 50% smaller than JPEG and 20% smaller than WebP. This makes AVIF the ideal format for high-traffic websites where every kilobyte saved translates to faster load times and lower bandwidth costs.

Browser support for AVIF

AVIF is supported in Chrome 85+ (August 2020), Firefox 93+ (October 2021), and Safari 16+ (September 2022). As of 2025, global AVIF support reaches approximately 93% of web users. For the remaining 7%, serve AVIF with a WebP or JPEG fallback using the HTML <picture> element.

AVIF encoding browser requirement

This tool requires Chrome or Firefox for AVIF output encoding. Safari can decode AVIF but does not support AVIF encoding via the Canvas API as of 2024. If the AVIF option fails in your browser, switch to Chrome or Firefox, or use WebP as an alternative — it's 25% smaller than JPEG and supported in all modern browsers including Safari.

Frequently asked questions

AVIF is supported by Chrome 85+ (2020), Firefox 93+ (2021), and Safari 16+ (2022). Global support is approximately 93% as of 2025. For full coverage, serve AVIF with a JPEG or WebP fallback: <picture><source srcset="img.avif" type="image/avif"><img src="img.jpg"></picture>.
AVIF encoding (writing) requires Chrome or Firefox. Safari can display AVIF images but cannot encode them via the Canvas API. If you're on Safari, switch to Chrome or Firefox for AVIF output, or use WebP as an alternative.
Typically 40–60% smaller at equivalent visual quality. A 500 KB JPEG at quality 85 might become a 200–280 KB AVIF at quality 80. The savings are most pronounced for photographic images and complex scenes; simpler images see slightly less reduction.
Use both with a <picture> element — serve AVIF to browsers that support it (93% of users) and WebP as a fallback. If you can only choose one, WebP has slightly broader support (97% vs 93%) while AVIF offers 20% better compression. For new projects targeting modern browsers, AVIF-first is the forward-looking choice.