How to Convert WebP to AVIF
Upload your WebP
Drag it in or click Upload Your Image.
AVIF is already selected
This page defaults Convert To to AVIF - change it if you want a different format instead.
Optionally set a target size
Leave it on Best Quality, or pick a KB target (20/50/100/200KB or custom) if you need a specific file size.
Click Convert
The file downloads automatically as soon as it's ready.
WebP vs AVIF
Compression. Both are modern, efficient formats, but AVIF's newer compression technology generally edges out WebP's, particularly on photographic and detailed images.
Transparency. Both fully support an alpha channel, so transparent WebP images convert to AVIF with transparency intact.
Browser support. WebP has a slightly longer track record and marginally broader support in older browsers and tools; AVIF is supported by all current major browsers but is the newer of the two.
When the upgrade is worth it. For photographic content on a performance-sensitive site, the extra savings from AVIF are usually worthwhile. For simple flat graphics and icons, the gap between the two formats is much smaller.
Common Use Cases
- ·Squeezing additional file-size savings out of an already-WebP image library
- ·Preparing photographic assets for maximum compression on a modern site
- ·Testing AVIF adoption on a site while keeping WebP as a fallback for older browsers
- ·Reducing bandwidth costs on image-heavy, high-traffic pages
Frequently Asked Questions
For photographic images where every kilobyte counts, usually yes. For flat graphics and icons, the gap over WebP is smaller.
No - most sites serve AVIF to browsers that support it and fall back to WebP or JPG for the rest.
Yes - both formats have a full alpha channel, so transparent WebP images convert cleanly.
Yes, generally - AVIF's compression is more computationally intensive. This tool handles that with a fast search pass followed by one slower, high-quality final encode.
Not necessarily - the benefit is largest for photographic content. Simple graphics and icons may see little improvement over WebP, so it's reasonable to prioritize your largest, most detailed images first.
If you're using a fallback setup (like an HTML <picture> element with WebP or JPG alternatives), their browser simply loads the fallback format instead - nothing breaks.
Yes, with no account or usage limit.