Convert WebP to AVIF
This tool converts WebP images to AVIF. Both are formats made for the web, and both keep transparency, but AVIF usually reaches the same look in fewer bytes. That makes this the conversion for a site that already serves WebP and wants to go one step smaller. The conversion runs in your browser, and your image is never uploaded.
Runs in your browser
Drop an image here
WebP, up to 50 MB
How it works
- 1 Choose a WebP file.
- 2 Set the quality if 75 is not what you want.
- 3 GRID16 encodes the image as AVIF in your browser.
- 4 Download the AVIF file.
Questions
- Is AVIF always smaller than WebP?
- Usually, not always. A WebP that is already heavily compressed has little left to give, and converting it adds a second lossy pass. The gain is largest when the WebP was saved at a high quality.
- Does the image lose quality?
- A little, as with any second lossy pass: the WebP is decoded and encoded again. The default quality of 75 keeps that out of sight on a photograph.
- What happens to transparency?
- It is kept. AVIF stores an alpha channel just like WebP.
- What happens to an animated WebP?
- You get a single still image. The conversion writes one picture, not an animation.
- Is my image uploaded to a server?
- No. The conversion happens in your browser; the file never leaves your device.