UnlimitedConvert
AVIF to WebP Converter
Turn AVIF files into WebP in seconds. Everything happens on your device: nothing is uploaded, and there's no limit.
Your images are processed in this browser tab and never uploaded.
Why convert AVIF to WebP?
AVIF is new, so many apps and older devices can't open it yet.
WebP files are much smaller, so websites load faster and use less storage.
How to convert AVIF to WebP
Add your files
Drop your AVIF files into the box or tap “select files”. Add as many as you like.
Pick the options
Set the quality. 80–90% gives much smaller files with no visible difference.
Convert and download
Press Convert. Download each WebP on its own, or everything at once as a ZIP file.
AVIF vs WebP
| AVIF | WebP | |
|---|---|---|
| Full name | AV1 Image File Format | WebP |
| Compression | Lossy | Lossy |
| Transparency | Yes | Yes |
| Animation | Yes | Yes |
| Best for | the fastest-loading website images | images on websites, where smaller files mean faster pages |
| Support | Current Chrome, Edge, Firefox and Safari show AVIF. Many desktop apps and older devices don't yet. | All current browsers show WebP. Some older desktop apps and print services still don't accept it. |
About the formats
AVIF (AV1 Image File Format, 2019) is the newest major image format, based on the AV1 video codec. It usually produces the smallest files of all, often half the size of JPG, with transparency and HDR support.
WebP (WebP, 2010) is Google's modern web format. It makes files roughly 25–35% smaller than JPG or PNG at the same visual quality and supports both transparency and animation.
Frequently asked questions
How do I convert AVIF to WebP?
Drop your AVIF files into the box above (or tap Select files), check the options, then press Convert. Each WebP downloads on its own, or you can download them all as one ZIP file.
Are my files uploaded anywhere?
No. The conversion runs entirely in your browser on your own device. Your AVIF files are never sent to a server, so they stay private, and it works even on a slow connection once the page has loaded.
Is there a limit on how many AVIF files I can convert?
No. Convert as many as you like, for free, without signing up. Very large batches are processed one after another so your browser stays responsive.
Will I lose quality converting to WebP?
WebP uses lossy compression, but at the default 90% quality the difference is practically invisible. Move the Quality slider up for the highest fidelity or down for smaller files.
Does it work on iPhone and Android?
Yes. It works in Safari, Chrome, Firefox and Edge on phones, tablets and computers. Nothing to install.