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AVIF to WebP converter

This AVIF to WebP converter changes AVIF images into WebP files, which open in more browsers, editors and tools while still keeping files small.

Lower means a smaller file.

Width × height (px)

How to convert AVIF to WebP

  1. Choose or drop one or more AVIF files above.
  2. Adjust quality if needed. 90% keeps excellent detail.
  3. Download each WebP, or save them all as a ZIP.

Why convert AVIF to WebP?

Both formats make small files and support transparency, but WebP is supported by a wider range of software. Some content management systems, email tools and image editors accept WebP and not yet AVIF. Converting lets you keep small files without breaking compatibility.

How the files compare

  • Size: AVIF is often a little smaller than WebP at the same quality, so the WebP may be slightly larger.
  • Support: WebP works in every modern browser and in more apps than AVIF.
  • Transparency: both keep it, so cut-out edges stay clean.
  • Speed: WebP encodes faster, so conversions finish quickly.

Choosing quality

The default quality of 90% is a safe start. For website images, around 80% is usually enough and gives a smaller file. Use higher values for graphics with fine lines or text.

Related tools

If you need a format that every program opens, use AVIF to JPG or AVIF to PNG. Going the other way, the PNG to AVIF converter creates AVIF files. To shrink a WebP further, use the online compression tool.

Privacy, speed and file names

Every AVIF file is opened and saved as WebP inside your browser, so nothing is uploaded and conversion starts right away. Speed depends on your device, not your connection. Results are named after the original with “-tech9pros” added, so your originals are never overwritten. WebP is created by your browser, so conversions are quick.

Converting many files

Select up to 30 files at once and download them one by one or as a single ZIP. If you change a setting, the files are converted again with the new value, so you can try a different quality without adding them again.

If something goes wrong

If a file will not open, update your browser. Older versions cannot read AVIF. If the result looks too soft, raise the quality and convert again.

Frequently asked questions

Is WebP smaller than AVIF?

Usually not. AVIF often compresses a bit better, so expect a WebP of similar quality to be somewhat larger.

Does AVIF to WebP keep transparency?

Yes. WebP supports transparent backgrounds, so they are kept.

Is anything uploaded?

No. The conversion happens in your browser and your images never leave your device.