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Convert AVIF to WebP Online for Free

WebP has broader support than AVIF across older browsers, image libraries, and CMS platforms while still offering strong compression - a practical middle ground if AVIF is causing compatibility headaches.

Choose Output Format

Reduce Image Size In KB

Compress an image to 20KB, 50KB, 100KB, 200KB, or any other size.

  • Efficient Size Reduction: resize images to 100KB with preserved clarity, eliminating oversized files.
  • Effortless Photo Resizing: our user-friendly interface lets you resize images in KB with just a few clicks - no technical expertise required.
orDrag and Drop

How to Convert AVIF to WebP

01

Upload your AVIF

Drag it in or click Upload Your Image.

02

WebP is already selected

This page defaults Convert To to WebP - change it if you want a different format instead.

03

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.

04

Click Convert

The file downloads automatically as soon as it's ready.

AVIF vs WebP

Compatibility. WebP has been around longer and is recognized by a slightly wider range of tools, CMS platforms, and older browser versions than AVIF.

File size. Expect some increase in file size compared to the AVIF original, though typically more modest than converting all the way to PNG or JPG.

Transparency. Both formats fully support an alpha channel, so transparent AVIF images convert to WebP cleanly.

When to choose WebP over AVIF. When a specific tool, plugin, or platform in your workflow doesn't yet handle AVIF, but you still want better compression than JPG or PNG.

Common Use Cases

  • ·Working around a CMS plugin or image library that doesn't support AVIF yet
  • ·Providing a WebP fallback for browsers or tools that don't read AVIF
  • ·Standardizing a media library on WebP for consistent tool support
  • ·Reducing compatibility risk while keeping most of AVIF's size benefit

Frequently Asked Questions

Yes - it's the standard next choice: still modern and efficient, but supported far more broadly than AVIF.

Some size efficiency, typically, but the difference is usually modest compared to going all the way back to JPG or PNG.

AVIF is newer than WebP, so some CMS platforms, plugins, and older image-processing libraries haven't added support yet, or only added it recently - WebP's longer track record means broader compatibility today.

Yes - both have a full alpha channel, so transparent images convert without any loss of transparency.

Only if you're hitting real compatibility problems with AVIF - if everything is working, there's no need to give up AVIF's extra compression across the board.

Yes, with no account or usage limit.

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