AVIF to WEBP Converter

Why Convert AVIF to WebP Instead of Keeping It as AVIF?

AVIF generally compresses a little better than WebP, but WebP has been around longer and is supported by a noticeably wider range of design software, CMS platforms, and older devices. For a lot of workflows, WebP is the more practical middle ground between AVIF’s newer efficiency and JPG/PNG’s older but universal support.

Common Situations Where You Need an AVIF to WebP Converter

This is common when a CMS or theme accepts WebP uploads but doesn’t yet support AVIF, or when a design tool can open and edit WebP files but throws an error on AVIF. It also comes up when standardizing a mixed batch of images (some AVIF, some other formats) into one consistent, broadly-supported format.

What Is AVIF, and How Does It Compare to WebP?

AVIF is built on the AV1 video codec and was standardized for still images in 2019, roughly a decade after WebP launched, and it typically produces a somewhat smaller file at matching visual quality. That efficiency edge comes at the cost of narrower software support, since AVIF is still working through the adoption curve WebP has largely finished.

How ToolFlexy’s AVIF to WebP Converter Works

Your AVIF file is decoded and re-encoded as WebP directly in your browser at the quality setting you choose. Nothing is uploaded to a server, so the conversion finishes in seconds.

Does Converting AVIF to WebP Lose Much Quality?

At a matching quality setting, the visual difference between the two is minimal for most real-world images, since both formats use modern, perceptually-tuned compression. You’ll typically see a modest file-size increase compared to the original AVIF, in exchange for WebP’s broader compatibility.

Tips for the Best Results When You Convert AVIF to WebP

If your target platform already supports AVIF, there’s little reason to convert — you’re mainly doing this for a tool or CMS that specifically requires WebP. Compare a converted sample against the original at 100% zoom before batch-converting a large image library, just to confirm quality is what you expect.

AVIF to WebP: A Smaller Compatibility Gap

AVIF and WebP are both modern formats developed with web performance in mind, but WebP has broader support across browsers, apps, and content management systems right now. Converting from AVIF to WebP typically increases file size somewhat, since AVIF’s AV1-based compression is more advanced, but the difference is far smaller than jumping all the way to JPG or PNG.

This conversion suits situations where a platform explicitly supports WebP uploads but rejects AVIF outright, which still happens with some CMS plugins and older apps. For guaranteed universal support instead, our AVIF to PNG converter is the safer choice, and WebP’s own format design is explained on Wikipedia.

The size difference here is usually modest — an AVIF file might grow by 10 to 20 percent once converted to WebP, far less than the jump to PNG or BMP would produce. WordPress, Shopify, and most major website builders accept WebP uploads today, while AVIF support among plugins and themes still varies.

Both formats support the same basic feature set — lossy, lossless, transparency, and animation — so this conversion rarely changes how the image looks or behaves, only its compatibility.

Converting several AVIF images at once? The folder upload option processes up to 100 files in a single batch, with everything handled locally inside your browser.

Both are supported directly by Chrome’s DevTools image format inspector, so you can verify which one you’re actually looking at without guessing from the file extension alone.

Looking for a different format? Browse all of our free online file converters in one place.