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AVIF to WebP

Convert AVIF images to WebP for free, with transparency kept. Many at once, with no upload.

Files stay on your device

Drop images to convert them to WebP

Add one or as many as you like. They're converted on your device, so nothing is uploaded.

PNG, JPG, WebP, HEIC, AVIF, SVG, BMP, and GIF. As many as you like, or a whole folder.

Convert to
Smaller than JPG and PNG, for websites. Keeps transparency.
Format
Quality
85%

Lower makes smaller files. A picture that's already a WebP is kept as it is.

How to convert AVIF to WebP

Add AVIF pictures, such as ones saved from a website, and download them as WebP, which more apps, editors, and older browsers open. Both formats are small, so the WebP stays light for the web. The converter runs in your browser, so the files stay on your device.

  1. Step 1

    Add your AVIF files
    Pick one or many, or drop them in.

  2. Step 2

    Keep WebP
    WebP is selected; set the quality if you like.

  3. Step 3

    Download the WebPs
    Save each one, or all of them in a ZIP.

What to expect

Supported inputs
AVIF files, and any other picture: PNG, JPG, WebP, HEIC, AVIF, SVG, BMP, ICO, or GIF.
What happens
Each picture is saved as a WebP at its full size, at 90% quality unless you choose another, with transparency kept.
Limits
An animated AVIF is saved as its first frame. The WebP is usually a little larger than the AVIF.

Private by design

Your images stay on your device

Mastershot processes your file locally in this browser. It does not need to be uploaded to a server, and you do not need an account to use the tool.

  • No upload
  • No signup
  • No watermark

Questions

WebP opens in more places: older browsers and phones, and many editors and upload forms that don't take AVIF yet.

Yes. A transparent AVIF stays transparent as a WebP.

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