Convert ICO to AVIF

Turn ICO files into AVIF in seconds. Convert many files at once; everything happens on your device, so it's fast and private.

AnyView
AnyView for iPhone & iPad

Open HWP, Figma, archives, mail, CAD and 200+ formats right on your device — offline, from the Files app or the share sheet.

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How to convert

  1. Drop your ICO files into the box above, or click to choose.
  2. Under "Convert to", click AVIF.
  3. Your AVIF file downloads automatically when it's done.
ICO — Windows icon / favicon

Icon format used for Windows icons and website favicons. Holds several sizes in one file.

AVIF — AV1 Image File

Next-generation image format based on AV1. Excellent quality at very small sizes.

FAQ

Is it really free?

Yes. No sign-up and no watermark. The site is supported by ads, and Pro removes them.

Are my files uploaded?

No. Every conversion runs inside your browser on your own device, so private documents stay private.

What's the difference between ICO and AVIF?

ICO: Icon format used for Windows icons and website favicons. Holds several sizes in one file. AVIF: Next-generation image format based on AV1. Excellent quality at very small sizes.

Does it work on my phone?

Yes. It works the same in iPhone and Android browsers.

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