Convert AVIF to ICO Online Free
Convert AVIF images to ICO icon format for website favicons and Windows application icons. Generate universally compatible icons from modern AVIF source images.
To convert AVIF to ICO, drop your AVIF file into the converter above. ChangeThisFile decodes the AVIF image and creates an ICO icon file entirely in your browser. The conversion is free, requires no signup, and your files never leave your device. Use the ICO as a favicon or application icon.
Convert AVIF to ICO
Drop your AVIF file here to convert it instantly
Drag & drop your .avif file here, or click to browse
Convert to ICO instantly
AVIF vs ICO: Format Comparison
Key differences between the two formats
| Feature | AVIF | ICO |
|---|---|---|
| Purpose | Modern web images | Icons and favicons |
| Compression | AV1-based lossy/lossless | Uncompressed or PNG-compressed |
| Transparency | Full alpha channel | Full alpha channel |
| Color depth | Up to 12-bit, HDR | Up to 32-bit |
| Multiple sizes | Single image | Can embed multiple icon sizes |
| Browser support | Chrome 85+, Firefox 93+, Safari 16.4+ | Universal (as favicon) |
| Typical dimensions | Any size | 16x16 to 256x256 |
When to Convert
Common scenarios where this conversion is useful
Creating favicons from AVIF assets
If your web images are stored as AVIF, convert one to ICO for a universally compatible favicon.ico that works in all browsers including older ones.
Windows application icons
Development tools require ICO format for Windows application icons. Convert your AVIF design assets to ICO for inclusion in software projects.
Cross-browser favicon fallback
While some browsers support various favicon formats, ICO is the universal standard. Generate an ICO from your AVIF logo as a reliable fallback.
Desktop shortcut customization
Convert AVIF images to ICO to use as custom icons for Windows desktop shortcuts, folders, and drives.
How to Convert AVIF to ICO
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1
Drop your AVIF file
Drag and drop your AVIF image into the converter area, or click browse to select it from your device.
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2
Instant conversion
Your browser decodes the AVIF and encodes it as an ICO file using the Canvas API. The image is scaled to standard icon dimensions.
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3
Download your ICO
Save the converted ICO file. Use it as a website favicon or Windows application icon.
Frequently Asked Questions
Yes. ICO supports full alpha channel transparency, so transparent areas in your AVIF image will be preserved in the ICO output.
For best results, use a square AVIF image of at least 256x256 pixels. The converter handles resizing, but square sources produce the cleanest icons.
You need Chrome 85+, Firefox 93+, Edge 121+, or Safari 16.4+. If your browser doesn't support AVIF, update to the latest version or convert from PNG/JPG instead.
Most browsers don't support AVIF as a favicon format. ICO is the universal standard recognized by all browsers. Use ICO for maximum compatibility.
This converter generates a single standard icon size which works for most use cases including favicons and basic application icons.
Yes. All decoding and conversion happens in your browser. Your AVIF files are never uploaded to any server, keeping your brand assets and designs private.
For a basic favicon or application icon, the single-size output works perfectly. For multi-size ICO files, you may need a dedicated icon editor after converting.
Yes, on mobile browsers that support AVIF decoding. Chrome on Android and Safari on iOS 16.4+ can handle AVIF to ICO conversion directly.
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