Convert AVIF to ICO
Free, instant and private — your AVIF files are converted right in your browser and never uploaded to a server.
How to convert AVIF to ICO
- Step 01
Add your AVIF files
Drop them into the box above or click to browse. You can add several files at once.
- Step 02
Conversion starts instantly
It runs in your browser using its built-in image engine — no upload, no queue, no waiting.
- Step 03
Download your ICO files
Save each file individually or grab them all at once. Done.
Why convert AVIF to ICO?
Got a logo or graphic as AVIF and need a favicon? This converts it straight to a multi-size .ico (16, 32, 48 px), keeping transparency along the way — the quick path from a modern, efficient image format to the icon browsers expect at /favicon.ico.
AVIF vs ICO at a glance
AVIF is the newest mainstream image format — outstanding compression, but support outside browsers is still patchy. ICO is the Windows icon container — bundles several sizes in one file, still the format browsers expect for favicon.ico.
| Property | AVIF | ICO |
|---|---|---|
| Extension | .avif | .ico |
| Full name | AV1 Image File Format | Windows Icon |
| First released | 2019 | 1985 |
| Developed by | Alliance for Open Media | Microsoft |
| Compression | Lossy | Lossless |
| Transparency | Yes | Yes |
| Animation | Yes | No |
| Best for | next-generation web images with maximum compression | favicons and Windows application icons |
AVIF to ICO — frequently asked questions
Is this AVIF to ICO converter really free?
Yes — completely free, with no sign-up, no watermarks and no daily limits.
Are my AVIF files uploaded to a server?
No. The conversion happens entirely on your device using your browser's built-in image engine. Your AVIF files never leave your computer or phone — which is also why the conversion is nearly instant.
Will converting AVIF to ICO lose quality?
No. ICO is a lossless format, so the converted file keeps every pixel exactly as decoded from your AVIF.
Is the transparency preserved?
Yes. If your AVIF has a transparent background, the resulting ICO keeps it.
What sizes will the ICO contain?
16×16, 32×32 and 48×48 — the three favicon standards — all in one file, so each context picks the sharpest.
Related conversions
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Need the reverse? Convert ICO to AVIFExplore the ICO converter