What happens when you convert AVIF to ICO
- ICO is lossless, so nothing more is lost in the conversion. Detail already removed by AVIF compression doesn't come back, and the file is usually larger.
- Transparency is kept.
- Choose the icon sizes (16 to 256 px); they're all packed into one .ico file, ready to use as a favicon.
AVIF vs ICO
| Feature | AVIF | ICO |
|---|---|---|
| Compression | Lossy or lossless | Lossless |
| Transparency | Yes | Yes |
| Animation | Yes | No |
| Colors | 1B+ | 16.7M |
| Best for | Modern websites | Favicons, app icons |
How to convert AVIF to ICO
- Drop your AVIF files on the box above, or click it to choose files. You can add many at once.
- Adjust the options if you want. The defaults work well for most files.
- Click Download for each ICO file, or "Download all" to get a ZIP.
Frequently asked questions
Is it safe to convert my files here?
Yes. Conversion happens entirely in your browser. Your files are never uploaded to a server, so nobody else can see them.
Is it free? Are there limits?
It's completely free, with no sign-up, watermarks or daily limits. The only limit is your device's memory for very large files.
Can I convert many AVIF files at once?
Yes. Drop as many files as you like; they're converted one after another and you can download them all as a ZIP.
Will converting AVIF to ICO reduce quality?
No. ICO is lossless, so the image is saved exactly as it is. Detail already lost in AVIF can't be restored.
Does ICO keep transparency?
Yes, ICO supports transparency and it's kept.