ICO to AVIF
Convert ICO files to AVIF in seconds, for free. Nothing to install.
Files are deleted from the server automatically after 1 h.
Why convert ICO to AVIF?
- AVIF is a modern web format: smaller images make websites load faster and rank better.
- Convert in a few seconds right in your browser, without installing software.
You don't need to install any software to convert ICO to AVIF. Upload your file, choose AVIF and download the result a few seconds later. The conversion runs on our servers and your file is deleted automatically after 1 h.
ICO vs AVIF: comparison
| Feature | ICOWindows Icon | AVIFAV1 Image File Format |
|---|---|---|
| Developer | Microsoft | Alliance for Open Media |
| Released | 1985 | 2019 |
| Type | image | image |
| Compression | lossless | lossy and lossless |
| Transparency | ✓ yes | ✓ yes |
| Animation | ✗ no | ✓ yes |
| Opens with | Windows, Chrome, GIMP | Chrome, Firefox, Edge, Safari |
Tip: use Options to change quality and width and make the file smaller.
How it works
- Choose or drop your ICO file.
- Pick AVIF as the output format.
- Click “Convert” and download your file.
ICO to AVIF: questions and answers
Will quality be lost when converting ICO to AVIF?
No. AVIF stores data without loss, so the result matches the original.
How long does ICO to AVIF conversion take?
Usually 1–10 seconds. Several files are processed in parallel.
What is the maximum ICO file size?
Up to 30 MB per file and up to 20 files at once — for free.
Can I convert ICO to AVIF on my phone?
Yes. TezConvert works in any browser on Android and iPhone — no app needed.
How do I open a AVIF file?
AVIF files open in: Chrome, Firefox, Edge, Safari.
Are my files safe?
Files are used only for the conversion, never shown to anyone, and deleted automatically after 1 h. The original is deleted right after conversion.
⇄ Need the opposite? Convert AVIF to ICO →