Convert AVIF to ICO Free Online
Fast, private AVIF to ICO conversion. No signup required. Files never leave your browser until conversion.
Drop images here or browse
Multiple files supported · Max 20 MB each
Private
Files never stored
Batch
Multiple at once
Lossless
Quality control
Why Convert AVIF to ICO?
Converting AVIF to ICO creates favicons and Windows icons from modern AVIF images.
Common Use Cases
- Creating favicons from AVIF source images
- Windows application icons
- Quick icon generation
Source Format
AVIF
AV1 Image File Format
AVIF is a next-generation image format based on the AV1 video codec. It offers significantly better compression than JPEG and WebP while maintaining high visual quality, transparency, and animation support.
+ 50% smaller than JPEG at equivalent quality
+ Better compression than WebP
+ Supports transparency, animation, and HDR
- Slower encoding and decoding than JPEG or WebP
- Limited support in older browsers and software
Target Format
ICO
Icon File Format
ICO is the standard icon format for Windows applications and website favicons. It can store multiple image sizes in a single file, typically up to 256x256 pixels.
+ Standard format for favicons and Windows icons
+ Stores multiple resolutions in one file
+ Transparency support
- Maximum size of 256x256 pixels
- Limited to icon use cases
Quality & Size Notes
ICO is limited to 256x256 pixels. Larger AVIF images will be resized. Transparency is preserved.
Frequently Asked Questions
Should I use AVIF directly as a favicon?
Browser support for AVIF favicons is very limited. ICO remains the most universally compatible favicon format.
Will my AVIF transparency be preserved?
Yes, ICO supports transparency. Your AVIF's transparent background will carry over.
What size AVIF works best for icons?
Start with a square image. 64x64 or 256x256 are ideal. Larger images will be resized to fit ICO's 256x256 maximum.