Image Conversion
Convert ICO to HEIF Online — Free
Fast, free ICO to HEIF converter. No registration required.
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How to Convert
1
Upload your .ico file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .heif file when it's ready.
What is ICO?
ICO is the image format used for icons in Windows. It can contain multiple image sizes in a single file for different display contexts.
Format Details
- Full Name
- Windows Icon
- Extension
- .ico
Key Features
- Windows icons
- Multiple sizes
- Favicon support
- Transparency
What is HEIF?
HEIF is the standard name for the image container format used by Apple. While HEIC is the Apple-specific variant, HEIF is the broader ISO standard used across platforms.
Format Details
- Full Name
- High Efficiency Image Format
- Extension
- .heif
Key Features
- ISO standard
- Better than JPEG
- HDR support
- Small files
ICO vs HEIF
| Feature | ICO | HEIF |
|---|---|---|
| Full Name | Windows Icon | High Efficiency Image Format |
| Extension | .ico | .heif |
| Best For | Windows icons | ISO standard |
Frequently Asked Questions
Yes. You can convert up to 5 files per day completely free, with no watermark or registration required.
Most files convert in under 30 seconds. Larger files (over 500MB) may take 1-3 minutes.
No. Our converter uses optimized encoding settings by default to preserve the original quality.
Free users can convert files up to 100MB. Pro users can convert files up to 2GB.
Yes. Our converter works in any modern web browser on any device.