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Image to ICO
Drag files here orclick to upload
2 files, max 3M each
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About This Tool
Image to ICO is a completely free online image-to-ICO converter supporting multiple sizes, all processed locally in your browser.
How to Use
- Add Image
Click "Add File" or drag and drop images; batch upload supported.
- Select Size
Choose the ICO size (16x16 to 256x256) on the right.
- Download Icon
Click "Download Single" or "Download All" to save.
Use Cases
- Generate favicon for websites
- Create desktop shortcut icons for applications
- Create custom icons for folders and files
Key Advantages
- Completely Free
No payment or registration needed; unlimited use.
- Privacy Safe
All processing is done locally; files are never uploaded.
- Multiple Sizes
Supports sizes from 16x16 to 256x256 for various use cases.
- Batch Conversion
Batch upload and convert to ICO format, download as ZIP.
- Instant Conversion
Fast local processing, no server wait, done in seconds.
ICO Size Guide
Different ICO sizes for different scenarios:
| Size | Use Case | Notes |
|---|---|---|
| 16x16 | Browser tab icon | Most common favicon size |
| 32x32 | Desktop shortcut | Windows taskbar icon |
| 128x128/256x256 | High-DPI display | For high-res screens |
FAQ
ICO is the Windows icon file format that stores one or more icons at different sizes, commonly used for favicons and app icons.
Upload an image, select the desired ICO size, convert and download. Batch upload supported.
Common browser-decodable formats (JPG / PNG / WebP, etc.) are supported; output is ICO.
The tool preserves the best possible quality at the selected size; output is clear.
Each conversion produces one size; for multiple sizes, convert several times or use another tool.
All conversion is entirely local in your browser; nothing is uploaded.
Limited by browser memory; recommend keeping each image under 20MB.
For website favicons, Windows app icons, desktop shortcut icons and more.
Yes. The tool is responsive and works on mobile and tablet browsers.
ICO files can contain multiple sizes and color depths; the system picks the best match automatically.
Ensure images are not corrupted, refresh and retry, or try a different browser.
Completely free, no registration needed. Generous daily quota provided.
Content last updated：2026-08-10
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