How to Use the Image to ICO Converter
Upload Your Image
Start by uploading an image file. You can either drag and drop the image into the upload area or click the "Select Files" button to browse your computer. Supported formats include JPG, PNG, GIF, BMP, and WebP.
Configure Settings (Optional)
Switch to the Settings tab to customize your conversion. Here you can select which icon sizes to generate, adjust quality settings, and set color depth. You can also add custom sizes if needed.
Preview Generated Icons
After uploading, the converter will automatically generate previews of all selected icon sizes. You can see how your image looks at each resolution before downloading.
Download Your Icons
Download individual sizes as ICO files by clicking the download button below each preview. Each icon will be downloaded separately in ICO format.
Key Features
Multiple Size Options
Generate icons in standard sizes (16x16 to 256x256) or create custom sizes up to 256x256 pixels. Perfect for all use cases from favicons to high-resolution icons.
Individual Downloads
Download each icon size individually as ICO files. This gives you full control over which sizes you want to use in your projects.
Quality Control
Adjust the quality slider to balance file size and image quality. Choose from different color depths including 32-bit RGBA for full transparency support.
Customizable Settings
Save your preferred settings as defaults for future conversions. Reset to factory settings anytime. All settings are stored locally in your browser.
Live Preview
See exactly how your icons will look before downloading. The preview shows all selected sizes with high-quality scaling algorithms.
Privacy Focused
All processing happens in your browser - no files are uploaded to any server. Your images remain private and secure.
Tips & Best Practices
For Best Results
- Start with a high-resolution image (at least 256x256 pixels) for the best quality at all sizes
- Use square images with a 1:1 aspect ratio for optimal results
- Simple designs with clear lines work better than complex photographs
- For favicons, include at least 16x16, 32x32, and 48x48 sizes
- For Windows applications, include 16x16, 32x32, 48x48, and 256x256 sizes
- Use 32-bit color depth for icons with transparency or smooth edges
- ICO format supports sizes up to 256x256 only
File Format Guide
- ICO: Windows icon format. Best for Windows applications and favicons. Supports sizes up to 256x256 with transparency.