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Recommended: Square image (512x512 or larger)
Free PNG to ICO Converter Online
Create professional favicon.ico files for your website instantly. Our converter generates multi-resolution ICO files that work perfectly in all browsers and operating systems.
What is an ICO File?
ICO (Icon) is a special image format used for icons in Windows and web favicons. Unlike regular images, ICO files can contain multiple sizes of the same icon, allowing the system to choose the best size for different contexts.
Why Use ICO for Favicons?
- Universal Browser Support - ICO format is supported by all browsers
- Multiple Sizes - One file contains all needed icon sizes
- Windows Compatible - Works for desktop shortcuts and applications
- Professional Look - Crisp icons at every size
Recommended Icon Sizes
- 16x16 - Browser tabs, address bar
- 32x32 - Windows taskbar, newer browsers
- 48x48 - Windows desktop icons
- 64x64+ - High-DPI displays, Windows 10/11
Frequently Asked Questions
What size should my source image be?
Use a square PNG at least 256x256 pixels, ideally 512x512 or larger. This ensures your icon looks sharp at all sizes.
How do I add the favicon to my website?
Upload favicon.ico to your website root folder and add this to your HTML head: <link rel="icon" href="/favicon.ico">
Which sizes should I include?
For most websites, 16x16, 32x32, and 48x48 are sufficient. Add 64x64+ for high-DPI display support.