An ICO file is an image format used for icons in Windows and web browsers. It can contain multiple image sizes in a single file, making it perfect for favicons and application icons.

What sizes should I include for a favicon?

For best compatibility, include 16x16, 32x32, and 48x48 pixel sizes. Modern browsers also support larger sizes like 64x64, 128x128, and 256x256 for high-DPI displays.

Will transparency be preserved?

Yes, the converter preserves PNG transparency when creating ICO files, ensuring your icons look professional on any background.

PNG to ICO Converter

Convert your PNG files to ICO format for favicons and icons.

Choose a PNG file

or drag & drop

PNG to ICO Converter

Select Icon Sizes