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PNG to ICO Converter

Create multi-size ICO files for favicons and Windows icons

About ICO Files

ICO (Icon) is the image file format used for icons in Microsoft Windows. ICO files can contain multiple images at different sizes and color depths, allowing Windows to select the most appropriate version for different contexts.

Common Uses:

  • Website Favicons - The small icon shown in browser tabs
  • Desktop Icons - Windows application and folder icons
  • Taskbar Icons - Icons displayed in the Windows taskbar
  • Shortcut Icons - Custom icons for desktop shortcuts

Pro Tips:

  • Include multiple sizes for best display across all contexts
  • For web favicons, 16x16 and 32x32 are most important
  • Use transparent PNG source for icons with transparency
  • Keep designs simple - icons are displayed very small