Convert ICO to GIF

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ICO vs GIF Format Comparison

Aspect ICO (Source Format) GIF (Target Format)
Format Overview
ICO
Windows Icon

Container with multiple small images at various resolutions and depths.

Standard
GIF
Graphics Interchange Format

Indexed-color bitmap format supporting simple animations and binary transparency.

Standard
Compression

Uncompressed or RLE-compressed; keeps icon files small due to small image size.

Lossless LZW; limited to 256 colors per frame.

Color Depth

Supports 1, 4, 8, 24, or 32 bits per pixel per icon entry.

Up to 8 bits per pixel (256 colors); no true alpha channel (binary transparency only).

File Size

Very small (a few KB) for typical icon resolutions (16×16, 32×32).

Small for simple graphics; grows with animation frames.

Advantages
  • Multi-resolution support in one file
  • Ideal for application icons and favicons
  • Minimal storage footprint
  • Built-in animation capability
  • Wide legacy browser support
  • Simple transparency handling
Disadvantages
  • Not suitable for detailed images
  • No animation support
  • Limited to icon-sized resolutions
  • Limited to 256 colors
  • Dithering artifacts possible
  • No partial transparency
Use Cases
  • Application and desktop icons
  • Website favicons
  • UI element icons
  • Simple web animations
  • Small banners or GIF icons
  • Legacy graphic support
Tooling & Ecosystem
  • Icon editors (IcoFX, Greenfish)
  • Visual Studio resource compiler
  • Windows Explorer preview
  • All major browsers
  • GIMP, Photoshop, Paint.NET
  • GIF animation tools

Why Convert ICO to GIF?

ICO files are perfect for icons but lack animation capabilities and broader use outside interface contexts. Converting to GIF lets you animate icons or use them as simple web graphics with widespread browser support.

GIF’s palette-based compression and support for multiple frames enable lightweight animations and effects, making your icons more dynamic on websites or in presentations. The conversion remains fast and preserves the small file size advantage.

If you need to repurpose Windows icons for web banners, animated UI elements, or email graphics, converting ICO to GIF ensures compatibility and adds motion to your visuals without sacrificing simplicity.