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Supported: image/*
Privacy guaranteed. All conversion runs locally in your browser - your files never leave your device.
About ICO Files
- ICO files contain multiple image resolutions in a single file
- Commonly used for website favicons and Windows application icons
- Alpha transparency is preserved for transparent backgrounds
- All processing happens locally in your browser
- Recommended: Include 16×16, 32×32, and 48×48 for best compatibility