ICO Converter
Convert ICO files to and from other formats right in your browser. Free, private and with no upload.
Drag and drop your files here
or click to browse local files (large files supported, limited only by browser RAM)
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What is a ICO file?
.ico (Windows Icon) is an image file format for computer icons, widely used as website favicons.
| Feature | ICO (Windows Icon) |
|---|---|
| Compression | lossless |
| Transparency | Yes |
| Animation | No |
| Best for | website favicons and Windows icons |
| Opens in | browsers, Windows and icon editors |
ICO is a image format.
Convert ICO to other formats (22)
Convert other formats to ICO (27)
Why convert here
- Your files never leave your device: conversion runs locally with WebAssembly.
- No sign-up, no watermark and no file size limit beyond your browser's memory.
- Batch conversion with parallel workers, plus quality, size and codec settings.
Looking for something else? Browse the full converter directory.