ICO format
Image · .ico · image/x-icon
The icon format used by Windows and by website favicons. A single file can hold several sizes at once.
- We can open it
- Yes
- We can create it
- Yes
- Maximum size
- 100 MB
Convert ICO to other formats
Convert other formats to ICO
Frequently asked questions
What is a ICO file?
The icon format used by Windows and by website favicons. A single file can hold several sizes at once.
How do I open a ICO file?
You can open it right here to convert it into something more convenient. If your computer does not recognise it, the practical move is to convert it to a universal format such as JPG or PNG.
What is the maximum ICO size here?
100 MB. Since conversion happens inside your browser, the limit comes from your device memory, not from a server.
Are my ICO files uploaded to a server?
No. All processing happens on your own device, so the file never leaves it.