.ico Windows icon
Images
| MIME type | image/vnd.microsoft.icon |
|---|---|
| Description | Windows icon |
| Category | Images |
| Signature (magic bytes) | 00 00 01 00 (....) |
Frequently asked questions
What is a .ico file?
A .ico file is a “Windows icon” (MIME type image/vnd.microsoft.icon).
How do I open a .ico file?
With any image viewer that supports the format – the Photos app on Windows, Preview on macOS, Eye of GNOME or GIMP on Linux. For unusual formats a converter such as ImageMagick helps.
How can you tell a genuine .ico file?
By the bytes at the start of the file, the signature (magic bytes): 00 00 01 00 (....). On Linux and macOS, file --mime-type example.ico checks the real type regardless of the extension.
Which MIME type belongs to .ico?
The MIME type is image/vnd.microsoft.icon. In the Apache web server: AddType image/vnd.microsoft.icon .ico; in nginx: types { image/vnd.microsoft.icon ico; }.