Each file stays available at its link for 48 hours and is then deleted from our server automatically. You can delete it earlier at any time.

No files yet. Files you convert appear here and stay available for 48 hours.

ICO File Format

ICO is the Windows icon format, used for program icons and website favicons; one file can hold several sizes.

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Maximum 1 GB

ICO at a Glance

Type	Images
Full name	Windows Icon
File extensions	.ico
MIME type	`image/vnd.microsoft.icon`
Developed by	Microsoft
Introduced	1985

Convert ICO to Other Formats

Convert Other Formats to ICO

Frequently Asked Questions

What is ICO used for?

ICO is the icon format of Windows and of website favicons.

How do I open ICO files?

ICO files open in Windows Photos, GIMP, IcoFX. If you don't have such a program, convert the file to a format you can open with the converter on this page — free and without registration.

How do I convert ICO files?

Drop the file into the converter at the top of this page, choose the output format and click "Convert". Files are deleted from our server automatically after 48 hours.

Is it free?

Yes, all converters are free, with no registration and no watermark.

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