ICNS file format

Apple Icon Image

ICNS is the icon format of macOS apps and holds the same icon in several sizes. Windows and websites do not use it.

Convert ICNS to PNG

Where ICNS files open

Mac

Preview opens ICNS and shows every size.

Yes

Windows

Windows does not open ICNS.

No

Browsers

Websites cannot show ICNS.

No

Convert ICNS to

17 formats

Image

Document

PDF

Convert to ICNS

52 formats

Image

Other image formats