Convert Bench
ICNS format guide
ICNS is the macOS icon format used by Apple software and desktop packages.
ICNS packages icon artwork for Apple environments and is commonly used for Mac apps and desktop presentation.
Support status
ICNS is currently exposed as both an input format and an output format in the Convert Bench interface.
You can upload supported files of this format, choose a compatible output, and convert directly from the main flow.
Best for
- macOS application icons
- Apple desktop assets
- Cross platform icon packaging
On Convert Bench
ICNS plays a fairly flexible role on Convert Bench because it can be used both as an input format and as an output format.
If you start with ICNS, some of the direct outputs currently available include SVG, BMP, ICO, IFF, JPEG, and more. Going the other direction, formats such as BMP, ICO, IFF, JPEG, PICT, and more can also end up as ICNS.
Convert ICNS to
20Convert to ICNS from
20When this format is a good fit
ICNS is mainly for Mac-facing icon work. If the target is a macOS app bundle, an Apple desktop environment, or cross-platform packaging that needs a native Mac icon asset, ICNS is the format people usually expect.
What to know before converting
Like ICO, ICNS is specialized. It is not a strong final format for ordinary photos or page graphics, and it works best when the input artwork is already designed with icon scale, contrast, and simplified shapes in mind.
Practical conversion notes
- Use a clean, centered input image so the icon still reads well in small Finder and dock previews.
- If you are preparing icons for both Windows and macOS, convert from the same master artwork instead of recycling a low-resolution icon export.
- ICNS works in both directions on this site, so compare output choices before converting and keep the original file until you are happy with the result.
Ready to convert?
Return to the homepage, upload your files, choose a compatible output format, and download the converted result when processing finishes.