CMYK is the four-ink color model used for professional printing. Unlike RGB (for screens), it describes how cyan, magenta, yellow and black inks combine on paper.
CMYK files open in print and design software like Photoshop, Illustrator and InDesign.
Accurate ink-based color on paper.
Machine-readable production files.
Layouts that look identical everywhere.
| ✔ Strengths | ✖ Limitations |
|---|---|
| Purpose-built for its niche | No transparency support |
Convert, compress and edit — free, in your browser.
Remove the background from CMYK images, upscale to 4K, or generate new visuals with SharkFoto AI.
CMYK is the four-ink color model used for professional printing. Unlike RGB (for screens), it describes how cyan, magenta, yellow and black inks combine on paper.
CMYK files open in print and design software like Photoshop, Illustrator and InDesign.
CMYK is optimised for its specific use rather than strictly lossless storage.
Use SharkFoto's free tools — upload your CMYK file and convert it to a more convenient format in seconds. It's free, processed securely and never stored.
No — CMYK doesn't store transparency; convert to PNG or WEBP if you need it.