Keka
Zip, unzip and password-protect archives on a Mac, including the .rar and .7z files Finder cannot open.
Cost
Completely free
Free from the developer's site. A paid App Store listing exists purely to support development; the app is the same.
Open source
Yes
The code is public. Anyone can inspect it, and it cannot be taken away from you.
Your data
Stays on your computer
Nothing is uploaded. This matters for anything confidential.
Use it for this
Mac users who hit a file format their computer refuses to open. Does the same job 7-Zip does on Windows.
Do not use it for this
Windows or Linux — use 7-Zip there.
A moment where you would reach for it
Opening a .rar of course material that macOS silently refuses to touch.
How hard is it to pick up?
Anyone can use this on day one.
Worth knowing before you use it
Runs entirely on your Mac. Nothing is uploaded.
Other things that do this job
No tool is best at everything. These solve a similar problem, with different trade-offs.
About this entry
Checked on 1 Sept 2026. Prices and free limits change without warning, and often quietly. Treat everything above as a starting point and confirm on the official site before you rely on it.
Nothing here is sponsored. A tool appears because it solves a real problem, not because someone paid for it to be listed.