Like many open-source utilities, the UI is functional rather than flashy. It prioritizes speed and utility over modern aesthetics.
True to the p7zip legacy, it handles almost every format you throw at it, including 7z, ZIP, GZIP, BZIP2, and TAR, as well as extracting RAR and ISO files. KM-P.7z
If you want a no-nonsense, reliable archiver that you can carry anywhere, KM-P.7z is one of the best options available. It’s a powerful, nice piece of work that gets the job done efficiently. p7zip Reviews - 2026 - SourceForge Like many open-source utilities, the UI is functional
The LZMA and LZMA2 compression algorithms remain some of the best in the industry, often significantly outperforming standard ZIP utilities in terms of file size reduction. Like many open-source utilities