desktop files for compressing to 7zip and decompressing various filetypes.

readme.md

These two files go in ~/.local/share/kservices5/ServiceMenus/.

Mark as executable.

Ensure unar is installed for the decompression to work.

compress.desktop

[Desktop Entry]
Type=Service
Icon=ark
X-KDE-ServiceTypes=KonqPopupMenu/Plugin
MimeType=inode/directory;
Actions=compress;
Encoding=UTF-8

[Desktop Action compress]
Name=Compress Directory into 7zip
Icon=ark
Exec=7z a -mx0 %f.7z %f; rm -r %f

decompress.desktop

[Desktop Entry]
Type=Service
Icon=ark
X-KDE-ServiceTypes=KonqPopupMenu/Plugin
MimeType=application/zip;application/vnd.rar;application/x-7z-compressed;
Actions=decompress;
Encoding=UTF-8

[Desktop Action decompress]
Name=Decompress file into subdirectory
Icon=ark
Exec=unar %f; rm %f