You can insert the “Run program” action to use 7zip to unzip .gz files. See here an example: Bzip2 or gzip format - #3 by clamur
Modify the 7zip command in the example to unzip instead of zipping.
You can insert the “Run program” action to use 7zip to unzip .gz files. See here an example: Bzip2 or gzip format - #3 by clamur
Modify the 7zip command in the example to unzip instead of zipping.