Install advancecomp by entering the following commands in the terminal:
sudo apt update sudo apt install advancecomp
collection of recompression utilities
AdvanceCOMP contains recompression utilities for your .zip archives, .png images, .mng video clips and .gz files. . For recompression, 7-Zip (http://www.7-zip.com) is used, which generally gives 5-10% more compression than zLib.