CompactGUI

I believe this app is only for Win 10. I do not know if it leaves registry keys behind or not or portable ?

Program:
CompactGUI

License:
GNU General Public License v3.0
https://github.com/ImminentFate/CompactGUI/blob/master/LICENSE

Description:
Use this tool to:
Reduce the size of games (e.g. Fortnite: 18.8GB > 10.2GB)
Reduce the size of programs (e.g. Adobe Photoshop: 1.71GB > 886MB)
Compress any other folder on your computer
Extra Features
Visual feedback on compression progress and statistics
Configurable list of poorly-compressed filetypes that can be skipped.
Online integration with community-sourced database to get compression estimates and analyses
Integration into Windows Explorer context menus for easier use.
Drag-and-drop functionality
Analyze the status of existing folders
Shutdown/restart/sleep on completion.

Website:
https://github.com/ImminentFate/CompactGUI

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