CompactGUI AlternativesFile Compressors and other similar apps like CompactGUI

Apps similar to CompactGUI include Game Compressor. It's paid, but Compactor and WinDriveSpace are free. In total there are three File Compressors like CompactGUI for Windows.

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CompactGUI alternatives page was last updated Aug 14, 2026

Game Compressor
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Stop deleting games due to low disk space! Game Compressor uses advanced Windows LZX technology to reduce game file sizes by up to 50%.
Cost / License
Paid
Proprietary
Application type
File Compressor
Platforms
Windows
Good alternative?Is Game Compressor a good alternative to CompactGUI?
Compactor
3 likes
With modern lightweight compression algorithms running at gigabytes per second per core, it's practically a no-brainer to apply them to filesystems to make better use of storage and IO.
Cost / License
Free
Open Source (MIT)
Application type
File Compressor
Platforms
Windows
Good alternative?Is Compactor a good alternative to CompactGUI?

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1comment
Compactor vs CompactGUI Comments
Positive comment by techkyle · Aug 21, 2021
Both are front-end GUIs for the Windows utility compact.exe, so they perform the same role. Both have intuitive GUIs, are portable, provide the ability to analyze folders to check for existing compression. CompactGUI pulls ahead a bit with awareness of Steam folders and the ability to estimate compressed size of folders based on other users results online. Compactor has a better breakdown pre-analysis of what is compressible and is a little quicker to navigate around the UI.
1 of 1 comments
Compactor is Free and Open SourceCompactGUI is also Free and Open Source
WinDriveSpace
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WinDriveSpace frees disk space by compressing suitable files with Windows' built-in file compression, without deleting files.
Cost / License
Free
Proprietary
Platforms
Windows
Good alternative?Is WinDriveSpace a good alternative to CompactGUI?

3 of 3 CompactGUI alternatives