A free game ISO file compression software, which can compress and convert normal ISO image files to compressed image format CSO (CISO) files, or decompress CSO files to normal ISO files. This software can support both Sony PlayStation games files and Nintendo games files. If you are a PSP games or Wii games fan, this software will be very useful to you. By using this small tool, you can easily compress your game files, reduce file size and save your disk space, then you can play these games from your memory stick. Although it is not designed with PS2 in mind, the program can also convert PS2 .iso-s, but only if they are less than circa 2.0 GB.
Publisher’s description
What is ISO Compressor?
ISO Compressor is a free system utilitie program for Windows from SoftSea.
Installation and requirements
Official installers exist for 32-bit as EXE (Inno Setup). Installation asks for administrator rights. The installer supports unattended (silent) installation.
Popularity and file types
On Windows it registers 4 file types, including .iso, .ciso, .wbfs and .cso. Similar programs include AutoHotkey, Bazel and osquery.
Pros / Cons
Pros
- Free to use
- Documented silent install
Cons
- No native ARM64 build
- 32-bit only
- Installation needs administrator rights
- No update for more than a year
In short: ISO Compressor is a free system utilitie tool for 32-bit PCs. Updates have slowed down. Administrators can deploy it unattended.
Is ISO Compressor safe to download?
- The file is served by file1.softsea.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
7B03A981D89841028EA51093C1D0B20ECBBBD0A7A385C1505557B4DE665E2C81· Open the VirusTotal report for this hash - The link has not been checked yet
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 1.0Latest | January 4, 2014 | — | 32-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id SoftSea.ISOCompressor -eget.php /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Related guide: How to use winget: install and update apps
Information
- Publisher
- SoftSea
- Category
- System utilities
- Licence
- Freeware
- Price
- Free
- Requires
- Windows 11 / 10
- Architecture
- 32-bit
- Installer
- EXE (Inno Setup)
- Version
- 1.0
- Released
- January 4, 2014
- Added to the catalogue
- December 5, 2025
- Versions listed
- 1
- Website
- softsea.com
- winget ID
- SoftSea.ISOCompressor
File types it opens (4)
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is ISO Compressor free?
Yes. ISO Compressor is free to use.
Is ISO Compressor safe to download?
The download comes from file1.softsea.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install ISO Compressor with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can ISO Compressor be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does ISO Compressor run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 32-bit version through emulation.
What are alternatives to ISO Compressor?
AutoHotkey, Bazel, osquery, Simplenote and LocalSend. The alternatives page compares them.
