Batch image and photo converter, compressor, resizer and apply watermark of all images in entire folder
Publisher’s description
What is Mass Image Compressor?
Mass Image Compressor by Cognirush Labs LLP is open-source Windows software. It is written in C#.
Installation and requirements
The publisher provides EXE (Inno Setup) installers for 64-bit Windows. A silent install is possible with the installer’s documented switches.
Updates and version history
The current version is 4.2.2, released on March 27, 2026. The version history goes back to May 20, 2025: 5 releases, all linked to the official files.
Popularity and file types
The source code on GitHub (Cognirush-Labs-LLP/icompress-win) has 54 stars.
Project description on GitHub: “Convert, Compress, Optimize Images in Bulk with Mass Image Compressor (Windows)”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
Cons
- No native ARM64 build
In short: Mass Image Compressor is an open-source Windows tool for 64-bit PCs. Administrators can deploy it unattended.
Is Mass Image Compressor safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
02A5615642B95E043AA853E72B0819F27C55A858F80A8A0D40F3CF127CA546F5· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 5 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 4.2.2Latest | March 27, 2026 | — | 64-bit EXE (Inno Setup) |
| 4.2.0 | October 6, 2025 | — | 64-bit EXE (Inno Setup) |
| 4.1.0 | July 31, 2025 | — | 64-bit EXE (Inno Setup) |
| 4.0.2 | July 26, 2025 | — | 64-bit EXE (Inno Setup) |
| 4.0.1 | May 20, 2025 | — | 64-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id Cognirush.MassImageCompressor -eMassImageCompressorInstallerV4_2_2.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Related guide: How to use winget: install and update apps
Information
- Publisher
- Cognirush Labs LLP
- Licence
- AGPL-3.0 License
- Price
- Free
- Source code
- github.com/Cognirush-Labs-LLP/icompress-win
- Written in
- C#
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (Inno Setup)
- Version
- 4.2.2
- Released
- March 27, 2026
- Added to the catalogue
- May 20, 2025
- Versions listed
- 5
- GitHub stars
- 54
- GitHub forks
- 2
- Website
- github.com
- winget ID
- Cognirush.MassImageCompressor
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is Mass Image Compressor free?
Yes. Mass Image Compressor is open-source software under the AGPL-3.0 License licence.
Is Mass Image Compressor safe to download?
The download comes from github.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 Mass Image 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 Mass Image Compressor be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does Mass Image Compressor run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of Mass Image Compressor?
The versions page lists all 5 versions with links to their official installer files, back to May 20, 2025.