Image compression program
Publisher’s description
What is OIMG?
OIMG is an open-source program for Windows from Yunho Cho. It is written in Dart.
Installation and requirements
Official installers exist for 64-bit as EXE (Inno Setup). It can be installed for the current user only, without administrator rights. The installer supports unattended (silent) installation.
Updates and version history
The current version is 0.1.4, released on August 16, 2026. 2 versions are listed since May 14, 2026, each with links to its own installer files.
Popularity and file types
The source code on GitHub (yunho-c/OIMG) has 3 stars.
Project description on GitHub: “Powerful and performant image compressor”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Installs without administrator rights
Cons
- No native ARM64 build
In short: OIMG is an open-source Windows tool for 64-bit PCs. Administrators can deploy it unattended.
Is OIMG 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:
495E7797567CA69C7E9DFDEEACC06F592782ED4BC0CA0370D2297643AF18C56F· 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 2 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.1.4Latest | August 16, 2026 | — | 64-bit EXE (Inno Setup) |
| 0.1.2 | May 14, 2026 | — | 64-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id YunhoCho.OIMG -eOIMG-0.1.4-windows-x64-setup.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Related guide: How to use winget: install and update apps
Information
- Publisher
- Yunho Cho
- Licence
- GPLv3
- Price
- Free
- Source code
- github.com/yunho-c/OIMG
- Written in
- Dart
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (Inno Setup)
- Version
- 0.1.4
- Released
- August 16, 2026
- Added to the catalogue
- May 14, 2026
- Versions listed
- 2
- GitHub stars
- 3
- GitHub forks
- 1
- winget ID
- YunhoCho.OIMG
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is OIMG free?
Yes. OIMG is open-source software under the GPLv3 licence.
Is OIMG 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 OIMG 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 OIMG be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does OIMG 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 OIMG?
The versions page lists all 2 versions with links to their official installer files, back to May 14, 2026.
Can I use OIMG without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.