A powerful shell extension allowing to preview enormous amount of image formats directly in Windows Explorer. Note that the program has not been updated since 2017 and lacks support for e.g. WebP and JPG2000.
Publisher’s description
What is SageThumbs?
SageThumbs is an open-source image viewer program for Windows from Cherubic Software. It ranks 30th by popularity among image viewers in this catalogue.
Installation and requirements
Official installers exist for 32-bit as EXE (NSIS). The main installer is 2.2 MB. The installer supports unattended (silent) installation.
Popularity and file types
The Chocolatey package has been downloaded 14,603 times. On Windows it registers 217 file types, including .pdf, .png, .jpg, .bmp and .jpeg. Similar programs include ImageGlass, Weasis and QuickLook.
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Small download (2.2 MB)
- Opens 217 file types
Cons
- No native ARM64 build
- 32-bit only
- No update for more than a year
In short: SageThumbs is an open-source image viewer tool for 32-bit PCs. Updates have slowed down. Administrators can deploy it unattended.
Is SageThumbs safe to download?
- The file is served by sourceforge.net; check that it is the publisher’s official mirror
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
705D743E28B487E34A4A7245A0DBC303A10E45BA0FD9E4DA4101C8CDF506839A· Open the VirusTotal report for this hash - The link answered when we last checked it (October 22, 2026)
- 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 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 2.0.0.23Latest | May 9, 2017 | 2.2 MB | 32-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id CherubicSoftware.SageThumbs -echoco install sagethumbs -ydownload /SRelated guide: How to use winget: install and update apps
Information
- Publisher
- Cherubic Software
- Category
- Image viewers
- Licence
- GPLv2
- Price
- Free
- Source code
- sourceforge.net
- Requires
- Windows 11 / 10
- Architecture
- 32-bit
- Installer
- EXE (NSIS)
- Version
- 2.0.0.23
- Released
- May 9, 2017
- Added to the catalogue
- June 24, 2021
- Versions listed
- 1
- Chocolatey downloads
- 14,603
- Website
- cherubicsoft.com
- winget ID
- CherubicSoftware.SageThumbs
- Chocolatey package
- sagethumbs
File types it opens (217)
Ratings and reviews
No reviews yet. Be the first to rate it.
Alternatives to SageThumbs
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Weasis4.7.3Weasis is a DICOM viewer available as a desktop application or as a web-based application.Open source482.7K ↓ -
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MSBuild Structured Log Viewer2.3.150A logger that can be passed to MSBuild to record a detailed log file and a WPF viewer app to view the log files in a tree form.Open source56.7K ↓ -
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JPEGView1.3.46.0Fork of JPEGView by David Kleiner - fast and highly configurable viewer/editor for images with a minimal GUI. Basic on-the-fly image processing is provided.Open source47.8K ↓ -
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Frequently asked questions
Is SageThumbs free?
Yes. SageThumbs is open-source software under the GPLv2 licence.
Is SageThumbs safe to download?
The download comes from sourceforge.net; 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 SageThumbs 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 SageThumbs be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does SageThumbs 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 SageThumbs?
ImageGlass, Weasis, QuickLook, MSBuild Structured Log Viewer and LogExpert. The alternatives page compares them.
