Make Windows 11 show full-size thumbnails for folders.
Publisher’s description
What is FolderThumbnailFix?
FolderThumbnailFix is an open-source program for Windows from Les Ferch. It is written in C#.
Installation and requirements
Official installers exist for 64-bit as Portable. It runs without installation (portable). It needs Windows 11 21H2 or newer.
Popularity and file types
The source code on GitHub (LesFerch/FolderThumbnailFix) has 195 stars.
Project description on GitHub: “Make Windows 11 show full-size folder thumbnails”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
Cons
- No native ARM64 build
In short: FolderThumbnailFix is an open-source Windows tool for 64-bit PCs.
Is FolderThumbnailFix 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:
52D819C0C539D9DFEB8496E83E081CA6D47E760FB6EC7BC3AF67D4BBA05733B4· 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 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 1.0.9Latest | January 5, 2026 | — | 64-bit ZIP |
Install from the command line
Silent install ›winget install --id LesFerch.FolderThumbnailFix -eRelated guide: How to use winget: install and update apps
Information
- Publisher
- Les Ferch
- Licence
- MIT
- Price
- Free
- Source code
- github.com/LesFerch/FolderThumbnailFix
- Written in
- C#
- Requires
- Windows 11 (Windows 11 21H2+)
- Architecture
- 64-bit
- Installer
- Portable
- Version
- 1.0.9
- Released
- January 5, 2026
- Added to the catalogue
- June 7, 2026
- Versions listed
- 1
- GitHub stars
- 195
- GitHub forks
- 3
- Website
- github.com
- winget ID
- LesFerch.FolderThumbnailFix
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is FolderThumbnailFix free?
Yes. FolderThumbnailFix is open-source software under the MIT licence.
Is FolderThumbnailFix 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 FolderThumbnailFix 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.
Which Windows versions does FolderThumbnailFix support?
The installer requires Windows 11 21H2 or newer and is available for 64-bit.
Does FolderThumbnailFix run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Can I use FolderThumbnailFix without administrator rights?
Yes, it is portable: unpack and run it.