Differ is a modern desktop application for file comparison and merging. It supports side-by-side diff with syntax highlighting, three-way merge with conflict detection, recursive directory comparison, and AST-based syntax-aware hunk regrouping.
Publisher’s description
What is Differ?
Differ by peterfei is open-source Windows software in the developer utilities category. It is written in TypeScript.
Installation and requirements
The publisher provides MSI installers for 64-bit Windows. A silent install is possible with the installer’s documented switches. An MSI package is available for deployment with Group Policy, Intune or Configuration Manager.
Popularity and file types
The source code on GitHub (peterfei/differ) has 6 stars. Similar programs include WinMerge, jq and x64dbg.
Project description on GitHub: “A visual diff tool with syntax-aware diffing, directory comparison, and three-way merge support”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- MSI package for managed deployment
- Documented silent install
Cons
- No native ARM64 build
In short: Differ is an open-source developer utilitie tool for 64-bit PCs. Administrators can deploy it unattended.
Is Differ 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:
6429A62072BE4DCD0EEB0895197CB38A5404D33DC0B83728CE7B652A527C84D2· 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 |
|---|---|---|---|
| 0.2.0Latest | June 15, 2026 | — | 64-bit MSI |
Install from the command line
Silent install ›winget install --id peterfei.Differ -emsiexec /i Differ_0.2.0_x64_en-US.msi /qn /norestartmsiexec /x {2FF1A02B-5122-4A44-B252-17D288F77928} /qn /norestartRelated guide: How to use winget: install and update apps
Information
- Publisher
- peterfei
- Category
- Developer utilities
- Licence
- MIT
- Price
- Free
- Source code
- github.com/peterfei/differ
- Written in
- TypeScript
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- MSI
- Version
- 0.2.0
- Released
- June 15, 2026
- Added to the catalogue
- June 15, 2026
- Versions listed
- 1
- GitHub stars
- 6
- GitHub forks
- 1
- Website
- github.com
- winget ID
- peterfei.Differ
- MSI product code
- {2FF1A02B-5122-4A44-B252-17D288F77928}
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is Differ free?
Yes. Differ is open-source software under the MIT licence.
Is Differ 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 Differ 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 Differ be installed silently?
Yes. The silent install page lists the exact command for each installer, including msiexec for the MSI package.
Does Differ run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
What are alternatives to Differ?
WinMerge, jq, x64dbg, Difftastic and delta. The alternatives page compares them.
