YAHB is a deduplicating file copy tool, intended for backup use. Deduplication works on the file-level with NTFS hardlinks.
Publisher’s description
What is YAHB?
YAHB is an open-source backup & recovery program for Windows from asdfjkl. It is written in C#.
Installation and requirements
Official installers exist for 64-bit and 32-bit as Portable and EXE (Inno Setup). Installation asks for administrator rights. The installer supports unattended (silent) installation.
Updates and version history
The current version is 1.1.0.0, released on December 17, 2025. 3 versions are listed since April 9, 2024, each with links to its own installer files. That is about 1.8 releases a year.
Popularity and file types
The source code on GitHub (asdfjkl/yahb) has 13 stars. Similar programs include restic, UrBackup Client and Duplicacy Command Line Version.
Project description on GitHub: “Deduplicating File-Copy/Backup Tool (Commandline)”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
Cons
- No native ARM64 build
- Installation needs administrator rights
In short: YAHB is an open-source backup & recovery tool for 64-bit and 32-bit PCs. Administrators can deploy it unattended.
Is YAHB 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:
EB2E66F20D876FA227DF1A9A321AD54CDFC2624ED67DFBA43F7E02788B940719· 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 3 versions ›3 versions over 2 years · about 1.8 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 1.1.0.0Latest | December 17, 2025 | — | 32-bit EXE (Inno Setup)64-bit ZIP |
| 1.0.9.0 | November 25, 2024 | — | 64-bit EXE (Inno Setup) |
| 1.0.8.0 | April 9, 2024 | — | 64-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id asdfjkl.YAHB -eyahb_setup.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Related guide: How to use winget: install and update apps
Information
- Publisher
- asdfjkl
- Category
- Backup & recovery
- Licence
- GPL-3.0
- Price
- Free
- Source code
- github.com/asdfjkl/yahb
- Written in
- C#
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, 32-bit
- Installer
- Portable, EXE (Inno Setup)
- Version
- 1.1.0.0
- Released
- December 17, 2025
- Added to the catalogue
- April 9, 2024
- Versions listed
- 3
- Updates / year
- 1.8
- GitHub stars
- 13
- GitHub forks
- 2
- Website
- github.com
- winget ID
- asdfjkl.YAHB
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is YAHB free?
Yes. YAHB is open-source software under the GPL-3.0 licence.
Is YAHB 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 YAHB 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 YAHB be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does YAHB run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit and 32-bit version through emulation.
Where can I download an older version of YAHB?
The versions page lists all 3 versions with links to their official installer files, back to April 9, 2024.
What are alternatives to YAHB?
restic, UrBackup Client, Duplicacy Command Line Version, Veeam Agent for Microsoft Windows and TeraCopy. The alternatives page compares them.
