Asymmetric lossless compression built for ultra-fast decode
Publisher’s description
What is zxc?
zxc is an open-source archiver program for Windows from Bertrand Lebonnois. It ranks 41st by popularity among archivers in this catalogue. It is written in C.
Installation and requirements
Official installers exist for 64-bit as Portable. It runs without installation (portable).
Updates and version history
The current version is 0.15.0, released on October 13, 2026. 5 versions are listed since July 7, 2026, each with links to its own installer files. The last update is less than a month old.
Popularity and file types
The source code on GitHub (hellobertrand/zxc) has 514 stars. Similar programs include 7-Zip, PeaZip and Zstandard.
Project description on GitHub: “Lossless compression C library built for ultra-fast decode. Faster than LZ4 (+35% to 105%+; best on ARM64), at a better ratio. Official Rust, Python, Node.js, Go and WASM bindings. Write-once/read-many, with optional seekable archives for O(1) random access.”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
- Updated in the last two months
Cons
- No native ARM64 build
In short: zxc is an open-source archiver tool for 64-bit PCs.
Is zxc 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:
41B1E3EA854A4B54A8957725BBAF4BC8111E09A7914D283FA422281DA17D8407· 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
Security practices (OpenSSF Scorecard)
Automated checks of the hellobertrand/zxc repository on GitHub by the Open Source Security Foundation, last run on October 23, 2026.
- Actively maintained10
- Security policy10
- No binaries in the repository10
- Dependency update tool10
- No dangerous workflows10
- Restricted token permissions10
- No known vulnerabilities10
- Signed releases10
- Fuzzing10
- Published packages10
- Static code analysis10
- Tests in CI10
- Pinned dependencies9
- Licence declared9
- OpenSSF Best Practices badge5
- Code review1
- Contributors from several organisations0
The score rates how the project is developed and released, not whether the program is safe to install. scorecard.dev
Recent versions
All 5 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.15.0Latest | October 13, 2026 | — | 64-bit ZIP |
| 0.14.1 | September 21, 2026 | — | 64-bit ZIP |
| 0.14.0 | September 8, 2026 | — | 64-bit ZIP |
| 0.13.3 | August 20, 2026 | — | 64-bit ZIP |
| 0.12.0 | July 7, 2026 | — | 64-bit ZIP |
Install from the command line
Silent install ›winget install --id hellobertrand.zxc -eRelated guide: How to use winget: install and update apps
Also for other systems
brew install zxcInformation
- Publisher
- Bertrand Lebonnois
- Category
- Archivers
- Licence
- BSD-3-Clause
- Price
- Free
- Source code
- github.com/hellobertrand/zxc
- Written in
- C
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- Portable
- Version
- 0.15.0
- Released
- October 13, 2026
- Added to the catalogue
- July 7, 2026
- Versions listed
- 5
- GitHub stars
- 514
- GitHub forks
- 13
- winget ID
- hellobertrand.zxc
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is zxc free?
Yes. zxc is open-source software under the BSD-3-Clause licence.
Is zxc 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 zxc 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.
Does zxc 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 zxc?
The versions page lists all 5 versions with links to their official installer files, back to July 7, 2026.
Can I use zxc without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to zxc?
7-Zip, PeaZip, Zstandard, WinRAR and UPX. The alternatives page compares them.