7-Zip ZS
7-Zip ZS is a free and open source file archiver software. It supports multiple compression and encryption algorithms and is available for Windows, Linux and Mac devices.
7-Zip ZS: Free File Archiver for Windows, Linux, and Mac
Free and open source file archiver software supporting multiple compression and encryption algorithms available for Windows, Linux, and Mac devices
What is 7-Zip ZS?
7-Zip ZS is a powerful and free file archiving solution for compressing and encrypting files and folders. It supports a wide range of popular compression formats including 7z, ZIP, GZIP, BZIP2, TAR and more. Some key features include:
- Open source software available for Windows, Linux and macOS
- High compression ratios to reduce file sizes
- 256-bit AES encryption for securing sensitive data
- Integration with file managers for context menu access
- Command line interface for advanced usage
- Supports multiple CPU cores for fast compression
7-Zip ZS is highly customizable and allows full control over compression settings. It can recursively compress entire folder structures while retaining original permissions and attributes. The 7z archive format provides efficient storage and portability across platforms. An advanced right-click menu provides quick access to frequently used operations.
With its versatile features, high performance and active development community, 7-Zip ZS is an excellent free alternative to paid solutions like WinRAR for compressing and archiving files.
7-Zip ZS Features
Features
- High compression ratio
- Support for many archive formats (7z, XZ, BZIP2, GZIP, TAR, ZIP, WIM, AR, CAB, ISO, LZH, RAR)
- Encryption support
- Integration with Windows Explorer
- Command line interface
- Plugins for FAR Manager
Pricing
- Open Source
Pros
Free and open source
Cross-platform availability
High performance
Active development and support
Cons
No native disk spanning support
Limited documentation
Steep learning curve for advanced features
Official Links
Reviews & Ratings
Login to Review4.3
★
★
★
★
★
8 reviews
Rating Breakdown
Ease of Use
★
★
★
★
★
3.5
Features
★
★
★
★
★
5.0
Value for Money
★
★
★
★
★
5.0
Customer Support
★
★
★
★
★
2.9
Overall Experience
★
★
★
★
★
4.5
Recent Reviews
mwalker1723
Mar 17, 2026
★
★
★
★
★
A power user's tool with some rough edges
As a free, open-source tool, 7-Zip ZS offers incredible compression ratios and support for niche formats like Zstandard, which is fantastic for my technical projects. However, its interface is dated and confusing for basic tasks compared to more polished competitors, …
liamweb931
Mar 15, 2026
★
★
★
★
★
A Power User's Archiving Workhorse
For a free, open-source tool, 7-Zip ZS is shockingly powerful. It handles the new 7z format with LZMA2 compression brilliantly, offering me much smaller archives than the standard 7-Zip for large media files. While the interface is classic 7-Zip, the …
mwhite9090
Mar 12, 2026
★
★
★
★
★
Reliable, powerful, and completely free. 7-Zip ZS handles everything I throw at it.
After years of using various archiving tools, I've settled on 7-Zip ZS as my go-to. It opens and creates all the major archive formats I encounter, including 7z, ZIP, and RAR files, and the newer algorithms like Zstandard offer fantastic …
llopez1994
Mar 11, 2026
★
★
★
★
★
Powerful but Complex
7-Zip ZS is great for supporting many compression formats and offering strong encryption, but it's not the most user-friendly tool. The interface feels a bit dated and some advanced features are buried in menus, which can be frustrating for casual …
L
liamweb62
Mar 10, 2026
★
★
★
★
★
A Powerful, Free Archiver That's My Go-To Tool
As someone who frequently handles large datasets and needs secure compression, 7-Zip ZS has been a game-changer. The extra algorithm options like Zstandard and Brotli provide fantastic compression ratios and speed, noticeably better than the standard version for my use …
Rating Distribution
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