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 Review4.2
★
★
★
★
★
11 reviews
Rating Breakdown
Ease of Use
★
★
★
★
★
3.3
Features
★
★
★
★
★
4.9
Value for Money
★
★
★
★
★
5.0
Customer Support
★
★
★
★
★
2.8
Overall Experience
★
★
★
★
★
4.2
Recent Reviews
Phoenix Harris
Apr 15, 2026
★
★
★
★
★
Frustrating Interface and Spotty Compatibility
While 7-Zip ZS packs powerful compression algorithms, its clunky and unintuitive interface makes simple tasks a chore. I've had several archives fail to extract properly on macOS, which defeats the purpose of a cross-platform tool. For a free product, the …
Casey Thomas
Apr 07, 2026
★
★
★
★
★
Powerful but Primitive - A Specialist's Tool
7-Zip ZS offers incredible compression ratios with its Zstandard and other advanced algorithms, which is fantastic for archiving large media files. However, the interface feels like it hasn't been updated since Windows 98, making basic tasks unintuitive compared to modern …
Lisa Miller
Apr 05, 2026
★
★
★
★
★
A Powerful and Flexible Archiver for Power Users
As someone who regularly works with large datasets and various archive formats, 7-Zip ZS has been a game-changer. The inclusion of modern compression algorithms like Zstandard and Brotli allows me to achieve significantly better compression ratios and speeds for my …
Morgan Walker
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, …
Liam Lee
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 …
Rating Distribution
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