GZ
GZ Archive
GZ is a single-file compression format based on the DEFLATE algorithm, widely used in Unix-like operating systems for compressing individual files.
What is GZ Archive?
The .gz format is created using the GNU gzip utility, developed by Jean-loup Gailly and Mark Adler. Unlike ZIP or TAR, standard GZ compresses only a single file rather than an entire directory structure. It is frequently combined with the TAR format (creating .tar.gz or .tgz files) to bundle and compress multiple files simultaneously, making it a staple for software distribution and server backups.
Advantages
- High compression ratio for text and log files
- Standardized format natively supported across Linux and macOS
- Ideal for streaming compression and decompression
- Efficient integration with TAR archives
Limitations
- Compresses only a single file per archive
- Lacks native file management features like encryption or multi-volume splitting without external tools
- Slower compression speed compared to newer algorithms like LZ4 or Zstandard
How to open GZ Archive files
7-Zip
WinRAR
GNU gzip
Apple Archive Utility
PeaZip
Common use cases
- Compressing log files on web servers
- Distributing source code and software packages on Linux
- Creating combined TAR.GZ archives for multi-file backups
- Reducing HTTP response sizes on web servers
Explore other formats
Frequently asked questions
A ZIP file can store multiple files and folders with directory structures and offers built-in archiving features. A GZ file typically compresses only a single file using the GNU zip algorithm, though it is often used alongside TAR to bundle multiple files.
You can open GZ files on Windows using free archive managers such as 7-Zip, WinRAR, or PeaZip.
Yes, you can easily convert GZ archives to ZIP, 7Z, RAR, or TAR formats using online tools like ConvertX.