Information about the .gz (gz) file type

Below is all the information we have available on file about the .gz (gz) file type.

Unix compressed file. File format is also found on Windows systems, but less frequently. On Unix use gunzip to decompress.

The following links provide further information related to the .gz file extension:

  • - Gzip home page, includes download for gzip (free) which will decompress .gz files for a range of different operating systems. Gzip can also be used to create .gz compressed files. (Superseded by
  • - GZip file format specification.
  • - Download for UnZip and Zip, free utilities for unzipping (or zipping .gz files). Provides free Zip and un-zip utilities for a range of different operating systems, and links to further information and other zip related sites.

Where this is available we would like to include file format information on .gz files, as well as information on how to view or open files of type .gz. If you know of any information which we have missed then please let us know.