Click the "Select File" button above, and choose your GZI file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert GZI to another file type
To convert GZI archives to another format, you need Gzip or other Compressed software.
Convert a file to GZI
To convert other file formats to the "Gzip Compressed Archive" file type, you need software like Gzip or a similar tool.
About GZI files
The .GZI file is an uncommon extension for a Unix Gzip File, which is a compressed archive created using the open-source gzip (GNU zip) algorithm. It is primarily used on Unix and Linux systems to reduce file size for storage or faster network transfers. While identical in structure to standard .GZ files, the obscure .gzi extension can confuse modern decompression tools. Software like 7-Zip or WinZip can open these files on Windows, while Mac users might rely on the native Archive Utility. The primary problem with .GZI files is cross-platform compatibility. Windows lacks native file association for the extension, preventing users from double-clicking to extract the contents. Furthermore, gzip generally compresses only a single file; if multiple files need archiving, a .TAR file must be created first. In specialized fields like bioinformatics, a .gzi file acts as a binary index for a block-compressed Gzip file (bgzip), meaning it contains structural data rather than standard archived files. Users typically extract the .GZI file or convert it to universally recognized archive formats like .ZIP or .7Z. Converting to .ZIP ensures the archive can be opened natively on any modern operating system without third-party software, though some Unix-specific file permissions may be lost. Because it is a compressed archive, you cannot simply view the contents in a standard text editor. Standard online converters often fail to process .GZI files because they rely purely on the obscure extension name.
Convert.Guru analyzes your GZI file, detects the exact format, and lets you read the text inside.
FAQ
If you want to convert GZI file to ZIP, RAR, 7Z, TAR, GZ, BZ2, XZ, LZMA, CAB, ACE, ARJ or LHA, you can use Gzip or similar software from the "File Compression and Archiving" category. In the File menu, look for Save As… or Export….
To convert XXE, 7Z, Z, PAK, LHA, DEB, UUE, TAR, LZH, ZIP, PKG or RAR files to GZI, try Gzip or another comparable tool in the "File Compression and Archiving" category.
The GZI Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our GZI converter.