Extract text from compressed archives (ZZ)
To convert ZZ archives to another format, you need 7-Zip or other Compressed software.
To convert other file formats to the "Compressed Archive" file type, you need software like 7-Zip or a similar tool.
A .zz file is a highly fragmented file extension used primarily for compressed archives and data streams. It is most commonly associated with zlib compressed data, WinZix archives, or split volumes created by 7-Zip and WinRAR. It can also occasionally act as a container for compressed memory dumps generated by the Linux Memory Extractor (LiME).
The main disadvantage of the .zz format is its complete lack of standardization. A single .zz file could be a raw zlib stream, a renamed ZIP file, an obscure WinZix package, or a fragmented multi-part archive. Because it is not universally recognized by standard operating systems, native file explorers cannot open it. If you try to use a basic unzipping tool, you will likely encounter a frustrating "archive corrupted" or "unrecognized format" error.
To make the contents accessible and shareable, you must extract the data and repackage it into universally supported formats like ZIP, 7Z, or TAR. This guarantees cross-platform compatibility without relying on outdated or obscure compression utilities.
Because .zz can be an unpredictable or heavily wrapped format, standard online converters frequently fail to process it. They expect a standard archive header and crash when encountering raw zlib streams or proprietary WinZix data. We inspect the internal file signature to identify the true underlying format, allowing you to view embedded text or extract the contents when a supported structure is detected.
Convert.Guru analyzes your ZZ file, detects the exact format, and lets you read the text inside.
Users also converted 7Z, ZZZ, ZZS, ZIP, PAK, RK, DATA and EGP files.
If you want to convert ZZ file to ZIP, RAR, 7Z, TAR, GZ, BZ2, XZ, LZMA, CAB, ACE, ARJ or LHA, you can use 7-Zip or similar software from the "Compressed Archive Storage" 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 ZZ, try 7-Zip or another comparable tool in the "Compressed Archive Storage" category.
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 ZZ converter.