ZLG Converter

Extract text from Storage diagnostic logs (ZLG)


Drop or upload your .ZLG file

How to extract text from your ZLG file

  1. Click the "Select File" button above, and choose your ZLG file.
  2. You’ll see a preview, if available.
  3. Click the "Convert file to..." button to extract text information.

Convert ZLG to another file type

To convert ZLG Log files to another format, you need Fujitsu ETERNUS or other System software.

Convert a file to ZLG

To convert other file formats to the "Diagnostic Log Archive" file type, you need software like Fujitsu ETERNUS or a similar tool.


About ZLG files

The .ZLG file functions primarily as a proprietary diagnostic log archive generated by Fujitsu ETERNUS storage systems. These files record low-level system events, hardware error codes, and performance telemetry necessary for troubleshooting enterprise storage arrays. A smaller subset of .ZLG files are used as management data files by Zucchetti Group software or as execution logs for specialized Z80 emulators.

Administrators usually process these files using proprietary support utilities or viewers like ZLG Viewer. Because the .ZLG format is a closed, proprietary standard, it presents massive disadvantages for standard IT workflows. The files are not natively supported by web browsers, standard text editors, or universal log parsers. The data is often compressed or binary-encoded, meaning users cannot easily read the telemetry or share the data with third-party analytics platforms without encountering formatting errors.

Users typically want to convert .ZLG files into universal formats like TXT, CSV, or ZIP so the data can be analyzed in tools like Microsoft Excel. Standard online converters consistently fail to process this closed format because they lack the specific parsing algorithms required to read Fujitsu's proprietary data structure.

Convert.Guru analyzes your ZLG file, detects the exact format, and lets you read the text inside.

Users also converted HWL, GBD and SLG files.


FAQ

If you want to convert ZLG file to , you can use Fujitsu ETERNUS or similar software from the "Hardware Diagnostic Log Storage" category. In the File menu, look for Save As… or Export….

To convert files to ZLG, try Fujitsu ETERNUS or another comparable tool in the "Hardware Diagnostic Log Storage" category.



The ZLG 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 ZLG converter.