MAL Converter

Extract text from Surveying data and alarm logs (MAL)


Drop or upload your .MAL file
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How to extract text from your MAL file

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

Convert MAL to another file type

To convert MAL Logs to another format, you need Topcon Magnet Field or other Data software.

Convert a file to MAL

To convert other file formats to the "Surveying Data File" file type, you need software like Topcon Magnet Field or a similar tool.


About MAL files

A .MAL file is predominantly used as a proprietary surveying data file by Topcon and Model Maker Systems, or as a Machine Edition Alarm Log in Rockwell Automation software. Additionally, antivirus programs frequently rename dangerous EXE viruses to .MAL to quarantine them and prevent accidental execution. For surveying and engineering data, users rely on Topcon Magnet Field or Topcon Tools. Alarm logs are managed via Rockwell FactoryTalk View Studio. Quarantined files are locked by the antivirus suite that isolated them and can be analyzed safely using security platforms. Users often need to convert survey data to share coordinates and topologies with engineers using different CAD software. However, .MAL surveying files are heavily proprietary. They restrict your data to the Topcon ecosystem, forcing expensive software subscriptions. Alarm logs share a similar fate, locking critical machine telemetry inside closed Microsoft Compound structures. For engineering use, the best conversion targets are CSV for raw coordinate data or DXF for CAD integration. Alarm logs are best exported to TXT or CSV. Note that exporting outside the native software often drops proprietary metadata or specific machine configurations. This file format is notoriously difficult to open or convert online because the data is either deliberately disabled malware or tightly guarded by industrial software developers. Standard online converters fail to read the binary structures.

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

Users also converted MAP, TTP, VTP and TSL files.


FAQ

If you want to convert MAL file to , you can use Topcon Magnet Field or similar software from the "Surveying Data & Quarantined Malware" category. In the File menu, look for Save As… or Export….

To convert files to MAL, try Topcon Magnet Field or another comparable tool in the "Surveying Data & Quarantined Malware" category.



The MAL 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 MAL converter.