Click the "Select File" button above, and choose your PT3 file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert PT3 to another file type
To convert PT3 point clouds to another format, you need Topcon Tools or other GIS software.
Convert a file to PT3
To convert other file formats to the "Surveying Point Cloud" file type, you need software like Topcon Tools or a similar tool.
About PT3 files
A .PT3 file is most commonly a Topcon 3D Point Cloud file created by surveying equipment from Topcon Corporation. These files contain highly accurate 3D spatial data used in land surveying, civil engineering, and construction. Because the .PT3 format is proprietary, it is difficult to open without specialized software like Topcon Tools or MAGNET Office. The files are often extremely large and cannot be natively imported into standard CAD programs like AutoCAD. To share this data with clients or integrate it into standard workflows, users must convert it to open point cloud formats like LAS, PTS, or XYZ. Another frequent use for the .PT3 extension is as a Pro Tracker 3 or Vortex Tracker II music module file. These retro audio formats contain sequenced music patterns and instrument samples. Modern media players and web browsers do not support these files. To listen to them on standard devices, you need to convert them to common audio formats like MP3 or WAV. Other minor uses include PicoHarp 300 time-tagged photon data files generated by PicoQuant hardware, and obsolete PostScript Type 3 fonts originally developed by Adobe. Online conversion of .PT3 files is challenging because most variations are strictly proprietary or rely on obscure, outdated specifications. Often, only the original authoring software can perfectly parse or export the data. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible.
Convert.Guru analyzes your PT3 file, detects the exact format, and lets you read the text inside.
If you want to convert PT3 file to INDD, QXP, PUB, PMD, PM6, PM7, PM8, PM9, PM10, PM11, OMP or P65, you can use Topcon Tools or similar software from the "3D Point Cloud Data" category. In the File menu, look for Save As… or Export….
To convert MDI, PUB, PDP, PM4, P65, COMIC, WEBTEMPLATE, PMD, SPUB, INDD, PM5 or QXP files to PT3, try Topcon Tools or another comparable tool in the "3D Point Cloud Data" category.
The PT3 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 PT3 converter.