What is an HPL file?
An .HPL file can belong to several different software programs. The most common use is a vehicle performance data log file created by HP Tuners VCM Scanner. Automotive technicians use this software to record engine data.
Another frequent format is the HP-GL Plotter File. Hewlett-Packard developed the Hewlett-Packard Graphics Language (HP-GL) to send vector graphics to pen plotters. Some .HPL files store these printing instructions.
Other specialized software can also create .HPL files. These include job files from Hilti PROFIS Anchoring and Doppler Lidar data files from Halo Photonics used in WindPRO.
How to open HPL files?
Because .HPL files have multiple uses, you must know the file origin to open it correctly. If the file is a vehicle data log, you need HP Tuners VCM Scanner. If the file is an HP-GL Plotter File, you can open it with CAD software like AutoCAD or CorelDRAW.
If your .HPL file is a text-based plotter file, you can inspect it with a text editor like Notepad++. However, vehicle log files and Hilti job files usually contain binary data that is unreadable in a text editor.
Best practices and troubleshooting
Do not change the .HPL file extension to force it to open. This does not change the actual file format. If you open an .HPL file in a text editor and see random symbols, you are likely trying to read a binary data file.
Because the extension has multiple possible meanings, we recommend using viewer.online/hpl to identify the actual format of your file. viewer.online/hpl can analyze .HPL files to identify the exact format and creator software, inspect the file structure, extract readable text, and check whether an online preview is available.
Summary
An .HPL file can be a vehicle data log, a vector graphics plotter file, or specialized engineering data. viewer.online/hpl is useful for identifying, inspecting, and understanding .HPL files without installing software or dealing with compatibility problems.