Software Companions - Gerber and HPGL Viewers

PLT Viewer and Converter

PLT Viewer and Converter

View, print and convert PLT (plotter) files
Convert to PDF, DWF, DXF, CALS, JPEG, TIFF and more

ViewCompanion can view, print and convert your PLT files and other formats.

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PLT Viewer and Converter

Software Companions delivers three different plot file viewers: ViewCompanion Standard, Pro and Premium.
All of them can view, print and convert HPGL, HPGL-2, HP-RTL and Calcomp formatted plotter files (PLT).
Using ViewCompanion you can:

  • Open PLT (plotter) files and other formats, including Adobe PDF, CGM and Autodesk DWF.
  • Convert your files to Adobe PDF, TIFF, JPEG, CALS, DWF, DXF and other formats.
  • Print to all plotter or printer devices supported by Windows.
  • Do precise measurements on the drawing with snap to geometry.
  • Compare two files and visualize the differences.
  • Use the command line interface for conversion and printing.
  • Do batch print and conversion.
  • With the Pro and Premium editions you can add markup elements like text, stamp, symbol, picture, barcode, polygon and more.
  • and much more...

The Pro and Premium editions add a markup feature, and support for additional file formats.
Please read the different product descriptions for more information:

Read more about ViewCompanion Standard
Read more about ViewCompanion Pro
Read more about ViewCompanion Premium

You can find a ViewCompanion family comparison chart, that list the main differences between the editions, here:

ViewCompanion Family Comparison Chart

A fully functional evaluation copy can be downloaded from our web site. The downloaded product will run in evaluation mode
for a period of 30 days. After the trial period you're required to purchase a license, if you want to continue to use the product.

Download a 30-days trial now


Do you need to add conversion of PLT files to your own application, or WEB server?

ScConverter may be what you're looking for; it can easily be integrated using either COM, or ordinary DLL import.
scConverter can convert PLT, CGM, DWF, TIFF, Gerber and other formats, to an extensive list of output formats which includes PDF, DXF, TIFF, PNG, JPG and DWF.
A complete list of input and output formats can be found on the product homepage:

scConverter Conversion DLL / SDK