Software Companions - Gerber and HPGL Viewers

CALS Viewer and Converter

CALS Viewer and Converter

View, print and convert your CALS files
Convert to PDF, TIFF, DWF, JPEG and more

ViewCompanion can view, print, annotate, convert CALS and other file formats.


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CALS Viewer

Using ViewCompanion you can:

  • Open CALS type I files.
  • Open CALS type II files.
  • Open TIFF, PNG, PLT, DWF, CGM and other formats.
  • Convert your files to Adobe PDF, TIFF, JPEG, DWF, PLT and other formats.
  • Print to all printers and plotters supported by Windows operating system.
  • Do batch convert and print.
  • Use the command line interface for conversion and printing.
  • Annotate your file using text, stamps, symbols, barcodes, polygons etc.
  • And much more

ViewCompanion with CALS support is available as two different editions: Pro and Premium.
The Premium edition adds advanced tools like scanning, image deskew and resizing.
Please read the more about the two editions using the links below:


ViewCompanion Pro
ViewCompanion Pro
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Purchase information

ViewCompanion Premium
ViewCompanion Premium
Learn more
Purchase information

download free trial
Download a 30-days trial now
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. If you want to continue to use the product after this period, you're required purchase a license.