https://www.pdfhelp.net/txt-to-pdf
ViewCompanion Standard is a powerful, but easy to use, application for viewing, printing and converting plotter files. ViewCompanion can open PLT plotter files using HPGL, HPGL/2, KIPGL, HP-RTL and Calcomp languages. In addition to plotter files you can view, print and convert Adobe PDF, CGM, Autodesk DWF and Gerber files. Conversion to PDF, PDF/A, TIFF, CALS, DWF, DXF, PNG and several other formats are available. Annotate your files using the available markup tools which includes stamps, text, symbols, barcodes, dimension lines, measurement areas and