PloComp
PloComp displays HPGL/Vector/Image. It can display maximum of 20 file in piles or in arranges.
Display mode is overwrite, merge, undisplay, mirror at a file. This is useful for checking the product drawings by overlapping multiple drawings, such as printed wiring boards, or for comparing old and new drawings by recognizing changed areas using different colors or cloud marks.
Supports many file formats:
Input:
HP-GL, HP-GL/2, HP RTL, PDF, DXF, DWG, GERBER, NC-Drill, IGES, SXF, EMF, TIFF, JPEG, Bitmap, PCX, FPX, GIF, PNG
Output:
HP-GL, HP-GL/2, HP RTL, PDF, DXF, DWG, IGES, SXF, EMF, TIFF, JPEG, Bitmap, PCX, FPX, GIF, PNG, Printer, Plotter, WMF, PS, EPS, SVG, XPS, PCL, Copy to Clipboard (black and white, color)
It has same powerful input and edit function as 2D-CAD, it can read view file and edit.
All the function usage can be carried out free for 30 days from installation for trial.
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DWGSee Viewer & Editor
DWGSee Viewer & Editor is a lightweight and high-performance CAD application designed for viewing, editing, and printing DWG, DXF, and DWF files. It allows users to browse drawings quickly and make precise modifications without the complexity of full CAD software. DWGSee Viewer & Editor supports AutoCAD file versions from R14 through the latest 2026 releases. The platform includes tools for drawing, modifying objects, adding annotations, and marking up designs. Smart measuring features enable accurate calculation of lengths, angles, areas, and radii using snap points. DWGSee Viewer & Editor also supports batch printing, drawing comparison, and file export for efficient collaboration. With its fast performance and simple interface, DWGSee Viewer & Editor helps users work with CAD drawings more efficiently.
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ViewCompanion
ViewCompanion Standard is an application for viewing, printing and converting plotter files generated by your CAD program or plotter driver. ViewCompanion can open PLT plotter files using HPGL, HP-GL/2, KIPGL, HP-RTL and Calcomp formats. In addition to plotter files it can view, print and convert Adobe PDF, CGM, Autodesk DWF and Gerber files. One of the most important features is the ability to convert the viewed file into other formats. ViewCompanion can convert your files into several different formats. You may measure distances and areas using ViewCompanion's precise measurement tools with snap to drawing geometry. If your drawings are not in original scale (1:1) you may calibrate the measurement tools to provide correct results. Use ViewCompanion to annotate your files with markup elements like stamps, revision clouds, text notes, dimension lines, area measurements, barcodes, symbols, images and more.
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ViewCompanion Premium
ViewCompanion Premium is a powerful Windows application for viewing, printing, converting, annotating and measuring technical drawings and documents.
The software supports AutoCAD DWG and DXF files together with PDF, PLT, HPGL/2, DWF, CGM, TIFF, CALS, Gerber, Excellon, ODB++ and many other engineering and raster formats. Files can be opened individually or processed in batches, making ViewCompanion Premium suitable for both everyday viewing and automated document workflows.
Users can convert drawings and documents to PDF, PDF/A, DXF, TIFF, PNG and several other output formats. Batch conversion and batch printing tools make it easy to process large collections of files, while command-line support can be used for integration with scripts and scheduled tasks.
ViewCompanion Premium also includes markup and measurement tools. Add text, symbols, stamps, barcodes, images, dimensions and other annotations directly to supported files.
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