Free online DWG to HPGL converter
Convert DWG drawings to HPGL plotter files for plotting workflows.
Convert DWG to HPGL online - free
Your file is processed instantly and deleted as soon as you download it.
Import a file from a URL
Paste a direct link to the file. We download it to our server and it is converted exactly like an upload.
How it works
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Upload your .dwg file
Click to browse to select your file you want to convert or simply drag & drop your file into selected area.
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Perform .dwg to .hpgl conversion
After successful file upload, click to convert when you are ready.
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Download converted .hpgl file
Conversion result is ready to download.
How to convert dwg to hpgl file
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A plotter workflow may accept HPGL but not DWG, so the drawing must be converted before it can be sent to the device or plotting software. HPGL describes plotter movements rather than editable CAD objects.
What the DWG format is
DWG is a CAD drawing format used for 2D plans and 3D models, including geometry, layers, dimensions, and blocks. Autodesk AutoCAD creates DWG files; many other CAD programs can also open or save them. DWG is common in architecture, engineering, and manufacturing workflows.
What the HPGL format is
HPGL (Hewlett-Packard Graphics Language) is a vector command language for pen plotters and compatible printers. It encodes coordinates and commands such as pen-up and pen-down, making it suitable for plotting line drawings. Files commonly use .hpgl or .plt. HPGL is plot-ready output, not a replacement for a CAD file with editable layers and object properties.
How to convert DWG to HPGL
Online on 101convert.com
- Upload the DWG file on the 101convert.com conversion page.
- Select HPGL as the output format and start the conversion.
- Download the converted file when processing is complete. The page supports batch conversion; its per-file size limit is shown on the page.
Offline with desktop software
Free workflow: Use ODA File Converter to convert the DWG to DXF, then open the DXF in Inkscape and export it with an installed HPGL-output extension. ODA File Converter and Inkscape are available for desktop operating systems including Windows, macOS, and Linux.
- In ODA File Converter, choose the folder containing the DWG, set DXF as the output format, and run the conversion. The result is a DXF file.
- Open the DXF in Inkscape, check the import scale and page size, then use the installed HPGL extension’s export command to save the plot file. Extension names and menu locations can vary by installation.
AutoCAD: In AutoCAD, enter PLOT, select an HP-GL/2 plotter configuration in the plot dialog, set the paper size, plot area, orientation, and scale, then plot to a file. If no suitable configuration is available, add an HP-GL/2 plotter configuration with the Plotter Manager before plotting. The generated file is commonly saved with a .plt extension.
Quality and compatibility
Set the intended paper size and plot scale before conversion; a mismatch can make the output incorrectly sized or clipped. HPGL generally retains plotted vector paths, but it does not preserve DWG layers, blocks, dimensions as associative objects, or other CAD editing data. Text appearance can change if the destination plotter lacks the specified fonts, and the receiving device must support the HPGL version produced.
Note: This dwg to hpgl conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.
DWG vs HPGL: format comparison
How the DWG and HPGL formats compare on the properties that matter most for this conversion.
| Property | .DWG AutoCAD Drawing | .HPGL Hewlett-Packard Graphics Language |
|---|---|---|
| Open standard | Partly open | Partly open |
| Compression | Both | Uncompressed |
| Typical file size | Large | Small |
| Opens in a web browser | No | No |
| Further editing | Easy | Limited |
| Metadata support | Basic | None |
| Plain-text readable | No | Yes |
| Best used for | Professional production | Embedding in applications |
| Introduced | — | 1977 |
| Developer | Autodesk | Hewlett-Packard |
| MIME type | application/acad | — |
Information about file extensions and file types is provided by File-Extensions.org
Frequently asked questions
Is the DWG to HPGL converter free?
Yes, converting DWG to HPGL on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.
How large can my DWG file be?
You can upload DWG files up to 10 MB and convert up to 3 files at once in a single batch. With a paid plan the limit is up to 500 MB per file and 20 files at once, see our plans.
What happens to my uploaded files?
Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.
Do I need to install any software to convert DWG to HPGL?
No. The DWG to HPGL conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.
Did the conversion fail?
In most cases, the cause is an incorrect file format. Please upload a valid DWG file for this DWG to HPGL conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.