Convert HPGL to BMP
Convert HPGL to BMP online: the plotter's pen strokes drawn as one clean drawing, saved as an uncompressed BMP bitmap. Free, no sign-up.
Drop your HPGL files here
Up to 50MB per file.
Conversion Settings
Files are encrypted and auto-deleted after conversion
How to Convert
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Upload your HPGL files
Drag and drop or select HPGL files from your device. You can upload multiple files at once.
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Configure Output
Choose any available BMP output options, then start the conversion.
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Download BMP files
Once conversion finishes, download your files individually or as a compressed ZIP archive.
Why convert HPGL to BMP?
HPGL is Hewlett-Packard's Graphics Language for pen plotters, a text command set of pen-up, pen-down and move instructions that CAD programs export for plotting. The pen movements are replayed by hp2xx to rebuild the drawing's linework, which is placed on a white page and rendered at 144 dpi.
BMP stores every pixel uncompressed, so the image is exact and simple to read by any software that handles Windows bitmaps.
Frequently Asked Questions
How do I convert HPGL to BMP?
Drop your HPGL file above and press Convert. Our servers replay the HPGL commands with hp2xx into vector EPS, turn that into a PDF with Ghostscript, and render the page as the image you chose. The result is saved as an uncompressed BMP bitmap, ready to download.
How does the BMP show what the HPGL plotter pen drew?
Every pen-down stroke in the file is traced by hp2xx as a vector line, so the BMP shows the linework the plotter would draw on paper.
Why does a HPGL file go through PDF on its way to BMP?
hp2xx writes the drawing as vector EPS, and Ghostscript converts that into a PDF. Rendering the PDF at 144 dpi keeps each line crisp in the BMP.
What happens when a HPGL file fills several BMP pages?
Each page is rendered at 144 dpi and saved as its own BMP image, named page-1, page-2 and so on, and they download together as one ZIP. A single page downloads as one BMP file.
What kind of BMP does the HPGL converter create?
A standard Windows bitmap with every pixel stored uncompressed, so the image is an exact copy of the rendered result.
Is my .hpgl file kept private?
Your file is uploaded over an encrypted connection, converted on our servers and deleted automatically within 24 hours. We never read, share or keep your files, and no account is needed.