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HP Graphics Language image
File type: Vector graphic file
A hg file extension is related to the HP Graphics Language (HPGL) developed by Hewlett-Packard.
File type category:
Vector graphic file
Date updated: June 23, 2025
Record marked as obsolete and not updated for a long time.
The hg file extension is sometimes used for files in HPGL format.
HPGL, sometimes hyphenated as HP-GL, is the primary printer control language used by Hewlett-Packard plotters.
The name is an initialism for Hewlett-Packard Graphics Language. It later became a standard for almost all plotters. Hewlett-Packard's printers also usually support HPGL in addition to PCL.
The hg file stores some kind of graphics data.
Use XnView to open *.hg files.
XnView is able to export *.hg files to picture image other formats.
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