HP1

HP Graphics Language plotter file
File type: Vector graphic file
Files with hp1 extension are used by the HPGL printer control language.
What is hp1 file?
File type category:
Vector graphic file
Date updated: June 23, 2025
The hp1 file extension is related to HPGL, sometimes hyphenated as HP-GL, 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.
How to open hp1 file?
Use XnView MP to open the hp1 extension files.
How to convert hp1 file?
Files with hp1 extension haven't known conversion.
Associated software actions with the hp1 file
Programs for viewing hp1 files:
XnView MP (Multiplatform)