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.HPGL·File Extension

HPGL Data & Text — A .hpgl file is a HPGL Data & Text. It is a text-based data format widely used for configuration files, data interchange and API payloads.

Data & Textapplication/vnd.hp-hpgl

Quick facts

Extension.hpgl

File typeHPGL Data & Text

MIME typeapplication/vnd.hp-hpgl

CategoryData & Text

Charset—

Compressible—

What is .hpgl

What is a .hpgl file?

A .hpgl file is a HPGL Data & Text. It is a text-based data format widely used for configuration files, data interchange and API payloads.

In the mime-db registry it maps to application/vnd.hp-hpgl. When serving .hpgl over HTTP, set the Content-Type header as shown in Developer info below.

Related entities: it maps to application/vnd.hp-hpgl — and is delivered over HTTP via the Content-Type header.

How to open .hpgl files

Use VS Code or Notepad++ to open and edit .hpgl files.
Any text editor (Notepad, VS Code) can inspect the raw content as text.

Developer info

When served over HTTP, responses should set the following header:

Content-Type: application/vnd.hp-hpgl

Common software that reads/writes .hpgl:

VS CodeNotepad++Sublime Textjq

Relation chain

.hpglextension of

format

HPGL Data & Textserved as

mime type

application/vnd.hp-hpglsent via header

http header

Related extensions

Related MIME types

application/vnd.hp-hpgl

.hpgl

Common uses

Configuration files
Data interchange between systems
API request and response payloads
Logs and data exports

How to edit .hpgl files

Open the file with VS Code, make your changes and save.
Most editors preserve the original formatting and encoding — avoid changing the charset.

How to create .hpgl files

Create a new file and save it with the .hpgl extension, or export this format from VS Code.

Frequently asked questions

What programs can open .hpgl files?

Common options include VS Code, Notepad++, Sublime Text. You can also open many of these files with built-in viewers or a browser.

How do I create a .hpgl file?

Create a new file in any text editor or the app that owns the format and save it with the .hpgl extension.

What is the relationship between .hpgl and the application/vnd.hp-hpgl MIME type?

application/vnd.hp-hpgl is the media type identifier used for .hpgl files during network transfer (for example in the HTTP Content-Type header).

Sources & standards

Updated 2026-09-13

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