lookup> .tpl

.TPL·File Extension

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

Data & Textapplication/vnd.groove-tool-template

Quick facts

Extension.tpl

File typeTPL Data & Text

MIME typeapplication/vnd.groove-tool-template

CategoryData & Text

Charset—

Compressible—

What is .tpl

What is a .tpl file?

A .tpl file is a TPL 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.groove-tool-template. When serving .tpl over HTTP, set the Content-Type header as shown in Developer info below.

Related entities: it maps to application/vnd.groove-tool-template and is used by Go Template, Smarty among others — and is delivered over HTTP via the Content-Type header.

How to open .tpl files

Use VS Code or Notepad++ to open and edit .tpl 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.groove-tool-template

Common software that reads/writes .tpl:

VS CodeNotepad++Sublime Textjq

Relation chain

.tplextension of

format

TPL Data & Textserved as

mime type

application/vnd.groove-tool-templatesent via header

http header

Related extensions

Related MIME types

application/vnd.groove-tool-template

.tpl

Related programming languages

Go Template

.gohtml .gotmpl .html.tmpl

Smarty

.tpl

Common uses

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

How to edit .tpl 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 .tpl files

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

Frequently asked questions

What programs can open .tpl 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 .tpl file?

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

What is the relationship between .tpl and the application/vnd.groove-tool-template MIME type?

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

Sources & standards

Updated 2026-08-18

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