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.KWT·File Extension

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

Data & Textapplication/vnd.kde.kword

Quick facts

Extension.kwt

File typeKWT Data & Text

MIME typeapplication/vnd.kde.kword

CategoryData & Text

Charset—

Compressible—

What is .kwt

What is a .kwt file?

A .kwt file is a KWT 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.kde.kword. When serving .kwt over HTTP, set the Content-Type header as shown in Developer info below.

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

How to open .kwt files

Use VS Code or Notepad++ to open and edit .kwt 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.kde.kword

Common software that reads/writes .kwt:

VS CodeNotepad++Sublime Textjq

Relation chain

.kwtextension of

format

KWT Data & Textserved as

mime type

application/vnd.kde.kwordsent via header

http header

Related extensions

Related MIME types

application/vnd.kde.kword

.kwd .kwt

Common uses

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

How to edit .kwt 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 .kwt files

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

Frequently asked questions

What programs can open .kwt 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 .kwt file?

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

What is the relationship between .kwt and the application/vnd.kde.kword MIME type?

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

Sources & standards

Updated 2026-09-13

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