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.WMLSC·File Extension

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

Data & Textapplication/vnd.wap.wmlscriptc

Quick facts

Extension.wmlsc

File typeWMLSC Data & Text

MIME typeapplication/vnd.wap.wmlscriptc

CategoryData & Text

Charset—

Compressible—

What is .wmlsc

What is a .wmlsc file?

A .wmlsc file is a WMLSC 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.wap.wmlscriptc. When serving .wmlsc over HTTP, set the Content-Type header as shown in Developer info below.

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

How to open .wmlsc files

Use VS Code or Notepad++ to open and edit .wmlsc 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.wap.wmlscriptc

Common software that reads/writes .wmlsc:

VS CodeNotepad++Sublime Textjq

Relation chain

.wmlscextension of

format

WMLSC Data & Textserved as

mime type

application/vnd.wap.wmlscriptcsent via header

http header

Related extensions

Related MIME types

application/vnd.wap.wmlscriptc

.wmlsc

Common uses

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

How to edit .wmlsc 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 .wmlsc files

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

Frequently asked questions

What programs can open .wmlsc 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 .wmlsc file?

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

What is the relationship between .wmlsc and the application/vnd.wap.wmlscriptc MIME type?

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

Sources & standards

Updated 2026-09-13

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