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.MIF·File Extension

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

Data & Textapplication/vnd.mif

Quick facts

Extension.mif

File typeMIF Data & Text

MIME typeapplication/vnd.mif

CategoryData & Text

Charset—

Compressible—

What is .mif

What is a .mif file?

A .mif file is a MIF 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.mif. When serving .mif over HTTP, set the Content-Type header as shown in Developer info below.

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

How to open .mif files

Use VS Code or Notepad++ to open and edit .mif 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.mif

Common software that reads/writes .mif:

VS CodeNotepad++Sublime Textjq

Relation chain

.mifextension of

format

MIF Data & Textserved as

mime type

application/vnd.mifsent via header

http header

Related extensions

Related MIME types

Common uses

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

How to edit .mif 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 .mif files

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

Frequently asked questions

What programs can open .mif 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 .mif file?

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

What is the relationship between .mif and the application/vnd.mif MIME type?

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

Sources & standards

Updated 2026-09-13

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