lookup> .bmi

.BMI·File Extension

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

Data & Textapplication/vnd.bmi

Quick facts

Extension.bmi

File typeBMI Data & Text

MIME typeapplication/vnd.bmi

CategoryData & Text

Charset—

Compressible—

What is .bmi

What is a .bmi file?

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

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

How to open .bmi files

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

Common software that reads/writes .bmi:

VS CodeNotepad++Sublime Textjq

Relation chain

.bmiextension of

format

BMI Data & Textserved as

mime type

application/vnd.bmisent 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 .bmi 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 .bmi files

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

Frequently asked questions

What programs can open .bmi 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 .bmi file?

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

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

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

Sources & standards

Updated 2026-09-13

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