---
url: 'https://adk.nht.io/api/@nhtio/adk/batteries/media/variables/EXT_TO_MIME.md'
description: A small extension → MIME lookup for filenames produced by transforms.
---

# Variable: EXT\_TO\_MIME

```ts
const EXT_TO_MIME: Readonly<Record<string, string>>;
```

Defined in: [src/batteries/media/formats.ts:131](https://github.com/NHTIO/ADK/blob/v1.20260713.1/src/src/batteries/media/formats.ts#L131)

A small extension → MIME lookup for filenames produced by transforms.