MIME Types Reference by Extension
Look up MIME types by file extension or search by type name. Free reference for web developers configuring servers and uploads.
Frequently asked questions
- What is a MIME type?
- A label like image/png that tells browsers and servers what kind of file they are handling. Servers send it in the Content-Type header.
- Why do wrong MIME types matter?
- Browsers may download a file instead of displaying it, or refuse to render styles and scripts, when Content-Type does not match.
- Which type should I use for JavaScript?
- text/javascript is the current standard and is accepted by all modern browsers.
- Does the list cover Office files?
- Yes, including the long vnd.openxmlformats types for docx, xlsx and pptx.
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