What is MIME type "text/rtf"?

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

text/rtf is the MIME type for Rich Text Format documents. It encodes text along with basic formatting commands that define fonts, colors, and styles.
This type helps different applications exchange text with style details, making documents more readable across various systems.

Used to interchange formatted text data.
Ensures cross-platform consistency.
Simplifies document sharing among different software.

Files with the extension RTF use this MIME type.
Learn more about it at Wikipedia.

Associated file extensions

.rtf

Usage Examples

HTTP Header

When serving content with this MIME type, set the Content-Type header:


    Content-Type: text/rtf

HTML

In HTML, you can specify the MIME type in various elements:


    <a href="file.dat" type="text/rtf">Download file</a>

Server-side (Node.js)

Setting the Content-Type header in Node.js:


    const http = require('http');    
    
    http.createServer((req, res) => {    
      res.setHeader('Content-Type', 'text/rtf');    
      res.end('Content here');    
    }).listen(3000);

Associated file extensions

.rtf

FAQs

Does text/rtf work natively in web browsers?

No, most modern web browsers (like Chrome, Firefox, or Safari) do not render text/rtf content directly. Instead of displaying the document, the browser will typically prompt the user to download the file or open it in an external application like Microsoft Word or WordPad.

How do I configure Apache to serve RTF files?

You can ensure the correct Content-Type header is sent by modifying your .htaccess file or main configuration. Add the line AddType text/rtf .rtf to associate the extension with the MIME type. This prevents browsers from treating the file as a generic binary download.

Is the correct MIME type text/rtf or application/rtf?

The official, registered MIME type is text/rtf. While you may occasionally encounter application/rtf or application/x-rtf in older systems or legacy documentation, text/rtf is the standard defined by IANA and should always be used for maximum compatibility.

Why is my RTF file downloading as application/octet-stream?

This usually indicates that the web server is not configured to recognize the rtf extension. When a server doesn't know the specific type, it defaults to application/octet-stream (generic binary). You must update your server's MIME settings to map .rtf files to text/rtf.

What applications open text/rtf files?

Because Rich Text Format is designed for cross-platform compatibility, it opens in almost all word processors. Common default associations include WordPad on Windows, TextEdit on macOS, and LibreOffice on Linux. It is a reliable format for moving documents between different operating systems.

Are text/rtf files safe from viruses?

Generally, yes, text/rtf is safer than binary formats like .doc because it does not support macros. However, malicious RTF files can still exploit vulnerabilities in the word processing software used to open them (buffer overflows), so you should exercise caution when opening files from untrusted sources.

When should I use text/rtf instead of text/html?

Use text/rtf when you need to share a document that users will edit in a word processor while retaining formatting like bolding or fonts. Use text/html for content intended to be viewed strictly inside a web browser. RTF is for document exchange; HTML is for web presentation.

General FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why are multiple MIME types listed for one extension?

Different applications and historical conventions may use alternative MIME identifiers for the same kind of file. Showing them all helps ensure compatibility across systems.