Preferred type is text/markdown

text/x-markdown

This mimetype is deprecated. You should still support it, but avoid using it to assign new mimetypes.
Instead, please use text/markdown

Markdown is a lightweight and human readable markup format for text formatting created by John Gruber and Aaron Swartz. It is similar to various forms of wiki markup. There is no formal specification for the original Markdown, and it has ambiguities that are handled inconsistently by different implementations.

An attempt to improve on this situation was done (released 2014-09) by a group unrelated to the originators of Markdown, and was originally dubbed Standard Markdown until John Gruber objected to this name, and it was first renamed "Common Markdown" and later CommonMark. Markdeep is an extended Markdown implemented in JavaScript for web use.

File types

.markdn
.markdown
.md
.mdown

Also appears as

text/markdown
Preferred

Further reading

  1. RFC 7763 - The text/markdown Media Type
  2. Let's Solve the File Format Problem!

Related to

No related mimetypes listed