Markdown Variants
Registration Procedure(s)
- First Come First Served
Reference
- RFC 7763: The text/markdown Media Type
Note
While documentation is required, any level of documentation is sufficient. Registrations can be updated with IETF Review.
Note
The variant names Standard, Common, and Markdown are reserved and cannot be registered.
Available Formats
| Identifier | Name | Expiration Date | References |
|---|---|---|---|
| Original | Markdown | RFC 7763 | |
| MultiMarkdown | MultiMarkdown | RFC 7764 | |
| GFM | GitHub Flavored Markdown | RFC 7764 | |
| pandoc | Pandoc | RFC 7764 | |
| Fountain | Fountain | RFC 7764 | |
| CommonMark | CommonMark | RFC 7764 | |
| kramdown-rfc2629 | Markdown for RFCs | RFC 7764 | |
| rfc7328 | Pandoc2rfc | RFC 7764 | |
| Extra | Markdown Extra | RFC 7764 | |
| SSW | Markdown for SSW | https://wandystan.eu/w/Main::Pomoc; Paulina Ciupak | |
| quarto | Quarto | https://quarto.org/docs/authoring/markdown-basics.html; J.J. Allaire | |
| myst | MyST Markdown | https://spec.myst-tools.org; Rowan Cockett | |
| mdc | Markdown Checklists (MDC) | https://mdcspec.dev/spec/v0.1; Tim Walsh |
Contact Information
| Name | Contact URI | Last Updated |
|---|---|---|
| J.J. Allaire | jj.allaire&gmail.com | 2023-03-14 |
| Paulina Ciupak | polyna&posteo.net | 2020-01-13 |
| Rowan Cockett | rowanc1&gmail.com | 2023-03-21 |
| Tim Walsh | spec&mdcspec.dev | 2026-09-24 |