HedgeDoc Markdown: Complete Guide
HedgeDoc (formerly CodiMD) is a free, open-source, self-hosted collaborative markdown editor. It provides real-time collaboration, a split-pane editor with live preview, and supports GFM with extensions for math, diagrams, and slide presentations. HedgeDoc is the community fork of HackMD.
Markdown support:Full
Markdown Support in HedgeDoc
| Format | Syntax | Support |
|---|---|---|
| Bold | **text** | Yes |
| Italic | *text* | Yes |
| Strikethrough | ~~text~~ | Yes |
| Headings | # H1 ... ###### H6 | Yes |
| Links | [text](url) | Yes |
| Images |  | Yes |
| Blockquotes | > quote | Yes |
| Ordered Lists | 1. item | Yes |
| Unordered Lists | - item | Yes |
| Code (inline) | `code` | Yes |
| Code Blocks | ```lang\ncode\n``` | Yes |
| Tables | | col | col | | Yes |
| Task Lists | - [ ] task | Yes |
| Footnotes | [^1] | Yes |
| Horizontal Rule | --- | Yes |
Things to know
- Self-hosted alternative to HackMD with the same core features.
- Formerly known as CodiMD; rebranded to HedgeDoc.
- Supports slide mode, math, and diagram rendering like HackMD.
- Can be deployed with Docker or installed on a server with Node.js.
Frequently Asked Questions
Does HedgeDoc support markdown?
Yes. HedgeDoc fully supports markdown including GFM, tables, task lists, footnotes, math, and diagrams. It is a self-hosted collaborative markdown editor.
How do you bold text in HedgeDoc?
Wrap the text with double asterisks: **bold text**. HedgeDoc shows the formatted result in its live preview pane.
What is the difference between HedgeDoc and HackMD?
HedgeDoc is the free, open-source, self-hosted fork of HackMD. HackMD offers a hosted service with additional features, while HedgeDoc is community-maintained and designed for self-hosting.
Is HedgeDoc free?
Yes. HedgeDoc is free and open source under the AGPL license. You host it on your own server and have full control over your data.