Cohesion is an accountless online Markdown editor focused on note-taking and technical writing. It loads quickly in the browser and and stores all data, images included, locally. It has a clean, distraction-free interface and a wide variety of features that make it a solid choice for writing Markdown documents.

Cohesion supports multiple documents, and includes a file explorer to help you manage resources used in your notes. It also provides advanced features such as multimedia embedding, footnotes, admonitions, basic flowcharts and graphs support and several extended Markdown syntaxes, making it a capable tool for both everyday note-taking and more technical documentation needs.
It’s keyboard-centric design allows for efficient navigation and editing, and it includes a variety of themes and customization options to tailor the writing experience to your preferences.
Cohesion provides support for the following Markdown elements.
| Element | Support | Notes |
|---|---|---|
| Headings | Yes | |
| Paragraphs | Yes | |
| Line Breaks | Yes | |
| Bold | Yes | |
| Italic | Yes | |
| Blockquotes | Yes | |
| Ordered Lists | Yes | |
| Unordered Lists | Yes | |
| Code | Yes | |
| Horizontal Rules | Yes | |
| Links | Yes | You can link to other files in Cohesion by using the [[file title]] syntax.
|
| Images | Yes | Also supports audio and video. |
| Tables | Yes | |
| Fenced Code Blocks | Yes | |
| Syntax Highlighting | Yes | |
| Footnotes | Yes | |
| Heading IDs | No | |
| Definition Lists | Yes | |
| Strikethrough | Yes | |
| Task Lists | Yes | Also supported on tables. |
| Emoji (copy and paste) | Yes | |
| Emoji (shortcodes) | Yes | |
| Highlight | Yes | |
| Subscript | Yes | |
| Superscript | Yes | |
| Automatic URL Linking | Yes | |
| Disabling Automatic URL Linking | No | |
| HTML | Partial | Some tags like <script> are note available to prevent auto-run, use JavaScript codeblocks instead.
|
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