Markdown Here VS DotMD

• Cross-Platform Compatibility
  Markdown Here is available as a browser extension for multiple platforms, including Chrome, Firefox, Safari, and Opera. This ensures that users can use it across different browsers without compatibility issues.
• Ease of Use
  The extension simplifies the process of writing in Markdown for emails and provides a quick conversion to formatted HTML, making it user-friendly even for those new to Markdown.
• Consistent Email Formatting
  With Markdown Here, users can write emails in Markdown, which allows for a neat and consistent look. The tool converts the Markdown into HTML, ensuring that the formatting is preserved across different email clients.
• Open Source
  Being open-source, Markdown Here encourages community contributions, allowing users to suggest improvements and customize the tool based on their needs.

Possible disadvantages

• Browser Dependence
  As a browser extension, its functionality is limited to supported browsers. Users relying on unsupported browsers will not be able to utilize the tool.
• Limited to Email Clients
  The primary focus of Markdown Here is on rendering Markdown text in emails. Users seeking Markdown support in other applications beyond email will find this tool limited.
• Rendering Limitations
  Some complex Markdown features or custom styling may not render correctly when converted to HTML, depending on the email client's capabilities and restrictions.
• Potential Security Concerns
  As with any browser extension, there are inherent security risks, such as potential vulnerabilities that could be exploited. Users need to regularly update the extension to mitigate these risks.

• Review AI agent documents
  Comment on exact lines of a spec or plan; Claude Code, Codex or Cursor fixes them over MCP
• Diff review of every change
  Each edit shows next to its comment, old text in red and new in green, to accept or send back
• Live Preview Editor
  Markdown with Mermaid diagrams, math, code highlighting, tables and front matter
• Version History
  Every save of every file is kept; restore any earlier version
• Private and local
  No account, no cloud; the MCP server listens on localhost only

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DotMD — review what your AI agents write, on your Mac

• Cheat-sheet maker; a react app for creating and sharing cheat sheets (with markdown)

  If I got your point correctly, I think markdown is a great solution for this. For this particular app, I used react-markdown as parser but there are other libraries of course. Source: over 5 years ago

Tracking DotMD since Oct 2026.