Markdown Viewer by Henry van Megen
Automatically renders .md files in Firefox as readable HTML with table of contents, metadata, author cards, and task list support.
Extension Metadata
About this extension
Markdown Viewer turns Markdown files opened in Firefox (URLs ending in .md) into a clean, readable document page.
Features:
- Automatic rendering of .md files into HTML
- Author parsing with rotating author card support
- Optional avatar lookup (Gravatar/GitHub)
- Task list checkboxes with per-file local persistence
Privacy:
The extension runs locally in your browser and does not collect analytics or tracking data.
External content is only requested when needed:
- Markdown page itself (the page you opened)
- Optional external images when enabled (for markdown images and avatar lookups)
Features:
- Automatic rendering of .md files into HTML
- Author parsing with rotating author card support
- Optional avatar lookup (Gravatar/GitHub)
- Task list checkboxes with per-file local persistence
Privacy:
The extension runs locally in your browser and does not collect analytics or tracking data.
External content is only requested when needed:
- Markdown page itself (the page you opened)
- Optional external images when enabled (for markdown images and avatar lookups)
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Permissions and data
Required permissions:
- Access your data for all web sites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 0.8.0
- Size
- 45.08 kB
- Last updated
- 6 days ago (6 Mar 2026)
- Related Categories
- Licence
- MIT Licence
- Version History
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