MarkLens — Markdown Viewer by Kraftware Labs
Beautiful markdown viewer with Document Styles. 10 themes, 6 font schemes, syntax highlighting, diagrams, math. Free & private.
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About this extension
MarkLens transforms how you read markdown files. Install it, open any .md file, and see the difference.
The only markdown viewer with Document Styles:
- 6 Font Schemes — Minimal, Modern, Classic, Editorial, Academic, Creative
- 3 Rendering Modes — Classic (GitHub-style), Accented (colored heading accents), Document (Word-like)
- 10 Beautiful Themes — GitHub Light/Dark, Dracula, Nord, Solarized, One Dark, Tokyo Night, Monokai, Auto
Powerful features:
- Syntax highlighting for 10+ languages (Shiki — VS Code quality)
- Mermaid diagram rendering (flowcharts, sequence, class diagrams)
- KaTeX math rendering (inline and block)
- Table of Contents sidebar with scroll tracking
- Inline settings panel — change everything without leaving the page
- 8-button floating action strip for instant adjustments
- Word count, reading time, scroll progress in toolbar
- Custom CSS injection
- Print-friendly rendering
- Auto-reload for local files
Privacy first:
- All rendering happens locally — nothing leaves your browser
- No analytics, no tracking, no telemetry
- All fonts bundled — zero external network requests
- Only needs "storage" permission to save your preferences
Works with local files (file://) and remote markdown URLs. Zero configuration needed.
The only markdown viewer with Document Styles:
- 6 Font Schemes — Minimal, Modern, Classic, Editorial, Academic, Creative
- 3 Rendering Modes — Classic (GitHub-style), Accented (colored heading accents), Document (Word-like)
- 10 Beautiful Themes — GitHub Light/Dark, Dracula, Nord, Solarized, One Dark, Tokyo Night, Monokai, Auto
Powerful features:
- Syntax highlighting for 10+ languages (Shiki — VS Code quality)
- Mermaid diagram rendering (flowcharts, sequence, class diagrams)
- KaTeX math rendering (inline and block)
- Table of Contents sidebar with scroll tracking
- Inline settings panel — change everything without leaving the page
- 8-button floating action strip for instant adjustments
- Word count, reading time, scroll progress in toolbar
- Custom CSS injection
- Print-friendly rendering
- Auto-reload for local files
Privacy first:
- All rendering happens locally — nothing leaves your browser
- No analytics, no tracking, no telemetry
- All fonts bundled — zero external network requests
- Only needs "storage" permission to save your preferences
Works with local files (file://) and remote markdown URLs. Zero configuration needed.
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Permissions and data
Required permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 0.9.0
- Size
- 2.92 MB
- Last updated
- a day ago (Mar 24, 2026)
- Related Categories
- License
- All Rights Reserved
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
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