Markdown Renderer for GitHub comes in two plans: a free edition and a Pro (premium) edition.

Feature Comparison

Feature Free (Standard) Pro (Premium)
Core features
GFM rendering
Basic syntax highlighting
Mermaid diagram support
Copy button
YAML frontmatter
Automatic table of contents (TOC)
SSR (server-side rendering)
Chart.js integration
PlantUML/Ditaa diagram support
Web Worker async highlighting
Multilingual support
Pro features
Pro license management ✅ 🟢
Customization
Custom Shiki themes ✅ ⚪
SEO & integrations
SEO pre-rendering ✅ ⚪
Private Gist embedding ✅ ⚪
Markdown image attachments ✅ ⚪
Commercial use

Legend: 🟢 Released | 🟡 In development | ⚪ Planned

Pro Edition Benefits

A single lifetime license unlocks every Pro feature. Future feature updates are included at no extra cost.

🎯 Available now (v1.8.0)

  • Pro license management - Secure license activation via Lemon Squeezy integration (v1.8.0)

📋 Free edition features (available to all users)

  • SSR - Server-side rendering of code blocks and Mermaid diagrams (v1.10.0)
  • Chart.js integration - Advanced data visualization charts (v2.1.0)
  • PlantUML/Ditaa diagrams - UML diagram and ASCII-art diagram support (v2.6.0/v2.7.5)
  • Web Worker async highlighting - Non-blocking syntax highlighting (v2.6.0)
  • Multilingual support - Path-based URL routing, global language switcher, custom labels (v2.7.0)
  • Automatic TOC - Heading-based TOC with a scroll-following sticky sidebar (v1.12.0)

🚀 Planned for future releases (Pro)

  • Custom Shiki themes - Upload VS Code themes and manage multiple themes
  • SEO pre-rendering - One-click SEO optimization via Prerender.io, Puppeteer, and Rendertron
  • Private Gist embedding - Secure rendering of authenticated private Gists
  • Markdown image attachments - Attach images to Markdown blog posts
Show development status

All features are actively in development. Track progress on the feature roadmap page.

Buy a License

Pro License (lifetime) — Coming soon

A single lifetime license unlocks every Pro feature. Pro license checkout is currently being prepared. The core features are available in the free edition.

What's included:

Still deciding? Try the live demo · See Pro license details · License policy