A sleek, lightweight Progressive Web App for viewing Markdown files on any device.
Open local .md files with the system file picker, read them beautifully formatted with syntax-highlighted code blocks, and export to PDF or plain text — all offline, all private.

Live · GitHub · Features · Getting Started · Contributing · License

• System file picker — open any .md file from your device
• Drag & drop — drop files directly onto the page
• Paste markdown — paste raw markdown text to preview instantly
• Tab bar — open multiple files in tabs, switch between them, and restore tabs on reload
• Beautiful rendering — clean, typographic Markdown display with GFM support
• Code syntax highlighting — VS Code-quality highlighting powered by Shiki with 10 selectable themes
• Mermaid diagrams — render flowcharts, sequence diagrams, and more from ```mermaid code blocks
• Light & dark mode — respects system preference with manual toggle
• Accent colors — choose from multiple accent color themes
• Export to PDF — text-based, selectable PDF output via jsPDF
• Export to plain text — stripped markdown formatting
• Context menu — copy, export, and open files from right-click or long-press
• Recent files — quickly reopen previously viewed files
• File handling — register as default app for .md files on supported platforms
• Mobile-first — optimized for phones and tablets, works great on desktop too
• Offline-ready — full PWA with service worker, install it and use it anywhere
• Privacy-first — files never leave your device, zero server processing

• React 19 + TypeScript
• Vite 8 with React Compiler
• Tailwind CSS 4
• shadcn/ui components
• react-markdown + remark-gfm
• Shiki syntax highlighter
• Mermaid for diagrams
• jsPDF for PDF export
• vite-plugin-pwa for offline support

# Install dependencies
npm install

# Start dev server
npm run dev

# Build for production
npm run build

# Preview production build
npm run preview

Contributions are welcome! Please open an issue or submit a pull request.

1. Fork the repository
2. Create your feature branch (git checkout -b feat/my-feature)
3. Commit your changes (git commit -m 'Add my feature')
4. Push to the branch (git push origin feat/my-feature)
5. Open a Pull Request

MIT

Made with 💝 by TriptoAfsin