Markdown Document Renderer

What is Markdown Document Renderer?

A browser-based tool for rendering markdown documents with beautiful typography, Mermaid diagram support, and print optimization. Write or paste your markdown, render it instantly, and export to PDF with smart page breaks.

Key Features

• Mermaid Diagrams: Render flowcharts, sequence diagrams, and more directly from markdown code blocks
• Syntax Highlighting: Code blocks with professional syntax highlighting using Highlight.js
• Print Optimized: Smart page breaks that never split content awkwardly
• Auto-Save: Your work is automatically saved to browser storage
• ⌨Keyboard Shortcuts: Ctrl/Cmd+Enter to render, Ctrl/Cmd+P to print
• Responsive: Works on desktop, tablet, and mobile

How to Use

1. Paste Markdown: Add your markdown content in the text area
2. Render: Click “Render Document” or press Ctrl/Cmd + Enter
3. Review: Check your formatted document below the editor
4. Print/Save: Click “Print / Save PDF” or press Ctrl/Cmd + P

Supported Markdown Features

• GitHub Flavored Markdown (GFM)
• Tables with proper formatting
• Code blocks with language-specific highlighting
• Mermaid diagrams (use ```mermaid code blocks)
• Blockquotes, lists, and all standard markdown elements

Example Mermaid Diagram

graph TD
    A[Write Markdown] --> B{Include Diagrams?}
    B -->|Yes| C[Add Mermaid Code]
    B -->|No| D[Just Text]
    C --> E[Render]
    D --> E
    E --> F[Print to PDF]

Print Settings

For best results when printing:

• Paper size: A4 or Letter
• Margins: Default (2cm/1.5cm)
• Enable: “Background graphics”