Markdown Preview
Extension Actions
Beautiful markdown file preview with syntax highlighting, multiple themes, and GitHub Flavored Markdown support
📝 MARKDOWN PREVIEW - BEAUTIFUL OFFLINE RENDERING
Transform your markdown files into beautifully formatted documents with GitHub-style rendering, syntax highlighting, and customizable themes. Everything runs locally in your browser - no external API calls, complete privacy.
🎯 KEY FEATURES
• GitHub Flavored Markdown (GFM) Support
- Tables, task lists, strikethrough
- Automatic URL linking
- Fenced code blocks
• Beautiful Themes
- GitHub Light (default)
- GitHub Dark (dark mode)
- Customizable width options
• Syntax Highlighting
- 20+ programming languages
- Powered by Prism.js
- Optional line numbers
• Advanced Features
- Automatic Table of Contents generation
- Scroll position memory
- Auto-reload for local files
- Anchor link navigation
• Completely Offline
- No external API calls
- All processing is local
- Bundled libraries (marked.js, Prism.js)
- Works without internet
🚀 HOW TO USE
1. Install the extension
2. Enable "Allow access to file URLs" in chrome://extensions
3. Open any .md or .markdown file in Chrome
4. See beautiful formatted output instantly!
✨ SUPPORTED FILE TYPES
• .md
• .markdown
• .mdown
• .mkdn
• .mdtext
• And more...
⚙️ CUSTOMIZABLE SETTINGS
• Theme Selection (Light/Dark)
• Content Width (Auto, Full, Fixed sizes)
• Auto Reload (for local files)
• Line Numbers in code blocks
• Table of Contents toggle
💻 SUPPORTED LANGUAGES
JavaScript, Python, Java, C, C++, C#, Ruby, Go, Rust, PHP, Swift, Kotlin, TypeScript, HTML, CSS, SQL, Bash, YAML, JSON, XML, and more!
🔒 PRIVACY & SECURITY
• Zero external API calls
• No data collection or tracking
• No analytics or telemetry
• All processing happens locally
• Settings stored locally only
• Works completely offline
• Open source transparency
🎯 PERFECT FOR
• Developers viewing README files
• Technical writers
• Documentation reviewers
• Students learning markdown
• Anyone working with .md files
📖 USE CASES
• View project README files
• Preview documentation before committing
• Read markdown articles offline
• Review pull request markdown files
• Learn markdown syntax with instant preview
🌟 WHY CHOOSE THIS EXTENSION?
• Fast & Lightweight
• Beautiful GitHub-style rendering
• Complete privacy (no external calls)
• Customizable themes and settings
• Automatic syntax highlighting
• Free and open source
📋 PERMISSIONS EXPLAINED
• storage: Save your theme and display preferences locally
• file:// access: Render local markdown files (opt-in)
• http(s): Render markdown files from web URLs
• All processing is local - no data transmitted
🛠️ TECHNICAL DETAILS
• Manifest V3 (latest Chrome extension standard)
• Bundled libraries (no CDN dependencies)
• Works 100% offline
• No remote code execution
• Secure by design
Try it now and experience the best way to view markdown files in Chrome!