Markdown Preview icon

Markdown Preview

Extension Actions

How to install Open in Chrome Web Store
CRX ID
ffnlefllankcdbdakpcjgcalkidljjpf
Description from extension meta

Beautiful markdown file preview with syntax highlighting, multiple themes, and GitHub Flavored Markdown support

Image from store
Markdown Preview
Description from store

📝 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!