Markdown Viewer

View and browse markdown documents from local folders with a rich sidebar, history, and table of contents.

The best way to read and organize markdown documents in Chrome. Markdown Viewer Pro instantly renders .md files with beautiful formatting — no server, no upload, everything stays local on your device. ✨ Key Features: • 📁 Folder Browser — Open any local folder and browse all .md files in a tree sidebar • 📄 Beautiful Rendering — GitHub-flavored markdown with tables, task lists, and blockquotes • 🎨 Syntax Highlighting — Code blocks in 180+ languages with auto-detection • 📐 Mermaid Diagrams — Flowcharts, sequence diagrams, and more rendered as SVG • 🧮 Math/LaTeX — Inline and block math equations powered by KaTeX • 📑 Table of Contents — Auto-generated from headings with smooth scroll navigation • 🌙 Dark & Light Themes — Easy toggle, persisted across sessions • ⭐ Pin Favorites — Star important files for quick access • 🔍 Instant Search — Filter files by name across all opened folders • 📋 Copy & Export — Copy markdown content, export as HTML or PDF • 🕐 History — Track recently viewed files, re-open with one click • 🌐 11 Languages — English, 中文, 日本語, 한국어, Español, Français, Deutsch, Português, Русский, العربية, हिन्दी, Italiano, Tiếng Việt • 🔒 100% Private — All files stay on your device. No data uploaded anywhere. 🚀 Two Ways to Use: Click the extension icon → Opens a full document workspace with sidebar, folders, history, and pins Navigate to any .md file → Automatically renders it in-place with TOC and theme toggle 💡 Perfect For: • Developers reading documentation, READMEs, and API specs • Writers and note-takers using markdown for knowledge management • Teams reviewing AI-generated documentation • Students reading course materials in markdown format • Anyone with .md files on their computer ⚙️ Customizable Settings: • Max folder scan depth (for large projects) • Number of recent tabs • UI zoom/scale • Theme preference • Language selection 📦 No Dependencies: • Works 100% offline after installation • No account required • No internet connection needed • No data leaves your browser • No tracking, no analytics