DocLens

Beautiful document viewer supporting 18+ file formats with syntax highlighting

Full Description DocLens — Your Ultimate Document Viewer Transform how you view documents in Chrome. DocLens is a powerful, privacy-first document viewer that brings beautiful rendering, intelligent features, and a modern interface to your local files. ✨ Key Features 📖 Beautiful Document Rendering Markdown with GitHub-style formatting Syntax highlighting for 30+ programming languages Table of contents auto-generation Reading modes (single, 2-page spread, 3-page spread) 🎨 Modern, Customizable Interface Dark, light, and system theme support Adjustable document margins Zoom controls with per-document memory Resizable sidebar panel 📁 Smart File Management Open individual files or entire folders Recent files tab for quick access Drag & drop support File tree navigation 🔒 Privacy-First Design All processing happens locally on your device No data collection or tracking No files uploaded to any server Works fully offline — no account required 📂 Supported File Types Documents: Markdown (.md), Text (.txt), CSV Data: JSON, YAML, XML Code: JavaScript, TypeScript, Python, HTML, CSS, and 25+ more Graphics: SVG, Draw.io diagrams More formats coming soon 🚀 How It Works Click the DocLens icon in your Chrome toolbar Open any supported file from your computer Enjoy beautiful rendering with instant navigation Use the file tree to browse entire folders 💡 Perfect For Developers reading documentation Writers reviewing markdown files Students studying code and notes Professionals reviewing technical documents Anyone who wants a better local file viewing experience 🔐 Permissions Explained file:/// — To open local files you select Storage — To remember your preferences and recent files Tabs — For multi-tab functionality 🆓 Free & Open DocLens is free to use. All features work offline without any account or subscription.