A powerful browser extension that brings offline Excalidraw editing with screenshot annotation and presentation features.

• 📸 Smart Screenshot Annotation - Capture any webpage area and instantly annotate with Excalidraw
• 🔧 Offline Excalidraw Editor - Full-featured local editor that works without internet
• 📊 Presentation Mode - Turn your drawings into interactive slide presentations
• ⌨️ Keyboard Shortcuts - Quick access to all features
• 🌙 Dark Mode Support - Seamless theme switching

• Chrome Web Store
• Firefox Add-ons
• Edge Add-ons

• YouTube | Bilibili

Capture full page or select specific areas, then annotate directly in Excalidraw.

Use specialized marking tools for quick annotations and callouts.

Transform your drawings into professional presentations with slide navigation.

This project uses a monorepo structure with Bun as the package manager.

# Install dependencies
bun install

# Development
bun run page:dev      # Start editor webapp
bun run local:dev     # Start extension development

# Build
bun run page:build    # Build editor webapp
bun run local:build   # Build extension
bun run local:tar     # Archive build assets

• Screenshot annotation with area selection
• Offline Excalidraw editor
• Presentation mode with slide navigation
• Keyboard shortcuts support
• Internationalization (i18n)
• Dark mode support
• Settings customization

Screenshots from unDraw - Free illustrations for everyone.