Annotate Together - Screen Drawing Tool

Real-time collaborative screen annotation. Auto-starts on Google Meet, click icon on other pages.

Annotate any webpage together in real-time. Click the extension icon to start, then multiple people can draw, highlight, and mark up the same screen simultaneously. Built for collaboration: tutors and students, designers and clients, teammates in meetings. Everyone on the same page sees each other's annotations instantly. ⚡ HOW TO USE • Click the extension icon on any webpage to start annotating • Share the URL with collaborators — everyone on the same page draws on the same canvas in real-time • Works great with Google Meet, Zoom, or any screen-sharing tool 🖊️ DRAWING TOOLS • Pen — Smooth freehand drawing • Eraser — Remove strokes easily • Line & Arrow — Straight lines with optional arrowheads • Rectangle — Outline shapes for highlighting areas • Text — Place text annotations anywhere • Laser Pointer — Glowing pointer that fades after 2 seconds, perfect for guiding attention • 8 colors + adjustable stroke width • Undo (Ctrl+Z / Cmd+Z) and Clear 👥 REAL-TIME COLLABORATION • Multiple users draw on the same page simultaneously • See each other's annotations appear instantly • No login or account required — just open the same URL • Each person can only undo/clear their own drawings • Synced across all participants automatically 💡 USE CASES • Online tutoring — Teacher and student annotate lesson materials together • Design reviews — Point out feedback directly on mockups and prototypes • Remote meetings — Highlight key points on shared documents during calls • Team collaboration — Mark up any webpage with your team in real-time • Presentations — Use the laser pointer to guide your audience's attention 🔒 PRIVACY-FRIENDLY • No user accounts or personal data collected • Drawings are temporary and auto-delete after 1 hour • No tracking, no analytics, no ads HOW IT WORKS 1. Install the extension 2. Click the extension icon on any page to start annotating 3. Share the URL with collaborators — they install the extension and open the same page 4. Everyone draws together in real-time This extension uses Firebase Realtime Database for synchronization. No personal information is collected or stored. All drawing data is temporary and automatically deleted.