Annotate Together - Screen Drawing Tool

Annotate any webpage together in real-time. Multiple people can draw, highlight, and mark up the same screen simultaneously — no screen-sharing control needed.

Built for collaboration: tutors and students, designers and clients, teammates in meetings. Everyone on the same page sees each other's annotations instantly.

⚡ TWO MODES
• Google Meet: Automatically activates when someone shares their screen — all participants can annotate the shared view together
• Any Website: Click the extension icon and invite others to the same URL — everyone draws on the same canvas in real-time

🖊️ 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. On Google Meet: annotations auto-activate when screen sharing starts
3. On any other page: click the extension icon to start annotating
4. Share the URL with collaborators — they install the extension and open the same page
5. 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.