# MarkLayer > Free webpage annotation and visual collaboration tool for Chrome. MarkLayer is a Chrome extension that lets you draw, comment, and mark up any live website — then share a single link so anyone can see your annotations instantly. No account or sign-up required. ## Features - Drawing tools: Freehand drawing, shapes, arrows, and lines on any webpage - Real-time collaboration: Live cursors so everyone sees changes as they happen - Shareable links: Share a link — recipients don't need the extension to view - Threaded comments: Pin comments to any spot on the page - No sign-up required: Just install and start annotating - Private by default: Annotations are only shared when you choose - Works on any website: No exceptions, one click to start - Free and open source: No paywall, no trial period ## Links - Website: https://marklayer.app - Chrome Web Store: https://chromewebstore.google.com/detail/marklayer/fnfobegjifomgobgilaemihpcpidjamc - GitHub: https://github.com/thevrus/MarkLayer - Privacy Policy: https://marklayer.app/privacy ## How It Works 1. Install the MarkLayer Chrome extension (free) 2. Navigate to any webpage and click the MarkLayer icon 3. Draw, comment, or highlight anything on the page 4. Click "Share" to get a link anyone can open — no extension needed on their end 5. Collaborate in real time with live cursors ## FAQ Q: Does the other person need the extension installed? A: No. Anyone can view annotations via the share link — no install required. Q: Is it really free? A: Yes. No account, no paywall, no trial period. Q: Does it work on any website? A: Yes, MarkLayer works on any webpage. Q: Can multiple people annotate at the same time? A: Yes — real-time cursors let you collaborate live on any page. ## Contact Email: rusinvadym@gmail.com ## Optional - [Full details](/llms-full.txt)