Features
Everything you need for visual feedback
One platform for annotating websites and images. Collect precise feedback, collaborate in real time, and ship pixel-perfect work.
Pin comments on live websites
Paste any URL and annotate directly on the live page. Click to drop a pin, leave a comment, and your team sees exactly where the issue is. No screenshots, no confusion — feedback that points to the problem. Works on any website, any framework, any device.
- Click anywhere to drop annotation pins
- Comments attached to exact DOM elements
- Responsive viewport switching
- Page-level and element-level feedback
- Automatic screenshot capture with each pin
Website Annotation
Annotate screenshots and designs
Upload screenshots or design exports and annotate them with precision. Pin comments on specific areas and discuss with your team. Supports PNG, JPG, WebP, and SVG.
- Drag-and-drop file upload
- Pin annotations on specific areas
- Threaded comments per annotation
- Supports PNG, JPG, WebP, SVG
Image Markup
Live cursors and presence
See who is viewing the same markup in real time. Watch teammates' cursors move across the page, see typing indicators, and resolve feedback threads together. No more "are you looking at the same thing?" moments.
- Live cursor tracking for all viewers
- Real-time presence indicators
- Typing indicators in comment threads
- Instant comment sync across devices
- Collaborative annotation sessions
Real-Time Collaboration
Connect to Slack, Linear, GitHub
Sitemarks integrates with the tools your team already uses. Auto-create Linear issues or GitHub issues when feedback is submitted. Send rich Slack notifications with preview images.
- Slack: rich notifications with screenshots
- Linear: auto-create issues with context
- GitHub: issues with DOM metadata
Integrations
Never miss a comment
Get notified when feedback is added, resolved, or assigned to you. The activity feed gives you a chronological view of all changes across your projects. Filter by project, team member, or status. Available via email, in-app, and Slack.
- In-app notification center
- Email digest (instant, daily, weekly)
- Slack channel notifications
- Activity feed with filters
- Custom notification preferences per project
Notifications & Activity Feed
No login required for reviewers
Share a link with clients, stakeholders, or anyone outside your team. Guests can view the markup and leave annotations without creating an account. You control permissions — view-only or comment-enabled — and all guest feedback is attributed.
- Shareable review links
- No account required for guests
- Configurable permissions (view/comment)
- Guest comments attributed by name/email
- Optional password protection
Guest Access
Ready to try it yourself?
Start collecting visual feedback in minutes. Free forever for individuals, no credit card required.