Here's a complete, runnable web app for capturing screenshots with annotation and clipboard sharing:
```html:index.html
SnapClip - Instant Screenshot & Annotation Tool
Copied to clipboard!
SnapClip
Instant Screenshot & Annotation
No file saving required
Capture, Annotate & Share
Instantly
The fastest way to capture web app screenshots, add annotations, and copy directly to your clipboard — no files, no uploads.
Demo Web App Dashboard
This is a sample dashboard. Use the capture button above to take a screenshot and annotate it.