# ScreenSnapShot

> ScreenSnapShot is a Chrome extension that captures full-page scrolling screenshots with one click. All processing happens locally in the browser — no uploads, no accounts, no tracking.

## Key Features
- Full-page scrolling capture — automatically scrolls and stitches the entire page
- Smart fixed/sticky header handling — hides repeating headers after the first viewport
- Copy to clipboard (free) — paste directly into any app
- Save as PNG (Pro) — lossless full-resolution export
- Save as PDF (Pro) — for printing and documentation
- Built-in editor (Pro) — crop, rectangle annotations, custom colors, zoom/pan
- Retina/HiDPI support — captures at device-pixel resolution
- 100% local processing — no data ever leaves your browser

## Pricing
- Free: Capture + Copy to Clipboard
- Pro: One-time payment of $5 — Save as PNG, Save as PDF, Built-in Editor
- No subscription. Pay once, use forever.

## Technical Details
- Chrome Manifest V3 extension
- Vanilla JavaScript — zero external dependencies
- Service Worker architecture with Offscreen Document for canvas operations
- Uses chrome.tabs.captureVisibleTab() for viewport capture
- Canvas-based image stitching and PDF generation
- ExtensionPay (Stripe) for payment processing

## Privacy
- No screenshots uploaded to any server
- No analytics, telemetry, or tracking
- No user accounts or personal data collected
- No cookies set by the extension
- Payment handled securely by Stripe

## Links
- Website: https://screensnapshot.t10.net
- Privacy Policy: https://screensnapshot.t10.net/privacy.html
- Contact: https://screensnapshot.t10.net/contact.html

## Optional
- [Full details](https://screensnapshot.t10.net/llms-full.txt): Comprehensive technical specifications, permission explanations, feature details, and architecture overview