Chrome extension

Gnomad Capture

Full-page screenshots & PDF export

Privacy-first Chrome extension for capturing entire webpages locally — programmatic scroll-stitching, sticky header suppression, redaction editor, and PNG or paginated PDF export. No servers, no tracking.

Add to Chrome Try WebApp Source code Technical case study → Privacy policy
Chrome extension Active
  • JavaScript
  • Chrome MV3
  • Canvas API
  • jsPDF

Key features

  • Smart full-page scroll stitching on SPAs and dashboards
  • Temporarily hides sticky headers and floating widgets during capture
  • Built-in redaction before copy, PNG, or PDF export
  • 100% local processing — nothing leaves the browser

Install

Manifest V3 extensions built for Chrome (Chromium). Search the store listing or load unpacked from the GitHub repo for development builds.

  1. Open the Chrome Web Store link above and click Add to Chrome.
  2. Pin the extension from the puzzle menu for quick access.
  3. Developers: clone the repo, open chrome://extensions, enable Developer mode, and load unpacked.

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