Full Page Screenshotter — Amarjit

Full Page Screenshotter captures complete web pages in Firefox, including content below the visible screen.

Use Fast Capture for normal pages, or Dynamic Scroll Capture for long, lazy-loaded, app-style pages with vertical, horizontal, or nested scrolling.

The extension only captures a page when you click the toolbar button.

Code is fully opensource - https://github.com/Amarjit/full-page-screenshotter

Features:
✓ Fast Capture for normal pages
✓ Dynamic Scroll Capture for tricky long pages
✓ Handles vertical, horizontal, and nested scroll areas
✓ Hides repeated sticky headers, nav bars, and common chat widgets
✓ Advanced options for delay, overlap, max scrolls, backgrounds, and animations
✓ Opens result in a new tab with Download and Copy buttons
✓ Private by design: captures only when you click, with no tracking, no analytics, no uploads, and no external services