Extension for capturing videos on Chrome or Firefox

I am interested in developing a Chrome or Firefox extension that can capture video from a window or tab. My goal is to record full screen videos, such as those on YouTube, for offline viewing similar to a DVR for online content. Creating an extension seems straightforward, so my main inquiries are:

  1. What is the process for capturing a full screen/window or tab using Javascript?
  2. Is it possible to position the captured window offscreen and adjust its size to fit a specific device, like a tablet?

Answer №1

Take a look at this innovative Mozilla Labs addon:

Experience Mozilla Labs: Rainbow 0.5 developed by Mozilla Labs

Explore the possibilities of recording audio and video directly in your browser!

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