Castmate finds the video playing on a page and sends its original stream to your TV in full quality, or, from the next update, saves it to your computer as an MP4.
Add to ChromeHLS, DASH and MP4, including players that hide them, with the video's title and thumbnail.
Download what it finds as one MP4: files, HLS and DASH streams, picture and sound joined. DRM, encrypted and live streams stay off limits. Coming in the next update (1.0.5).
Chromecast, Google TV and TVs with Google Cast built in.
The TV plays the stream itself: no lag, no tab capture, no laptop fan.
No account and no ads. The extension has no analytics, and what you watch stays in your browser.