Castmate

How to cast and download NTV videos

Tested October 27, 2026 with Castmate for Chrome.

  1. Open the NTV video in Chrome and start playing it.
  2. Click the Castmate icon in the toolbar. The video shows up with its title, length and quality.
  3. Press Cast and pick your TV. The TV plays the stream itself, in full quality, so you can close the laptop.
  4. Or press Download, then Save to computer, to keep it as one MP4 file. (Saving comes with the next Castmate update, 1.0.5.)

What we found

Test details

TestedOctober 27, 2026, Castmate 1.0.5, Chrome on macOS
StreamHLS stream (.m3u8)
Best quality found576p
TVonn. 4K Plus (Google TV, Chromecast built in): played directly from the site
Savedfirst 35 s as MP4, picture and sound

If it stops working, press Didn't work? Report it under the video in Castmate and we'll look at NTV again.

Add Castmate to Chrome

Only save videos you have the right to keep. NTV is a trademark of its owner; Castmate isn't affiliated with or endorsed by NTV. All guides · Support