COWATCH
Everyone plays their own local copy. Only play / pause / seek crosses the network — no video is uploaded.
Files
Video
Subtitles 1 (target language)
Subtitles 2 (your language, optional)
Offset 1
−0.5s
+0.5s
0.0s
Offset 2
−0.5s
+0.5s
0.0s
Watch together
Connect
Load a video, then connect.