Notice: If you are having issues with Java, try the KeepVid Helper Userscript v0.2. Currently works with Google Chrome, Mozilla Firefox and Opera
Please report any issues to:

To continue, please click 'Run / Allow / Always Trust' when prompted.
Tick the box 'Always trust content from this publisher' to download seamlessly in the future.

You can now join (Video Only) and (Audio Only) streams with KeepVid Video Joiner.