The PlayOn browser extension was the one thing that always worked, and now Playon has taken it away. The older version is not compatible with newer versions of Firefox or Opera and flat doesn't work in Chrome. In the latest version of Playon, it has been completely removed. With the PlayOn browser extension it was at least helpful for downloading multi-segment videos, but now that it's gone the already low value of Playon is now even lower.
PlayOn browser extension, REMOVED