An online free file converter. Allows to convert files up to 100 MB. The conversion may take a while depending on the size of a converted file and on how the service is busy. You can sign up to get better features, but all plans are paid. Zamzar is only useful for converting documents - for multimedia files it would be a better idea to convert them on your computer.
Very good for ripping clips from YouTube and other video sites. It has a decent speed, unlike many file converters i've encountered, and emails you the video. The only thing that really annoys me are the ads, but Firefox, NoScript, and adblock plus managed to fix that.
This site is excellent, I've used it for a very long time and I've never had anything bad happen to me on it. There are pop-ups sometimes, but if you have an ad blocker (like AdBlock Plus), they're nothing. File conversion at its best!
The site itself is good but its RIDDLED with ads and popups, all of which that have got past my pop up blocker so far WOT has given a bad rating for. Useful site by all means but don't trust the popups