Thanks to a popular Greasemonkey script turned Firefox add-on you can now rip videos from Facebook to watch whenever and where ever you want to. The simply named Facebook Video add-on for Firefox will help you get the job done.
How Does It Work?
This extension adds the functionality to download, convert or embed videos posted on Facebook. When you click the download video link, the video will open as a .mp4 file. You can then select, “Save Page As” from the File option in your menu bar to choose where to save the file on your PC.
The convert video link will take the video to the Zamzar free file conversion web site, where you can convert the file to .flv, .wmv, .avi, or the audio formats .mp3, .flac, or .wav.
Start Downloading Facebook Videos! – You can pick up the Facebook Video add-on from the Firefox Add-ons web site. So there you have it, now you can grab those Facebook videos you have been wanting to save to watch later. (Kudos goes to ZeroPaid.com for finding this tip!)