Videos are fun to watch. Everyone loves to watch videos, store them on hard disk and convert them for watching on their favorite media players. We searched, and hunted down these add-ons for Firefox that will not only enhance your viewing pleasure, but will also let you do a bunch of other things with your favorite videos. While as most video sharing sites allow you to allow embedding video on your own web-pages, only some of them allow to download them directly. We have included a couple of them to download videos from most of the video sharing websites too. First, you need to download and install Firefox if you haven't done already as all these add-ons work on Firefox only. Here are the add-ons:

1) Video DownloadHelper

Video DownloadHelper for Firefox

Any essential Firefox add-on list is incomplete without this add-on. Video download not only helps you to download videos from video sharing websites like YouTube and DailyMotion, it also lets you to set it up for automatic video conversion. Whenever you are watching a video, the Video DownloadHelper icon animates and shows you the options to download the video. You can setup the add-on for automatic conversion, so next time you download a video, it will be converted to a .avi or .mp4 format automatically. [Download]

2) FaceBook Video

Facebook Video Firefox

The FaceBook video add-on used to be a popular GreaseMonkey script for Firefox, but it is now a full add-on. With FaceBook video, you can download, covert and embed FaceBook videos outside the FaceBook. [Download]

3) CoolIris

cooliris

CoolIris allows you to watch video and photos in the most stunning way. Effortlessly scroll an infinite "3D Wall" of your content from Facebook, Google Images, YouTube, Flickr, and hundreds more.[Download]

4) YouPlayer

youplayer for Firefox

Have you wanted to surf videos and create playlists of your favorite videos at the same time? YouPlayer lets you do just that. With YouPlayer is a video player with playlist similar to Winamp. You may add/drag a video link into the playlist and watch it or download it. The supported sites included Google Video, MetaCafe, MySpace and YouTube with plans to add more in the future. [Download]

5) Flashgot

flashgot Firefox

Flashgot lets you download all the links, movies and audio clips embedded in a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download manager. [Download]

6) VideoSurf Videos at a Glance

videos-at-a-glance

Ever watched a video that said something else but contained something different? 'VideoSurf Videos at a Glance' provides a solution and saves you from wasting those valuable minutes you would waste by watching a fake video. With 'VideoSurf Videos at a Glance' you can get visual video summaries on Google, Yahoo! & Youtube. See what a video is about before watching it and jump around in time.This [Download]

7) GoogleTube

googletube

GoogleTube Firefox add-on adds a YouTube icon to your Google search results which prevents you from opening an extra tab/window as it display the video on search engine result pages. The player can easily be configured, you can choose your player style, colors and size. Choose whether you like to view the video below the search result or as a floating window next to it. [Download]

8) FetchMP3 Video to Audio Converter

fetchmp3

This is FetchMP3.com's official Firefox add-on which lets you download audio from almost any video you can find online. It is good for circumstances when you can't find your favorite song but can easily find its video on YouTube. [Download]

9) NetVideoHunter

netvideoloader

With NetVideoHunter, you can download videos and music from almost any Youtube-like video sharing site. Before downloading you can preview videos and music in a built-in media player. It has fullscreen and video smoothing capabilities, so you can enjoy videos in fullscreen with better quality even if the website's own player don't have this features. [Download]

10) GetDivX

With this add-on, you can download DivX files from many DivX streaming websites. If a divX file exists on the page you are viewing, open the context menu and select GetDivX. This will download the movie to your default download location. [Download]