How To Download Videos as FLV, MP4 from YouTube, Blip.tv, Vimeo, MySpace and Metacafe [Web Apps]

How to download videos from all popular video sharing sites like YouTube, Blip.tv, Vimeo, MySpace and Metacafe?

Quick Answer: KeepVid.com


Drag the above button to your bookmarks toolbar. Next time you are in a video page, click it to get the download links.

In addition to the flv file, keepvid also gives you the link to the better quality mp4 file, if one is available.
KeepVid.com supports a large number of video sharing sites:

1. Google Videos
2. Youtube
3. Break.com
4. iFilm
5. Putfile
6. Angry Alien
7. ArtistDirect
8. Blastro
9. Blennus
10. Blip.tv
11. Bofunk
12. Bolt
13. Castpost
14. Current TV
15. Dailymotion
16. DevilDucky
17. FindVideos
18. Free Video Blog
19. Grinvi (NSFW)
20. grouper
21. Hiphopdeal
22. LuluTV
23. Midis.biz
24. Music.com
25. MusicVideoCodes.info
26. Myspace
27. Newgrounds
28. PcPlanets
29. Pixparty
30. REVVER
31. sharkle
32. StreetFire
33. That Video Site
34. The One Network
35. VideoCodes4U
36. VideoCodeZone
37. vidiLife
38. Vimeo
39. vSocial
40. Web62.com
41. ZippyVideos

What other tools have you found useful? Please share in the comments.