Download YouTube videos in HD

Every internet users loves to watch YouTube, but ironically only some groups of people know how to download free YouTube videos easily with least effort required.

Initially, we can only download free YouTube videos in FLV format. Until not long ago, YouTube has released high quality MP4 video as an additional feature for its users. It will be really satisfying if those MP4s can be downloaded.

The good news is, we know two tricks that can be used to download HD YouTube Video. And we feel that it’s such a great honor to share these.

Download with Activity Monitor
Everything that is visible to eyes are downloadable and for Safari web browser, all files can be spotted inside Activity Monitor. Amongst all of files listed inside, there exists a file linking to the HD Video. To spot and download it, follow these steps.

1. Open YouTube URL to video. Append URL with &fmt=18 to view HD video
2. Show up Activity Monitor (Command-Option-A)
3. Seek for file with largest size and Option-Click it
4. The download should be started with default name video.mp4

For Firefox users, HD YouTube video is downloadable using bookmarklet. Just drop the bookmarklet on Bookmark Bar and click on it when you are opening YouTube page. New link will appear afterwards.


Bookmarklet to Download YouTube HD
Here is the bookmarklet: YouTube HD
Drag it to your Bookmarks Bar and it will look like screenshot below.