How to Free Download YouTube HD Video on Mac OS X

Every internet user love watching videos on YouTube.
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.

Free Download YouTube HD Video with Safari Browser

We can download youtube HD videos with Activity Monitor now.
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

Free Download YouTube HD Video with Firefox Browser

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.



But for some videos, this bookmarklet doesn't work and the activity monitor trick will be needed.
Feel free to share your feeling on the comment box and point out if I've missed any.

How to burn youtube videos to DVD on Mac？

This article originally had a step-by-step guide on how to Burn YouTube Videos to DVD on Mac but it was later modified because YouTube terms prohibit users from saving YouTube videos to the computer or burning YouTube videos to a disk.

This also applies to Yahoo, Google, Break, Metacafe, MySpace, Gofish and other video sharing sites - they allow you to embed or play videos in the browser but you are not supposed to record videos, copy them or transfer videos to a DVD as they could be copyrighted video clips.

Step 1, Use Free Youtube Downloader for Mac to download youtube videos to Mac.

Here is the tutorial on how to download youtube videos for free.

Step 2, Use Video to DVD Burner to burn youtube videos to DVD on Mac.

Install and Run DVD Creator for Mac (video to DVD Burner).

You can download it for free from this link: Intel Version.

Load YouTube videos
Insert downloaded youtube (FLV) videos from your Mac. Click the Add button to load them.



Edit Youtube Files
You can trim and crop the video files and adjust the effects before burning the videos to DVD on Mac OS X.



Edit DVD Menu
This youtube to DVD burner for Mac allows you to create your own DVD menu with various built-in resources. Click the Menu button on the bottom right of the main interface to edit the DVD's menu.



Previewing the Project

After finishing all the editing, you can click the Preview button on the main interface to preview your DVD project.



Burn Youtube to DVD on Mac

After you choose the correct DVD disk and the suitable video quality, you can click the Burn button to set burning settings and burn your DVD project.

There are three output options: DVD, DVD Folder and ISO File.