How to download youtube videos or playlist in Linux OS

Today I am going to show you , how to download youtube videos in Linux .


Suppose you have found a favorite YouTube playlist, and want to download all videos in the playlist to play them back locally. There are several ways to download YouTube videos in a batch.
youtube-dl is one of the most powerful YouTube downloader tools available on Linux. In this tutorial, I will describe how to download YouTube playlist by using youtube-dl.

s a command-line program written in Python that downloads videos from various online video sharing sites, including YouTube, DailyMotion, Vimeo, etc. Since the tool is written in Python, it can run on any platform that has Python interpreter (in particular, Python version 2.6, 2.7, or 3.3+). A binary for Windows platform is also available.
Here is a guide on how to download and save YouTube videos by using youtube-dl.
First install youtube-dl on your Linux system.
To install youtube-dl on Debian:
$ sudo apt-get install python-dev python-pip gcc
$ sudo pip install --upgrade youtube_dl
To install youtube-dl on Ubuntu or Linux Mint:
$ sudo apt-get install youtube-dl
To install youtube-dl on CentOS or RHEL, first set up EPEL repository on your system, and then run:
$ sudo yum install youtube-dl
To install youtube-dl on Fedora, simply run:
$ sudo yum install youtube-dl
Instead of using a package manager, you can also download youtube-dl Python code directly from its website, and use it.
Once you have installed youtube-dl, it is straightforward to download a YouTube video. You just need to pass a YouTube video link to youtube-dl. It will go ahead and fetch the video and store it as mp4/flv format.
$ youtube-dl http://www.youtube.com/watch?v=ykp8fxHWcVo
[youtube] Setting language
[youtube] ykp8fxHWcVo: Downloading video webpage
[youtube] ykp8fxHWcVo: Downloading video info webpage
[youtube] ykp8fxHWcVo: Extracting video information
[download] Destination: ykp8fxHWcVo.mp4
[download]   3.5% of 56.72M at  367.13k/s ETA 02:32^C

Resume Interrupted Downloads of YouTube Videos

The youtube-dl tool supports resuming interrupted downloads. If youtube-dl is killed (for example by Ctrl-C or due to loss of Internet connectivity) in the middle of download, you can simply re-run it with the same YouTube video url. It will automatically resume the unfinished download, as long as a partial download is present in the current directory.

Download YouTube Videos in Multiple Formats

Most of YouTube videos nowadays are available in multiple resolutions and formats in order to support various devices and Internet connections. The youtube-dl tool actually allows you to choose a specific resolution and format when downloading YouTube videos.
Since different YouTube videos may have different resolutions ready, you first need to check available video formats of a given YouTube video. For that, run youtube-dl with "-F" option. It will show you a list of available formats.
$ youtube-dl -F http://www.youtube.com/watch?v=BlXaGWbFVKY
[youtube] Setting language
[youtube] BlXaGWbFVKY: Downloading video webpage
[youtube] BlXaGWbFVKY: Downloading video info webpage
[youtube] BlXaGWbFVKY: Extracting video information
Available formats:
37      :       mp4     [1080x1920]
46      :       webm    [1080x1920]
22      :       mp4     [720x1280]
45      :       webm    [720x1280]
35      :       flv     [480x854]
44      :       webm    [480x854]
34      :       flv     [360x640]
18      :       mp4     [360x640]
43      :       webm    [360x640]
5       :       flv     [240x400]
17      :       mp4     [144x176]
Now among the available video formats, choose one that you like:
$ youtube-dl -f 17 http://www.youtube.com/watch?v=BlXaGWbFVKY

Download YouTube Videos in a Batch

If you want to download multiple YouTube videos in one shot, all you have to do is to prepare a text file that contains urls of all the videos. Then run youtube-dl with "-a" option.
$ cat video.list
$ youtube-dl -a video.list

Extract Audio (MP3) From YouTube Videos

If you would like to extract audio from YouTube video and save it as a MP3 file, you can do the following.
First, install FFmpeg on your system.
Then use the following command to save the audio of YouTube video as a separate MP3 file. youtube-dl will use FFmpeg to perform audio extraction.
$ youtube-dl http://www.youtube.com/watch?v=BlXaGWbFVKY --extract-audio --audio-format mp3

Define Default Options of Youtube-dl

You can put commonly used options (e.g., --extract-audio --audio-format mp3) in youtube-dl's configuration file, which is located at either /etc/youtube-dl.conf (system-wide) or ~/.config/youtube-dl.conf (per-user), in which case those options become "default" arguments that you do not have to specify explicitly from the command line.
Next, find out the URL of the YouTube playlist that you want to download. To do so, go to the YouTube playlist page that you want, and copy the URL. The URL format of a YouTube playlist is http://www.youtube.com/playlist?list=XXXXXXXXXXX, as shown in the screenshot below.

Now, go ahead and run the following command to download all YouTube videos in the playlist.
$ youtube-dl -citk --max-quality FORMAT http://www.youtube.com/playlist?list=XXXXXXXXXXX
The command-line arguments used in the above command are as follows.
  • -c: resume partially downloaded video files
  • -i: continue upon download errors
  • -t: use video title as the file name
  • --max-quality FORMAT: download video in the highest quality format
If you want to download all YouTube videos in the playlist, as well as extract MP3 audio from each video file, then first install FFmpeg on your system, and run the following command.
$ youtube-dl -citk --max-quality FORMAT --extract-audio --audio-format mp3 http://www.youtube.com/playlist?list=XXXXXXXXXXX
The additional "-k" option in the above makes youtube-dl keep downloaded videos. Without this option, youtube-dlwill erase downloaded video files after extracting MP3 files from them.

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