Download Multiple YouTube Videos

How can i download multiple YouTube videos by entering the URL’s.
IDM does not recognize the link.
Used YouTube Get but i can enter only 1 link at a time.
Any help would be appreciated.
Answer #1
IDM copies youtube videos

Answer #2
i have many video links.Downloading each video individually will take a lot of time.
Answer #3
jDownloader. Copy the links onto clipboard, jD will do the rest of the work.
Answer #4
Use JDownloader.
Answer #5
JDownloader is ~love~.Tell me of another downloader.