Nice you can copy selectet links like the name says, also on youtube. go to the channel wich playlist or videos u want. go to videos or playlists. seach the list u want, click on: "show the whole complete playlist". mark all videos u want, right mouse klick > copy selectet links > paste it in a text file done!
Right-click selected text to copy the URL of any links it contains
This extension allows users to copy the URLs of all the links at once when selecting text on a page
The plugin is also available for Firefox
The developer has mentioned that the extension won't be maintained further but will remain available for download
For more information and issue filing, users can visit the linked homepage and support site