Youtube web does not provide a way to remove all videos from the watch later list without manually removing them one-by-one, making it a cumbersome process if your list contains hundreds of videos. This is a piece of javascript code can be used to clear all videos from a youtube watch later list.
Works with Youtube Web in the following languages:
- English, German, French, Czech, Polish, Brazilian Portuguese, Arabic, Dutch, Turkish and Korean
Navigate to your watch later page on youtube (https://www.youtube.com/playlist?list=WL).
Open your browser's developer console (Ctrl + Shift + I (Windows) or Alt + Cmd + I (macOS))
How to open your browser's developer console: https://help.securityjourney.com/en/articles/5464198-accessing-the-browser-console
Copy the code from watchlistRemover.js and paste it in your browser's developer console.
Be careful when running code found on the internet using your browser's console. Only execute code you trust.