I use the Chrome extension Multiselect for YouTube from the great Pollux.

I have just now moved 5000 videos from 'Watch Later' to other playlists.

Multiselect for YouTube

 Chrome Web Store   Firefox Add-Ons

Move, sort, and copy videos in your playlists faster and easier.

This extension will save you a lot of time managing your playlists.

✔️ Supports the new interface Manifest V3
✔️ The user experience has been redesigned from the ground up
✔️ Same display dark/light as in YouTube
✔️ Selected videos are clearly highlighted
✔️ Icon button to toggle multiple selection on/off
✔️ Action bar
✔️ Context menu
🚀 Keyboard navigation
🚀 Copy, cut and paste videos
✨ Find duplicates
🎁 Select videos with title filter

I use the Chrome extension Multiselect for YouTube from the great Pollux.

I have just now moved 5000 videos from 'Watch Later' to other playlists.

Multiselect for YouTube

 Chrome Web Store 
 Firefox Add-Ons

Move, sort, and copy videos in your playlists faster and easier.

This extension will save you a lot of time managing your playlists.

✔️ Supports the new interface Manifest V3
✔️ The user experience has been redesigned from the ground up
✔️ Same display dark/light as in YouTube
✔️ Selected videos are clearly highlighted
✔️ Icon button to toggle multiple selection on/off
✔️ Action bar
✔️ Context menu
🚀 Keyboard navigation
🚀 Copy, cut and paste videos
✨ Find duplicates
🎁 Select videos with title filter

I used this Chrome extension from the great Pollux. I have just now moved 5000 videos from 'Watch Later' to other playlists.

I use the Chrome extension Multiselect for YouTube from the great Pollux.

I have just now moved 5000 videos from 'Watch Later' to other playlists.

Multiselect for YouTube

 Chrome Web Store  Firefox Add-Ons

Move, sort, and copy videos in your playlists faster and easier.

This extension will save you a lot of time managing your playlists.

✔️ Supports the new interface Manifest V3
✔️ The user experience has been redesigned from the ground up
✔️ Same display dark/light as in YouTube
✔️ Selected videos are clearly highlighted
✔️ Icon button to toggle multiple selection on/off
✔️ Action bar
✔️ Context menu
🚀 Keyboard navigation
🚀 Copy, cut and paste videos
✨ Find duplicates
🎁 Select videos with title filter

I used this Chrome Add-On extension from the great Pollux. I have just now moved 5000 videos from 'Watch Later' to other playlists. https://chrome.google.com/webstore/detail/multiselect-for-youtube/gpgbiinpmelaihndlegbgfkmnpofgfei

I used this Chrome extension from the great Pollux. I have just now moved 5000 videos from 'Watch Later' to other playlists.