This task can be performed using Seikai.TV
The Best Way To Learn Japanese Watching YouTube
Best product for this task

Seikai.TV
edtech
SeikaiTV extracts, translates and organizes Japanese vocabulary from any YouTube video.
What to expect from an ideal product
- Open Seikai.TV and paste any Japanese YouTube video link
- Click to scan the video and extract Japanese words
- View instant translations of every Japanese word used
- Save interesting words to your personal vocabulary list
- Study words in context with video timestamps for each usage