Tampermonkey script to export videos from your YouTube Watch Later page to a JSON or CSV file
- Go to your Watch Later and wait for the page to load
- Click Run script in the Tampermonkey menu
- Enter URL or ID of video you want to stop at (so it doesn't have to process the whole playlist). Alternatively leave it blank to process the whole playlist
- Select file type
- Press start and wait until download dialog appears
Disabling images might make the process faster. To do this in Firefox, head to about:config and set permissions.default.image to 2 (make sure to set it back to default once you're done).