⏱️ For playlists with 100+ videos, expect browser slowdown. Consider using yt-dlp (command line) instead.
If you only need to manage or extract data from a playlist without downloading the actual video files, consider these: youtube playlist downloader firefox plugin
to handle high-resolution files or complex playlist merging. YouTube Subs & Playlists Saver ⏱️ For playlists with 100+ videos, expect browser