This refers to the built-in feature for saving videos within the app for offline viewing.
This covers external tools like YTDLnis or TubeMate that save video files directly to your phone's gallery.
This involves using sites like SaveFrom.net or browser extensions to download videos without installing a separate app. Which of these methods Related Tools & Resources
If you prefer not to install standalone apps, the YouTube Downloader extension for Firefox is a solid mobile-friendly option. deniscerri/ytdlnis: Full-featured audio/video ... - GitHub
For a powerful, open-source experience, many users prefer ytdlnis on GitHub as it uses the robust yt-dlp engine.
You can find a detailed breakdown of the best YouTube downloaders on DTF to see which fits your needs.