: Stable, supports 4K quality, and is free of intrusive malware found on online converter sites. Cons : Free version has daily limits on playlist length. 4. aTube Catcher: The All-in-One Utility

: Legally saving tracks for offline playback on iOS and Android.

For users who want zero risks and direct artist support, YouTube Music is the gold standard.

: 100% safe; perfectly integrated with the YouTube ecosystem.

: High-quality batch downloads and entire playlist saving on Windows, macOS, and Linux.

: Built-in screen recorder and the ability to create audio CDs from downloads. Pros : 100% free with no locked "premium" areas. Cons : The interface can feel dated compared to modern apps. Summary Table: Which App Should You Choose? Best App Recommendation Key Differentiator Official (All) YouTube Music Legal, safe, and supports creators Android Ad-free, open-source, background play Desktop (PC/Mac) 4K Download to MP3 High-quality batch/playlist downloads Windows Utility aTube Catcher Comprehensive converter and screen recorder Browser-Based MP3Juices No installation required; works on any device Important Legal & Safety Considerations

For PC and Mac users, specialized software often outperforms browser-based tools. 4K Video Downloader and its sister app, 4K YouTube to MP3, are industry leaders.