While 3.3.7 was a minor update within the 3.3 series (which reached up to 3.3.10), these versions were characterized by:
: Beyond YouTube, it supported audio extraction from SoundCloud , Facebook , Vimeo , TikTok , and Instagram .
: When downloaded from the official 4K Download website , the software is considered safe and verified to be free of malware by multiple antivirus engines. 4K YouTube to MP3 3.3.7
: A built-in feature allowed for automatic uploading of downloaded tracks directly to an iTunes library for easy syncing with mobile devices. Version 3.3.7 Specifics
: The ability to download entire playlists or channels rather than just single videos. While 3
: The free version typically limits downloads to 15 per day, while the Pro License unlocks unlimited downloads, high-quality YouTube Music extraction, and concurrent threads. 4K YouTube to MP3 26.0.0.277 для Windows - Uptodown
: It allowed bitrates ranging from 128kbps up to 320kbps , though actual quality is limited by the source file's original upload. Version 3
: The original 4K YouTube to MP3 has been largely superseded by 4K YouTube to MP3 Plus , with support for the original non-plus version officially ending in early 2026.