: Beyond YouTube, it supported audio extraction from SoundCloud , Facebook , Vimeo , TikTok , and Instagram .

: 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.

: Users could save audio in MP3 , M4A , or OGG formats.

: The original 4K YouTube to MP3 has been largely superseded by 4K YouTube to MP3 Plus , with support for the original non-plus version officially ending in early 2026.

4K YouTube to MP3 version 3.3.7 is a legacy release of the popular desktop application designed to extract and convert audio from online video platforms. While newer versions (such as ) have since been released, the 3.3.x branch remains a notable part of the software's history, predating the current "Plus" branding transition. Core Functionality As of its release period, the application specialized in:

: The ability to download entire playlists or channels rather than just single videos.