4K Video Downloader Plus

4K Video Downloader Plus is a cross-platform desktop and Android application for saving video and audio from YouTube and other sites such as Vimeo, TikTok, SoundCloud, Facebook, Twitch, and Bilibili. It handles single links as well as playlists, channels, search results, and private content the user has access to, and can extract audio and subtitles.

Features include downloads in resolutions up to 8K, formats such as MP4, MKV, MP3, M4A, and OGG, subtitle extraction in SRT, Smart Mode for applying saved preferences, an in-app browser, proxy connection, download management with sorting and JSON import/export, automatic downloads of new videos from subscribed playlists and channels, and AI processing for sound enhancement, vocal removal, and echo reduction. It runs on Windows, macOS, and Linux Ubuntu, with a native Android app.

The app is aimed at personal and professional users. A free Starter edition provides basic features permanently with quantity limits, while paid editions add main features and, for professional use, a commercial license; paid options include annual and lifetime access. New users can try premium features for seven days.