Videomass is a FLOSS, powerful, multitasking and cross-platform
graphical user interface (GUI) for FFmpeg and yt-dlp. Designed for
advanced and beginner users, it offers a wide range of features and
functions, making it a comprehensive software solution.

Videomass is Free (libre) Software, written in Python3 using the
wxPython Phoenix toolkit; it works on Linux, MacOs, Windows and
FreeBSD.

Optional dependencies
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yt-dlp : Required if you intend to download audio and video from
various sites. It can be installed after installing Videomass (which
won't need a rebuild).