It is a FLOSS, powerful, multitasking and cross-platform graphical user interface (GUI) for FFmpeg and yt-dlp.
Curlew
Curlew is an easy to use, Free and Open-Source Multimedia converter for Linux.
MystiQ
Easy to use and elegant Multimedia converter.
pdf2png
Convert PDF books to multiple images in various image formats.
DeaDBeeF
DeaDBeeF lets you play variety of audio formats, convert between them, customize the UI almost any way you want, and use many additional plugins which can extend it even more.
Handbrake
HandBrake is an open-source video transcoder.
Converseen
Uban sa Cigcorseen mahimo ka mag-usab, magbag-o, mag-rotate ug mag-flip sa usa ka walay kinutuban nga gidaghanon sa mga imahe nga adunay usa ka pag-klik sa mouse.
Cyan
The ciano is a multimedia converter for all the format you need.