there are many such syntax generator websites for simple video conversion like tasks. see: https://www.mrfdev.com/ffmpeg-command-generator https://www.mrfdev.c

there are many such syntax generator websites for simple video conversion like tasks. see: https://www.mrfdev.com/ffmpeg-command-generator https://www.mrfdev.com/ffmpeg-command-generator http://www.mackinger.at/ffmpeg/ http://www.mackinger.at/ffmpeg/ https://marceauka.github.io/ffmpeg-generator/# https://marceauka.github.io/ffmpeg-generator/#