Via https://mastodon.gamedev.place/@zeh/110851781460641259
Use FFmpeg recipes without fiddling with the command line!
FFmpeg.app is a web-based front end to FFmpeg, the free and open-source application and libraries for processing of video and audio files. Its purpose is to serve as an easy front-end to this powerful tool, so anybody can discover and use it with no setup (or command-line access) necessary.
Yes, you can ask it and see. Sometimes it misses, but it’s generally easily fixable, sometimes you can even ask it to fix it.
It not only gives you the command with a handy “copy” button, but also explains why it chose each argument.