Convert a MOV video to MP4

QuickTime’s File → Export As saves a copy most apps accept. For a real .mp4 file, the built-in avconvert tool writes one directly: give the output a .mp4 name and a preset such as Preset1920x1080.

How

Write an MP4 copy at 1080p:

avconvert --source video.mov --preset Preset1920x1080 --output video.mp4
Or just ask Titan
Convert the screen recording on my Desktop to MP4 so I can upload it. Do it with Titan

Titan is an AI that lives on your computer: tell it what you need and it does it while you watch — you press Return, nothing runs by itself. What is Titan?

Titan isn’t on this computer yet. Get Titan, then press the button again — the task will be waiting, typed in.

Related

Make a video smaller (720p)Get the audio out of a video