If you want to do this via command line, you can use the FFmpeg library :
Use iMovie . Drag your video in, click the Titles tab at the top, and choose a text style to overlay. IMG_2516.MP4
To add text to a video file like , you can use several free and professional tools depending on your device and skill level. 📱 On Your Phone (Easiest) If you want to do this via command