Use the built-in Clipchamp editor. Import your MP4, drag it to the timeline, and select the Text tab on the left sidebar.
Use iMovie . Drag your video in, click the Titles tab at the top, and choose a text style to overlay. IMG_2516.MP4
If you want to do this via command line, you can use the FFmpeg library : Use the built-in Clipchamp editor
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) drag it to the timeline