Most built-in gallery apps have a "Video Editor" or "Create" tool.
A great online tool if you don't want to install software. Upload the MP4 to Canva's Video Editor and use the text tool. 🛠️ For Developers (FFmpeg) IMG_2516.MP4
Use iMovie . Drag your video in, click the Titles tab at the top, and choose a text style to overlay. Most built-in gallery apps have a "Video Editor"
ffmpeg -i IMG_2516.MP4 -vf "drawtext=text='Your Text Here':x=(w-text_w)/2:y=(h-text_h)/2:fontsize=24:fontcolor=white" output.mp4 Use code with caution. Copied to clipboard IMG_2516.MP4
If you want to do this via command line, you can use the FFmpeg library :
Popular free apps specifically designed for adding stylish text, captions, and effects to MP4 files. 💻 On Your Computer