You can use Clipchamp (via YouTube guide) to import your asset, drag it to the timeline, and use the "Text" tab to overlay customizable titles.
Could you tell me or where you intend to post it? g60989.mp4
Apps like CapCut or InShot are excellent for quickly adding subtitles or stylized headers directly from your phone. You can use Clipchamp (via YouTube guide) to
Tools like the Flixier MP4 Editor allow you to upload the file, drag it onto a timeline, and add animated or static text layers. drag it to the timeline
If you are looking to to this MP4 file, here is how you can do it using common tools: