If your goal is to get a script of what is being said in the video, you can use AI-powered transcription tools.
If you want to "develop" text as in adding or modifying visual text on the screen: Newly_marzen)mp4
: Sites like Clideo , HappyScribe , and Zamzar allow you to upload your MP4 and download a .txt , .srt (subtitle), or Word file. Free Tools : If your goal is to get a script