How to parse text from textbox to webviewer

Hi, I am trying to parse text from textbox to website (trying to edit profile from the app). What I want how do is lets say I want to change my name in my profile of Google, facebook, Amazon, etc. I would like to do this altogether from my app rather than go to each site and do this manually. How do I achieve this?

Not possible without opening website

And how can I parse the text after opening the site?

By doing some web Scraping