how to move developer tools tab to bottom of screen

Based on a quick web search:

https://stackoverflow.com/questions/10023640/how-to-reposition-chrome-developer-tools#10035408

If whatever web scraper you’re using is not working to your needs, check with the app developers.

There are many web scrapers available too, and more than a few web sites also support APIs.

For assistance with Chrome and Chrome’s configuration settings, check with Google.