https://www.elegantthemes.com/marketplace/divi-responsive-helper/
Divi Responsive Helper | Divi Extensions
divi responsive helper
https://www.peeayecreative.com/product/divi-responsive-helper/
Divi Responsive Helper - The Ultimate Responsive Divi Toolkit
Quickly make Divi responsive on all devices with our new plugin featuring adjustable preview sizes and column stacking in the Divi Visual Builder!
divi responsive helpertoolkit