Mobile Testing without connecting the devices to the system

What is the possible way to test the mobile web browsers for Android and ios without connecting the devices to the system?
Is there any simulators like Mobile/responsive web design tester which is in chrome extension available?

Please help!!!

Hi @prabhakaran.m-extern,

You should be able to test on the mobile web browser of a simulator/emulator. Here is some documentation that might help:

https://docs.katalon.com/katalon-studio/tutorials/running_application_mobile_browsers.html#what-youll-learn

Hope this helps,

Chris