Are there any tools / methods for automating work in the browser?

Question

C++ / C#

That is, you need to launch a browser and emulate a mouse and keyboard there. Preferably in C#. At the same time, running processes should not interfere with the main work, i.e. should not capture the mouse and keyboard

Answer 1

Selenium , can in headless mode, can simulate keyboard and mouse.
Here , see the list of all available classes, for example, for moving the mouse and pressing buttons.