Robux is a virtual or digital currency of Roblox Platform. 

The first and the genuine way of getting Robux is directly buying it online from the official portal.

The Second method is buying Roblox Gift Cards which can purchased from its official portal itself.

Robux Gift Cards are the easiest way to add credit you can spend toward Robux or a Premium subscription.

If you want to get free robux then you can build an experience and earn Robux in different ways.

Lastly stay away from Robux Generator, there is no as such tool.

Its a digital currency which can be purchased only or can be earned by completing several tasks available on Roblox.

Getting Free Robux is impossible, so don't fall for such scams if you see Free Robux banner while browsing.

Instead of wasting your time searching for free Robux or generator

better you buy roblox membership and try earning by creating shirts and pants or by building experience.