Indeed, there is a tax. It is called Zakah, and it must be paid by every adult Muslim who is; mentally sane, free, and financially able, in order to support specific categories people:
"
The alms are only for the poor and the needy, and those who collect them, and those whose hearts are to be reconciled, and to free the captives and the debtors, and for the cause of Allah, and (for) the wayfarers; a duty imposed by Allah. Allah is knower, Wise." (The Holy Qur'an 9:60).
Every Muslim pays it, and it is roughly 2.5% of ones annual income. More info:
IslamiCity.com - Zakat
I agree.
In fact, I made my initial remark in the hope of you rebuking me the way you have. Allow me to explain:
On the one hand, you suggest that imposing taxes during the Mughal Empire, also payable by Muslims, was a sufficient impetus for Hindus to convert to Islam, yet you deny that forcefully converting them by the sword is possible.
according to you, Hindus were docile enough to convert through taxation, yet are militant enough to resist conversion through the sword. These is a paradox.
I do hope that you understand my point, and this should be sufficient to prove that the Hindus were not impelled to convert to Islam. as I recall – they were even given “people of the book” status.