Islam is a peaceful religion. But why do people think that Islam is a violent religion? Probably they know nothing about Islam. Before calling them a violent religion, One must study Islam properly . You should study the Quran and Hadith to know Islam correctly and better.For example:- لکم دینکم ولی دین۔Mean :-Your religion is for you and our religion for us.لا اکراہ فی الدین۔Mean:-There is no compulsion in Islam.That means, Islam is a peaceful religion in the world.