The Kosovo winger is said to have signed a four-year contract, while the transfer price has not been announced.
The 24-year-old spent three and a half seasons at Werder Bremen, where he scored 27 goals and gave 19 assists in 100 appearances in all competitions.
Norwich City in the 2021/2022 season will play in the elite of English football, after in the last edition won the second league in the English football system - Championship.