Belinic joined the Partisan movement in 1941. He was a member of the Politbureau of the Central Committee of the Croatian Communist Party and served as a councillor in ZAVNOH and AVNOJ (Partisan-led Croatian and Yugoslav wartime legislatures).
Belinic was awarded a memorial medal for his role in the anti-fascist struggle and was declared a national hero. In 2003, President Stjepan Mesic awarded him a high state decoration.