i was asking this EXACT question at the start of this year!! i think my best advice is to just give it a try socially. can even be just one person that knows. the worst that can happen is you change your mind which you’re totally allowed to do! that’s what self discovery is all about:) i also tried out different pronouns and a new name and stuff in a couple of trans friendly discord servers and that was super awesome for me! it gave me the confidence to start telling my irl friends good luck!