As per some of IGT's pro gitarist i started trying hands on tuning gitar.. This site is good for that... Try it ..it can help you out tooo... https://www.guitarforbeginners.com/onlinetuner.html
^^ hey pal .. i understand ur learnin guitar .. but pal plz .. for sweet lords sake its "GUITAR" .. not gitar .. sorry but it lookz really aweful ..