YOU SAID:

You are the coolest friend ever

INTO JAPANESE

あなたは今まで最高の友達です

BACK INTO ENGLISH

You are the best friend ever

INTO JAPANESE

あなたは一番親しい友達です

BACK INTO ENGLISH

You are my closest friend

INTO JAPANESE

あなたは私の親友です

BACK INTO ENGLISH

You are my best friend

INTO JAPANESE

一番の友達だもの。

BACK INTO ENGLISH

You are my best friend.

INTO JAPANESE

一番の友達だもの。

BACK INTO ENGLISH

You are my best friend.