The word it is a pronoun, and when you make a pronoun possessive, it changes form. He becomes his, she becomes her, we becomes our, and who becomes whose. The possessive form of it is its.

Its (without an apostrophe) is the possessive form of it, so it means ‘belonging to it’. It’s (with an apostrophe ‘s’) is a contraction (shortened form) of it is or it has. Its’ (apostrophe after the ‘s’) is not actually a word, even though people sometimes mistakenly use it in place of its.

Its is a possessive form of the pronoun it, meaning belonging to it. It’s is a contraction of the phrases it is or it has.

It’s is a contraction and means “it is” or “it has“. Its is a possessive form that is used to show possession or ownership, meaning the belonging of something to it.