This is the 3713th most frequent Japanese word.
かな
"かな" is a particle expressing uncertainty or wonder, often translated as "I wonder" or "maybe."
The word 'かな' is used at the end of this sentence to express personal uncertainty or contemplation about the decision to go to the party.
パーティーに行こうかな。
I wonder if I should go to the party.
Here, 'かな' conveys a slightly doubtful tone or seeking confirmation from oneself or others regarding the adequacy of the situation.
これでいいかな。
Does this look good?
'かな' in this context reflects the speaker's curiosity or hope regarding the possibility of the person coming.