What is how to say i love you in japanese?

There are several ways to say "I love you" in Japanese, ranging from casual to very formal and serious. Here are a few options:

愛してる (Aishiteru): This is the most direct translation and closest to the English "I love you." However, it's a very strong statement and not used casually. It implies a deep, serious, and often long-term love. Because of its weight, it's typically used between couples who are deeply committed, like married couples. 愛してる
愛しています (Aishite imasu): This is a slightly more polite version of aishiteru, but still carries the same weight and meaning. It is slightly more formal but still used to express deep love. 愛しています
大好き (Daisuki): This translates to "I really like you" or "I love you a lot." It's much more common and versatile than aishiteru. It can be used for friends, family, or romantic partners. It expresses strong affection without the seriousness of aishiteru. This is a more frequently used expression of love in Japan. 大好き
好きだよ (Suki da yo) / 好きだよ (Suki dayo): This simply means "I like you." The "yo" at the end adds a slightly masculine nuance and emphasis. It's a more casual way to express affection and often used in romantic contexts, especially when confessing feelings. 好きだよ or 好き%20だよ
好きです (Suki desu): This is the polite version of "I like you." It's suitable for someone you respect or aren't very close to yet. 好きです

Important Considerations:

Context: Japanese communication is highly context-dependent. Pay attention to the situation and your relationship with the person you're addressing.
Nonverbal Cues: Body language and tone of voice are crucial. A genuine smile and sincere expression can convey more than words alone.
Saying it implicitly: Often, Japanese people express love and affection through actions and gestures rather than direct verbal declarations. Acts of service, thoughtfulness, and spending quality time together can be more meaningful than saying "I love you."