You can say those phrases using the (어떤) 뜻으로 (말)하다 pattern. - I didn't mean that in a bad way = 나쁜 뜻으로 한 말[행동]이 아니었어요. (말 = remark, 행동 = action). - I meant that in a good way = 좋은 뜻으로 [의도로, 의미로] 한 말이었습니다. (뜻 = 의도 = intention, 뜻 = 의미 = meaning) (other related phrases) - I didn't mean it / I didn't do it on purpose = 일부러 그런 게 아닙니다 / 일부러 그럴 의도는 아니었습니다. - I had no ill will = 나쁜 뜻은 없었습니다.

Thanks for the recommendation ! :)

This is a good reference for you if you are looking for good translation aid. http://dic.impact.pe.kr It is excellent to search for common way to bridge between english and korean Putting {mean in good} as search key, this is one of phrases that come forth I didn't mean it 일부러 그럴 의도는 아니었습니다 Not exactly what you look for but give you a framework to massage your sentence.