what is imk in texting

"IMK" or "imk" is an acronym used in text messaging or online in informal situations. It stands for "In my knowledge" and is used to indicate that the person is pretty sure about what they are saying, based on their personal understanding or knowledge. It is similar to saying "As far as I know" or "My understanding". It is mainly used when trying to shorten a sentence in an informal conversation, most times when texting with friends, colleagues, or any other informal relationship.