How to Say "mind you" in Spanish
The Spanish word for “mind you” is “conste” — B1 level. This is a very common word in everyday Spanish.
English → SpanishB1
interjectionB1
adding a warning or clarification

Examples
Yo no quería venir, ¡que conste!
I didn't want to come, for the record!
Que conste que yo te avisé con tiempo.
Let it be known that I warned you ahead of time.
Stand-alone 'Conste'
You can use '¡Conste!' after someone says something to say 'I'm holding you to that!' or 'Don't forget it!'
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