Preheat oven to 375 F. Line a cookie sheet with parchment paper or silplat mat.
Combine flour, baking powder, baking soda and salt in medium bowl; set aside.
Add butter, sugar and brown sugar to a large mixing bowl or stand mixer and beat well until creamed together
Add eggs and vanilla and mix until combined
Gradually mix in the flour and mix until combined
Stir in chocolate chips
Use a ¼ cup measuring cup to scoop spoonfuls of dough onto prepared cooke sheet, about 2 inches apart
Bake for 12 to 15 minutes or just until light golden brown around the edges. (Do not over bake.)
Let stand 1 minute on cookie sheet, then transfer to cooling rack to cool completely