Preheat oven to 350°F and line a baking sheet with parchment paper.
In a medium bowl, whisk together flour, baking soda, and salt; set aside.
In a large bowl, cream butter, granulated sugar, and brown sugar using an electric mixer until light and fluffy.
Add eggs and vanilla extract and mix until just combined.
Gradually add dry ingredients and mix until no visible streaks of flour remain.
Fold in chocolate chips gently.
Scoop about 2 tablespoons of dough onto the prepared baking sheet, spacing 2-3 inches apart.
Bake for 9-11 minutes until edges are lightly golden and centers are slightly underdone.
Remove from oven and immediately press heart-shaped cookie cutter into warm cookies to create heart shapes.
Allow cookies to cool on the baking sheet for 5-7 minutes, then transfer to a wire rack to cool completely.