Preheat your air fryer to 300°F (150°C) for a few minutes.
In a large bowl, separate the egg whites from the yolks, ensuring no yolk is left in the whites to maintain the fluffiness of the cloud bread.
Add the cream cheese and, if desired, salt and garlic powder to the egg yolks, mixing until smooth and well combined.
In a separate bowl, add cream of tartar to the egg whites.
Using an electric mixer, beat the egg whites on high speed until stiff peaks form; they should be glossy and hold their shape.
Gently fold the egg yolk and cream cheese mixture into the beaten egg whites, taking care not to overmix to preserve the fluffiness.
Line the air fryer basket with parchment paper or use silicone mats for easy cleanup.
Scoop spoonfuls of the cloud bread chip mixture onto the parchment paper in the air fryer basket, forming rounds about 3 to 4 inches wide, leaving space for expansion.
Place the air fryer basket in the preheated air fryer and air fry at 300°F (150°C) for 10-12 minutes or until golden brown with a slightly crispy exterior.
Remove the cloud bread chips from the air fryer and let them cool for a few minutes.
Serve the cloud bread chips as a low-carb alternative with your favorite dip!