Preheat your oven to 225°F (110°C).
Wash and dry the zucchinis thoroughly.
Slice the zucchinis thinly (about 1/8 inch) using a mandoline or sharp knife.
In a large bowl, combine olive oil, garlic powder, onion powder, paprika, salt, and pepper.
Toss the zucchini slices in the bowl until they are evenly coated with the oil mixture.
Arrange the zucchini slices in a single layer on a baking sheet lined with parchment paper.
Bake for 30-40 minutes, flipping the chips halfway through for even cooking.
Remove when golden brown and crispy.
Let the chips cool on a wire rack for a few minutes before serving.
Enjoy your crispy zucchini chips as a snack or appetizer!