Preheat oven to 425°F (220°C).
Line baking sheets with parchment paper.
Wash zucchini thoroughly under cold water.
Slice zucchini into 1/4-inch rounds using knife.
Place slices on paper towels immediately.
Sprinkle salt over all zucchini slices evenly.
Let sit for 10 minutes to draw moisture.
Pat dry each slice with paper towels.
Mix breadcrumbs, Parmesan, garlic powder, herbs together.
Drizzle olive oil over zucchini slices lightly.
Coat each slice with breadcrumb mixture thoroughly.
Arrange on baking sheets without overlapping pieces.
Bake for 20-25 minutes until golden brown.
Flip halfway through cooking time for evenness.
Cool on wire rack for 5 minutes.