Air fryers have become popular for making crispy food with less oil, leading many people to wonder whether aluminum foil is safe to use inside them. The short answer is yes, you can use aluminum foil in an air fryer—but only if you follow proper safety guidelines and check your appliance’s manual first.

If your air fryer allows foil, use it carefully. Do not cover the entire basket or block the air vents, as air fryers rely on strong air circulation to cook food evenly. Keep the foil secured so it doesn’t move around and never let it touch the heating element, which could create a fire hazard. Foil works best for lining the bottom lightly or wrapping foods that need to retain moisture.

There are some risks to consider. Improper placement can cause uneven cooking or even fire. Too much foil may block airflow, and loose foil can be blown into the heating element. Some people also prefer to limit aluminum exposure when cooking at high temperatures, although the overall risk is considered low.

If you’d rather avoid foil, good alternatives include silicone liners, parchment paper (properly fitted to allow airflow), or air-fryer-safe baking pans. These options help prevent sticking while maintaining safe and effective cooking performance.