Lower levels allow for smaller QR codes but they are more difficult to scan in poor conditions.
Try using a URL shortener if the generated code is overly complex.
Higher levels makes QR codes easier to scan in poor conditions. Medium is recommended.
Try using a URL shortener if the generated code is overly complex.
High is recommended for non-ideal applications including outdoors, or when embedding a logo.
Try using a URL shortener if the generated code is overly complex.