About SQR

How long are QR codes valid for? Do they expire?What graphic formats do the generated QR codes support?How do I manage QR codes with SQR code generator?Can I customize a QR code with my company logo or icon?Can a QR code be edited/changed?Are QR codes free?Is it possible to count the QR code scans (tracking, analytics)?How do I generate a large batch of QR codes?Is there a scan limit for the QR codes?Can I use the generated QR codes for commercial purposes?Why is my QR code not working?