FixQR

Articles

Notes on what a QR code is and why a code will not scan.

• What is a QR code

  Updated October 22, 2026. A QR code is a square pattern a phone camera turns back into text, usually a web address. The code does not contain the page. The corner squares, the error correction, and the blank margin are what make that text recoverable.

• Why QR codes break or are hard to scan

  Updated October 22, 2026. A QR code can look finished and still fail. Size, quiet space, contrast, blur, busy art, and a painted square are the usual reasons a phone will not read it.

• Why AI flyers break QR codes

  Updated October 21, 2026. Image tools often draw a QR-like square that a phone cannot read. See the parts of a real code, how to spot a fake pattern, and how to add or replace one in FixQR.