Guides

Short answers for printing a QR code once and keeping it working.

• Why a QR code stops working

  A printed QR code that stopped working was usually switched off by its generator, or its page moved. How to tell which of six causes it is, and how to fix each.

• Static vs dynamic QR codes

  A static QR code holds your link; a dynamic one holds a short link you can change after printing. What that changes for cost, scan counts and what happens if you stop paying.

• Free QR code generators that don’t expire, compared

  Which free QR code generators make codes that never expire, and where the catch is: trials, scan caps and logos on free dynamic codes. Checked October 2026.

• QR code size calculator

  How big to print a QR code, from how far away people scan it and how much it holds.