QR Code Knowledge Base

Practical, jargon-free guides to creating and using QR codes. Pair any guide with our free QR code generator to make a code in seconds.

• What Is a QR Code?

  A plain-language guide to how QR codes work, the main types, and when to use each one.

• Free QR Code Generator

  How to create and download QR codes for free, with no sign-up required.

• Wi-Fi QR Code Generator

  Let guests connect to your network by scanning a code instead of typing a password.

• QR Code for Business Cards

  Put a scannable code on your card to share a contact or link instantly.

• vCard QR Code Generator

  Generate a digital contact card that saves directly to a phone's address book.