Guides

Short, practical articles so you can generate codes that actually scan — not just pretty squares.

• QR code types explained

  URL, text, email, phone, and SMS payloads — when to use each type and how to keep codes readable.

• Share Wi-Fi without typing the password

  How WIFI: QR strings work, WPA vs open networks, and what to do with hidden SSIDs.

• Create a contact QR (vCard)

  What fields scanners actually import, and how to keep a business card QR small enough to scan.

• Code 128 vs EAN-13

  Choose a barcode format for inventory labels or retail products, including check digits and UPC.

• Industry use cases

  Restaurant menus, parcel labels, retail GTINs, and event badges — with sample payloads you can copy.