QR code guides.Short, practical, free.

• How to make a QR code for a link

  To make a QR code for a link, paste the web address into a QR code generator, choose colours, then download the code as PNG or SVG. On QRNexus this takes seconds, is free and needs no account.

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• How to make a WiFi QR code

  To make a WiFi QR code, choose the WiFi type, enter your network name (SSID), password and security type, then download the code. Guests scan it with their phone camera to join automatically.

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• How to make a WhatsApp QR code

  To make a WhatsApp QR code, choose the WhatsApp type, enter your phone number in international format and an optional starting message, then download the code. Scanning it opens a chat with you.

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• How to make a contact-card (vCard) QR code

  To make a vCard QR code, choose the Contact type, fill in your name, company, phone, email and website, then download the code. Scanning it offers to save your details as a new contact.

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• How to make a QR code for your menu

  To make a QR code for a menu, put your menu online (a web page or PDF), paste its link into the Link / URL tab, then download the code as SVG for print. Place it on tables, windows and takeaway bags.

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• Static vs dynamic QR codes

  A static QR code stores its content directly in the image, so it never expires and can't be changed. A dynamic QR code points to a redirect link that can be edited and tracked, but usually stops working if you stop paying the provider.

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