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QR codes

Practical QR code guides: how QR codes work, how to create them, share Wi-Fi, add contacts, and prepare codes for everyday use.

How to create a vCard QR code for a business card
QR codes • 6 min read

How to create a vCard QR code for a business card

A vCard QR code lets someone save your contact details without typing your name, phone number, and email by hand. It works well on business cards, flyers, and email signatures.

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PNG or SVG for a QR code: which format should you choose?
QR codes • 6 min read

PNG or SVG for a QR code: which format should you choose?

The file format matters more than it seems. PNG is convenient for quick use, while SVG is better for print, design work, and scaling without blur.

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How to create a WiFi QR code for guests
QR codes • 6 min read

How to create a WiFi QR code for guests

A WiFi QR code lets guests join a network without typing the password. Learn what it should contain, where to place it, and what to check before printing.

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How to create a QR code for free
QR codes • 5 min read

How to create a QR code for free

QR codes are everywhere: menus, business cards, posters, tickets, and invoices. Creating your own takes only a few seconds. Here is how to do it, plus the details that make a QR code scan reliably.

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