QR code guides

How big to print a QR code for business cards, flyers, posters and banners — the distance rule, quiet zone, contrast and logo tips.

Create a QR code that joins your Wi-Fi network without typing the password — how it works, security settings, phone support and safety tips.

Troubleshoot a QR code that won't scan: size, quiet zone, contrast, inverted colours, glare, damaged print, broken links and more.

Set up a touchless QR code menu: what to put on it, how to print and place the code, and how to update prices without reprinting.

Let people save your contact details with one scan: what a vCard QR code contains, how to keep it scannable and when a dynamic card is better.

Understand the difference between static and dynamic QR codes, what each costs, and how to choose for print, menus, business cards and campaigns.

Create a QR code that opens a WhatsApp chat with your number and an optional pre-filled message: format, country codes and testing tips.

How QR code scams (quishing) work, how to check a code before you open it, and how to keep your own QR codes trustworthy.

Put your logo in the middle of a QR code safely: file types, the right size, error correction and how to test the result before printing.

Which file format to use for a QR code: PNG for screens, SVG for print and design, PDF for ready-to-print files, plus JPG and WebP.

Tag your QR code link with UTM parameters so Google Analytics shows which flyer, poster or table card brought each visitor.

Choose QR code colours that still scan: dark on light, enough contrast, why light-on-dark can fail and how to check with a scanner.

Create a QR code that opens a new email with the address, subject and message already filled in, and keep the code simple enough to scan.

Create a QR code that opens a place or exact coordinates in the maps app: when to use an address, when to use latitude and longitude, and how to test it.

Create a QR code that opens a text message to your number with the message already typed: use cases, formatting, length limits and testing.

Create a QR code that saves an event to the phone's calendar: the fields to fill in, time zones, keeping the code simple and where to place it.

Create a QR code that opens your Instagram, TikTok, YouTube, LinkedIn or other profile: what to enter, how to test it and where to print it.

Create a QR code that dials your number when scanned: number format, when to use call vs contact card, and print and testing tips.