Guides
Practical, no-fluff guides for getting the most out of QR codes — written to support the tools on this site, not to pad a blog.
All guides
Jan 12, 2026
How to Create a QR Code for WiFi
Step-by-step guide to creating a WiFi QR code so guests can connect by scanning instead of typing your password.
Jan 12, 2026
How to Create a QR Code for WiFi on iPhone
How to make a QR code for WiFi on iPhone (also called a WiFi QR code on iPhone), plus how to scan one with the Camera app.
Jan 12, 2026
How to Create a WiFi QR Code on Android
How to generate a WiFi QR code on Android, including the built-in WiFi QR sharing feature in Android settings.
Jan 14, 2026
How to Share WiFi With a QR Code
The fastest ways to let guests join your WiFi without reading out a password: printed QR codes, framed codes, and phone sharing.
Jan 15, 2026
How to Create a vCard QR Code
How vCard QR codes work, what fields to include, and how to generate one that saves cleanly to iPhone and Android contacts.
Jan 16, 2026
How to Create a QR Code for a Business Card
What information to include, how big to make it, and how to place a QR code on a printed or digital business card.
Jan 18, 2026
How to Create a QR Code for a PDF
Why a QR code needs a public link rather than the PDF itself, and how to get shareable links from Google Drive, Dropbox, and OneDrive.
Jan 19, 2026
How to Create a QR Code for Google Reviews
How to make a QR code for Google reviews from your Business Profile link, so customers can scan and leave a review in-store.
Jan 20, 2026
How to Create a WhatsApp QR Code
How WhatsApp QR codes work using wa.me links, and how to add a pre-filled message for customers who scan it.
Jan 22, 2026
Static vs Dynamic QR Codes
Static QR codes encode content directly and never expire. Dynamic QR codes redirect through a link you can edit later. Here's how to choose.
Jan 23, 2026
QR Code Security and Privacy
How QR codes actually work, what they can and can't do, and how to avoid scams like QR code tampering ('quishing').
Jan 24, 2026
QR Codes with a Logo: How They Work
How logo placement and error correction let a QR code keep scanning reliably even with a logo covering part of the center.
Jan 25, 2026
How to Print a QR Code Correctly
Resolution, contrast, quiet zone, and size guidelines for printing a QR code that scans reliably every time.
Jan 26, 2026
Best QR Code Size for Printing
A practical formula for sizing a QR code based on scanning distance, plus recommended sizes for posters, table tents, and cards.
Sep 26, 2026
How to Create a QR Code in Chrome
How to make a QR code in Chrome on desktop, Android, and iPhone using the browser's built-in share tools, and their limits.
Sep 26, 2026
How to Make a QR Code in Canva
How to add a QR code in Canva with its built-in app, what it can't do, and when to build the code here instead.
Sep 26, 2026
How to Add a QR Code in Word
How to put a QR code into a Microsoft Word document as an image, plus Word's own QR options and printing tips.
Sep 26, 2026
How to Make a QR Code for a Google Doc
How to share a Google Doc, turn the link into a QR code, and place it in the document, with links for forms and PDFs too.
Sep 26, 2026
How to Scan a QR Code from a Screenshot
How to scan a QR code that's already in a photo or screenshot, on iPhone, Android, or with our free online scanner.
Sep 26, 2026
How to Scan a QR Code on a Computer
How to scan a QR code on Windows, Mac, or a Chromebook, with no phone required, using a webcam or an uploaded photo.
Sep 26, 2026
How to Scan a WiFi QR Code
How to scan a WiFi QR code on iPhone, Android, and Samsung phones, and how to read one from an image if scanning fails.
Sep 26, 2026
Do QR Codes Expire?
A direct answer on whether QR codes expire, the difference between static and dynamic codes, and how to make one that lasts.
Sep 26, 2026
QR Code Minimum Size (for Print and Screens)
Minimum QR code sizes for business cards, flyers, table tents, posters, and window signs, with a simple distance rule.