QR code guides
Practical tutorials for getting the most out of QR codes
Static vs Dynamic QR Codes: What You Are Actually Choosing
The pattern either contains your address or a redirect someone else owns. What editable really costs, when dynamic is right, and the myths in between.
6 min readWhy Your QR Code Won’t Scan — and How to Fix It
Six reasons a printed QR code fails: low contrast, cropped quiet zone, wrong size, inverted colours, too much data, decorative modules. With fixes.
4 min read BarcodesEAN-13 vs UPC-A vs Code 128: Which Barcode You Need
Selling in Europe, the US, or labelling internal stock? A plain decision guide to retail symbologies, with a comparison table and check-digit notes.
4 min read PrintHow Big Should a Printed QR Code Be?
The one-tenth rule scanner makers use, worked examples from business cards to posters, and why data density changes the answer.
3 min read EssentialsHow QR Codes Work — and Why Damaged Ones Still Scan
Finder patterns, versions and Reed–Solomon error correction in plain words: what the squares mean and how a code survives a logo or a torn corner.
4 min read RestaurantsQR code for a restaurant menu: what actually works
Print size for table tents, the white border nobody leaves alone, matte versus gloss, and why static codes never expire.
5 min read BarcodesBarcodes for a small shop: which type, and how to print them
Do you need a GS1 number? Which symbology, what a check digit does, and the colour rule that makes red barcodes invisible to a till.
6 min read BulkFrom spreadsheet to printed labels, without a design tool
Which columns matter, why errors are caught before generating, and how to get the size right on paper.
5 min read EventsQR codes for an event, from invitation to the door
Tickets, check-in, WiFi and signage — and the offline failure nobody plans for.
5 min read BusinessA QR code that asks for a Google review
Getting a link that opens the review box rather than your listing, where to put it, and what Google prohibits.
4 min read BusinessA WhatsApp QR code that opens a chat, pre-typed
The number format that trips everyone up, and why pre-typing the first message matters.
4 min read For developersAdd a QR code generator to your site with one link
One anchor tag, no script, no account. Set the content, the theme and the logo from the URL.
4 min read WiFiHow to create a QR code for your WiFi network
Let guests connect instantly — no passwords needed. Step-by-step guide for homes, cafes, and offices.
3 min read vCardQR codes on business cards: the complete guide
Turn a paper card into an interactive experience. Best practices for size, placement, and what data to encode.
4 min read