The QR code blog
Practical, up-to-date ideas for using QR codes in a shop, restaurant, office or campaign — each with a free tool to try it straight away.
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UPI & payments
UPI ID se QR Code Kaise Banaye? Free Payment QR (2026)
Dukaan, stall ya ghar ke business ke liye apni UPI ID se payment QR code banaiye — bina app, bina signup, bilkul free. Google Pay, PhonePe, Paytm aur BHIM sab se scan hota hai.
3 min read
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Small business
Digital Business Card QR Code: Share Your Contact in One Scan (2026)
Paper cards get lost. A vCard QR code on your card, email signature or phone lock screen saves your contact details straight into people's phones — free, with no app and no subscription.
3 min read
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Small business
How to Make a Google Review QR Code (Free) — 2026 Guide
Turn your Google Business Profile review link into a branded QR code customers can scan at the counter, on receipts and on tables — and ask for reviews the right way.
3 min read
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QR code safety
QR Code Scams (Quishing): How to Spot Them and Scan Safely
Fake parking-meter stickers, "scan to receive money" UPI tricks and phishing emails with QR codes are on the rise. Here is how quishing works and how to stay safe.
4 min read
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Small business
How to Create a WhatsApp QR Code for Your Business (Free)
A WhatsApp QR code opens a chat with you in one scan — with a ready-typed message like "Hi, I want to order". Here is how to make one for free and where to use it.
2 min read
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Small business
Restaurant Menu QR Code: The Complete Guide for 2026
Everything a café or restaurant needs to put its menu on a QR code — the right file, a code you can update without reprinting, and table designs guests actually scan.
3 min read
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How-to
How to Scan a QR Code on Android and iPhone (2026)
Your phone camera already scans QR codes. Here are the quickest ways on Android and iPhone, how to scan a code in a screenshot, and what to do when a code won't scan.
3 min read
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QR code basics
Free QR Code Generator With No Expiry: 7 Things to Check Before You Print
Some "free" QR codes stop working when a trial ends — after you have printed them. Here is how to tell a truly free generator from a trial, before it costs you a reprint.
3 min read
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QR code basics
QR Code Size for Printing: Minimum Size, Resolution and Tips
How big should a QR code be on a business card, a flyer or a poster? Use the 10:1 rule, the size chart below and a few print checks to get codes that scan first time.
2 min read
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Short, direct answers to the most-asked QR code questions.
