FreeOnlineQR

QR Codes guides

Practical, no-fluff guides for getting the most out of your QR codes and barcodes.

Jul 31

QR Codes in Print Advertising: Flyers, Posters, and Direct Mail

A QR code slapped in the corner of an ad as an afterthought rarely gets scanned. Here's how the placements that actually convert are designed differently.

Marketing 8 min readRead
Jul 29

Batch-Generating QR Codes: When and How to Do It Right

Making one QR code and making five hundred unique ones are different problems — here's how to think about the second one properly.

Guides 8 min readRead
Jul 27

How to Test a QR Code Before You Print 500 of Them

A QR code that scans perfectly on your laptop screen can still fail once it's printed. Here's the checklist to run before committing to a real print order.

Guides 7 min readRead
Jul 24

QR Code Size Guide for Print: Business Cards to Billboards

There's a genuine formula behind QR code sizing, not just a rule of thumb — and it depends entirely on how far away someone will be standing when they scan it.

Guides 7 min readRead
Jul 22

Why Won't My QR Code Scan? 9 Common Causes and Fixes

Before assuming your printer or your customers' phones are broken, check this list — it's almost always one of a handful of well-known, fixable causes.

Guides 9 min readRead
Jul 20

Dynamic QR Code Analytics: What You Can (and Can't) Track

"Track your QR code" gets thrown around a lot in marketing copy. Here's a realistic picture of what that data actually looks like, and what it can't tell you.

Education 8 min readRead
Jul 17

QR Code Error Correction Levels Explained

This is the reason a QR code with your logo in the center still scans perfectly — and why some codes tolerate damage far better than others.

Education 7 min readRead
Jul 15

How to Choose a QR Code Generator: A No-Nonsense Checklist

Most QR code generator comparisons are written by the generators themselves. Here's what to actually check, without the marketing spin.

Education 9 min readRead