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QR codes, explained honestly.
Practical answers, documented claims, zero fake urgency.
Do QR Codes Expire? The Honest Answer
The QR code itself can never expire — it's just a printed pattern. What expires is the redirect link inside dynamic codes from subscription services. We name the services and quote their own docs.
June 11, 2026
Static vs Dynamic QR Codes: Which Should You Print?
Static codes bake the data into the pattern and work forever. Dynamic codes redirect through an editable link. Most personal uses need static.
June 11, 2026
The QR Code Free Trial Trap (and How to Escape It)
Several large QR generators rank for "free," then deactivate your codes after the trial and point scans at their sales page. Here is the mechanic, the evidence, and the way out.
June 11, 2026
Why Did My QR Code Stop Working? 9 Causes, Ranked
The image almost never breaks; the redirect inside it does. Nine causes of dead QR codes, ranked by likelihood, each with a fix.
June 11, 2026
Best Free QR Code Generators in 2026, Compared
We compared eight free QR code generators using their own pricing and support pages. What expires, what shows ads, what needs an account — documented, not guessed.
June 11, 2026
QR Code Not Scanning? Run This 2-Minute Diagnostic
Most unscannable QR codes fail one of eight physical checks. Run them in order — each takes seconds — and you will find the fault before your coffee cools.
June 11, 2026
How Big Should a QR Code Be? Print Sizes by Scan Distance
The 10:1 rule sizes any printed QR code: make it one tenth of the scan distance. Charts for business cards, flyers, posters, windows, and billboards.
June 11, 2026
How to Make a WiFi QR Code (iPhone & Android)
Enter your SSID and password, pick a security type, download, print. The full walkthrough — security types, hidden networks, case sensitivity, and where to hang the thing.
June 11, 2026
Are QR Code Generators Safe? What They Actually Collect
Most QR generators send your WiFi passwords and contact details to their servers, and some show ads to your scanners. Here is how to check what a generator actually collects.
June 11, 2026
How to Track QR Code Scans: UTM Tags vs Dynamic Analytics
A QR code can't count its own scans. Here are the two methods that actually work: free UTM parameters in a static code, or a dynamic code with built-in analytics.
June 11, 2026
Can You Edit a QR Code After Printing? Yes — Here’s How
The squares on the page never change. Whether the destination can is decided before you hit print — here are the mechanics and the math.
June 11, 2026
SVG vs PNG QR Codes: Which Format for Print and Web
SVG for anything printed, PNG for anything on a screen. The reasoning, the DPI math, and a use-case table from business cards to billboards.
June 11, 2026
QR Code Menus: The Complete Restaurant Guide
Host the menu, generate the code, print the tents. The full guide — including the one decision that determines whether you ever reprint.
June 11, 2026