The GhostQR blog
Make every
print count.
Practical guides to QR codes, short links and what happens after someone scans.
Practical guides
15 field guidesBusiness uses
How to Create a QR Code for a PDF and Update It Later
Share a document that opens for everyone, then keep its destination current when the file changes.
Business uses
How to Update a Restaurant Menu Without Reprinting Table Signs
Keep seasonal menus current with a practical workflow for the website, table signs and your staff.
Business uses
QR Codes for Events: Registration, Directions and Follow-up
Plan useful event links before doors open and keep them useful after the last attendee leaves.
Campaign measurement
QR Scans, Link Clicks and GA4 Sessions: Why the Numbers Differ
Understand what each system counts before trying to reconcile your campaign reports.
Link management
Can You Transfer a Printed QR Code to Another Provider?
Check who controls the address inside your code before paying for a replacement service.
Link management
How to Shorten a UTM Link Without Losing Campaign Tracking
Keep campaign tags in the destination while sharing a shorter address in emails and social posts.
Business uses
How to Create a Google Review QR Code
Start with Google’s own free review code, then decide whether editing or placement tracking would help.
Business uses
QR Codes for Product Manuals and Instructions
Help customers reach the right instructions for their model, including after the product is discontinued.
Link management
Do URL Shorteners Affect SEO? Redirects Explained
Understand what redirects tell search engines and why a shorter link is not a ranking shortcut.
QR essentials
Do QR Codes Expire? What Can Stop a Printed Code Working
A practical guide to broken destinations, subscriptions and the codes already on your printed material.
QR essentials
Static vs Dynamic QR Codes: Which Should You Print?
Choose the right code before you print, including when a free static code is all you need.
Campaign measurement
How to Track QR Campaigns in GA4 with UTM Parameters
Give each placement its own campaign link and follow the visit beyond the scan.
Link management
How to Change a Short Link’s Destination After Sharing It
Your email has already gone out. Here is how to change where its saved short link leads.
Print preparation
QR Code Not Scanning? A Checklist Before You Reprint
Work out whether the problem is the printed pattern, the link or the page it opens.
Print preparation
PNG or SVG for QR Codes? A Print Preparation Guide
Choose an export format and use downloadable samples to check your print workflow.
Put the guide to work.
Create a free static QR code or explore editable short links.