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QRNest Blog

Ideen für bessere QR-Codes.

Praktische Artikel zum Erstellen, Teilen und Drucken von QR-Codes.

New articles in English

QR code basics

Do QR Codes Expire? What Actually Stops Working

Understand QR code expiration, broken links and redirect subscriptions, with a practical checklist for keeping printed codes useful.

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Documents

How to Make a QR Code for a PDF That Visitors Can Open

Turn a hosted PDF into a QR code, check public access and keep your document link stable when updating menus, manuals or brochures.

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Contacts

vCard QR Codes for Business Cards: What to Include

Create a contact QR code for a business card, choose between embedded contact details and a profile link, and test contact imports.

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Business use

How to Add a Useful QR Code to an Email Signature

Add a QR code to an email signature with a clear destination, a clickable fallback and practical checks for desktop and mobile readers.

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Locations

How to Create a Google Maps QR Code for the Right Location

Create a Google Maps QR code for your shop, venue or meeting point, then verify the exact pin and arrival instructions before printing.

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Measurement

How to Track QR Code Campaign Visits with UTM Parameters

Build a consistent UTM-tagged QR destination, test attribution and understand why website visits are different from total QR scans.

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Design

QR Codes with Logos: A Practical Design and Testing Checklist

Add a logo to a QR code without assuming error correction guarantees a scan. Learn what to simplify and how to test the final artwork.

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QR code basics

Do QR Codes Work Without Internet? A Guide by Content Type

See which QR code actions can work offline, which need a connection and how to test a code before using it in a low-connectivity location.

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Events

How to Make an Event Registration QR Code That Reduces Friction

Link an event registration form to a QR code, verify responder access and plan a clear mobile signup experience before printing posters.

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Business use

QR Codes on Product Packaging: Plan the Page Before the Print

Plan a product-packaging QR code for manuals, setup or support, with a durable URL, a useful mobile page and a production checklist.

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Guides

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Erste Schritte

Einen QR-Code erstellen, der zuverlässig funktioniert

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Im Alltag

WLAN teilen, ohne das Passwort zu diktieren

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Druck & Design

PNG oder SVG? QR-Codes richtig drucken

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QR-Grundlagen

Statische und dynamische QR-Codes: Was lässt sich später ändern?

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Für Unternehmen

Ein QR-Menü, das Restaurantgäste gerne nutzen

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Fehlerbehebung

QR-Code wird nicht erkannt? Das solltest du prüfen

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