qrfast

Articles

Answers for people who need a QR code on a table, a poster or a worksheet. Read it once, then go make it.

9 articles
How to

Dynamic vs static QR codes: the difference and which to choose

Dynamic QR codes can be edited and tracked but depend on a service and show a landing page with ads. Static codes never change and depend on no one.

5 min read ·
How to

WiFi QR code for guests: scan to connect without typing a password

Enter the network name, password and security type exactly as on your router. iPhone and Android cameras can scan it. A new password needs a new code.

6 min read ·
Schools and teachers

Google Form QR code for sign-ups, registration and surveys

Publish the form, turn the responder link into a dynamic QR code, stop forced sign-ins, reuse the code next round and compare scans with responses.

6 min read ·
Events and weddings

Wedding QR code: directions, save the date and one link page

Put QR codes on invitations so guests can navigate to the venue and save the date, use one link page for everything else, and update the time if plans change.

5 min read ·
Schools and teachers

PDF to QR code for teachers: share worksheets and answer keys

Put a worksheet PDF behind a QR code on paper or a slide. Students open it without signing in, you can swap the file, and answer keys wait until you're ready.

5 min read ·
How to

vCard QR code for business cards: scan to save the contact

A business card QR code that saves your details to iPhone and Android contacts: how it differs from a classic vCard, what size to print and how to update it.

5 min read ·
How to

QR code print size: how big, how far, contrast, margins and materials

Make the code at least a tenth of the scanning distance, keep a four-module quiet zone, print dark on light, avoid gloss and test before a big run.

6 min read ·
LINE

LINE QR code for adding friends, Official Accounts and groups

Personal accounts use the My QR code link, Official Accounts the @ID, groups the invite link. Where to find each in LINE, and what to check if adding fails.

6 min read ·
Shops and menus

QR code menu from a PDF or photo: update prices without reprinting

Upload your menu as a PDF or photo, print the code for your tables and swap the file when prices change. How to prepare the file, size the sign and read scans.

6 min read ·