Here's an idea for those who travel a lot. Use one of the free QR code…
QR Code Generators Online
13 Best Free Online QR Code Generator
If you work or play with software like Photoshop you can use some of the many free code generators online, then bring your downloaded code into PS or similar and add text or icons.
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QR Code Generator for your wifi access - so easy to have guests scan the QR code rather than always ask you for it. Print and frame for the guest room!
QR Code generator
Developer Tools by fromdev - free online dev tools for formatting and online manipulation - url encoding html escape, qr code generator and more
QR Code - WiFi
Create a QR Code with this list of free QR Code Generators. All you need is your library's URL!
Create QR Codes Online - QR Generator