This app takes in only user inputs or photo/camera images and creates qr codes from them. You can then save any of these QR Codes for quick use.

Contact Cards - Easily share the contact you choose for different groups and orgs
ID and Membership Cards - Create them from your existing card and stop carrying them around
And so many more including Wifi Credentials, Websites, Plain text (open entry), Email, SMS, Phone Number, Calendar Events, and Locations.

And best of all, you're in control Your data NEVER leaves your phone unless you give it to someone to scan. The application doesn't collect any data from you and keep you in control of your data.