goo.gl is recommended for converting URLs to QR codes. It will shorten the URL, and keep a list of your QR codes in your Google Docs. Make sure you are logged in to your school Google Docs account before activating goo.gl.
Some QR Generators will not save your codes. Create a QR code folder on your computer. Create additional folders to organize QR codes by activity.
Consider creating a powerpoint to "house" QR activities.
