Ever seen those cool 2d Bar Codes (also called QR codes) and wondered how you could easily and quickly create these to point mobile phone users to a URL quickly?

Well, Google Charts API comes to the rescue. By appending the URL into call to the API, you can change at text URL like http://exhibita.com/blog into the following image:

All you need to do is anyplace that takes a URL to an image (an IMG tag in HTML, an Insert Image dialog from most editing tools, in your browser’s address bar, etc) just enter the following code:

   1: http://chart.apis.google.com/chart?cht=qr&chs=135x135&chl=http://exhibita.com/blog/

And that is our quick tip of the day!