It's easy to get free Facebook credits with online websites. The best and safest website to use is called Points2Shop and It's easy to get started with P2S.
How To Get Free Facebook Credits With P2S?
Start off by going to their website, and signing up. This part is simple. Next you are going to want to click on the "earn points" tab. From there you will be presented with different types of offers. Pick one to get started and start earning points! After you get around 5000 points you should be able to get free Facebook credits through the redeem points tab. That's basically it enjoy your free Facebook credits!