Points.com is a frequent flyer rewards-management portal where members can trade and exchange points/miles between their registered reward programs. For example, you can convert credit card points into flight miles on any number of top airlines.
Membership is free.
Exchange miles or points between programs
Shop using miles or points instead of dollars for gift certificates redeemable at hundreds of leading retailers
Buy miles or points to get you to your goals quicker
Earn more miles and points in existing programs
Track miles and points in one place
Share you miles and points with friends and family