Boost Your Holiday Giving
Earn up to 50% in matching funds!
Join thousands of donors
Multiply your impact
Give to both your favorite charity and a super-effective charity recommended by experts. We'll add to your donations.
You were invited by
Clearer Thinking.
Because of that, we're offering a higher matching rate for your donations.
How it works
Search and select your favorite charity
This can be any charity that you care about.
Select a super-effective charity
You can choose from our list of expert recommendations.
Divide your donation between the two
At least 10% has to go to a super-effective charity. (We do not charge fees)
We'll add 5% to 50% on top of your donations
You direct prepaid matching funds to the charities you care most about. Learn more here.
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Why donate with Giving Multiplier?
Effective
Or goal is to make charitable giving more impactful by supporting charities identified as highly effective by trusted experts.
Matching
We add extra funds to your donation—the more you give to the super-effective charity, the higher the rate.
Become a matcher!
Secure
Your donation is securely processed by our partner Every.org, protecting your data privacy.
Verified
As a project based at Harvard University, Giving Multiplier has been reviewed by the Harvard internal review board and data safety team.
Tax-deductible
Donations are tax-deductible in the U.S. to the fullest extent allowed by law.
We accept many payment methods
Credit card
Bank transfer
PayPal
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Our impact
since Nov. 2020
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“When I started giving to effective charities, I struggled because I didn’t want to give less to my favourite organizations. Giving Multiplier is a platform that solves this problem by directing some of your giving to effective charities and adding matching funds in order to maximize the collective impact of our charitable gifts!”
José Gonzálezaward-winning singer/songwriter
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“Want to feel good about making a positive impact? Giving Multiplier is a scientifically-backed innovation that allows you to support causes close to your heart AND some of the world’s most cost-effective charities!”
Laurie SantosProfessor of Psychology, Yale University
and host of The Happiness Lab podcast -
“Is there a special charity you want to give to because you have a personal connection, but at the same time you know that, dollar-for-dollar, it won’t do nearly as much good as other charities you could give to? Amazingly, you can do both, and still not give less to the most effective charity you can find! Check out Giving Multiplier!”
Peter SingerProfessor of Bioethics, Princeton University
and author of The Life You Can Save -
“Giving Multiplier is a brilliant tool for anyone who believes in doing good effectively but doesn’t want to abandon their personal connection to specific causes. It helps you do what is simultaneously meaningful to you and highly impactful.”
Spencer Greenbergfounder of ClearerThinking.org
and host of the Clearer Thinking podcast
