Multiply your impact
You were invited by Clearer Thinking. Because of that, we offer to match your donations at a higher rate than usual.
Because of that, we offer to match your donations at a higher rate than usual.
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'll add 9% to 90% on top of your donations
You direct prepaid matching funds to the charities you care most about. Learn more here.
Why donate with Giving Multiplier?
Effective
Our goal is to make charitable giving as effective as possible. We support charities that experts have identified as super effective.
Matching
We'll add a small donation on top of yours. The more you give to the super-effective charity, the higher the rate.
Become a matcher!
Secure
Your donations are processed by our trusted partner every.org — a non-profit hub for charitable giving. Your data privacy is ensured.
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
If you are a US taxpayer, your donation is tax-deductible to the fullest extent allowed by law.
We accept many payment methods
Credit card
Bank transfer
PayPal
Venmo
Crypto
Stocks
DAF
Our impact
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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 -
“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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“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
Media coverage
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“For Giving Tuesday, this Harvard-designed donation tool helps you maximize your impact”
- Best New Ideas in Money -
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Giving Multiplier is an award winner of the Reimagine Charitable Giving Challenge that honors “promising concepts in the digital giving space”
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Why Giving Money to Others Makes us Happier by The Happiness Lab with Dr. Laurie Santos
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“I appreciate Giving Multipliers’s incrementalist approach to helping people make more effective charitable giving decisions.”
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“The next time you’re ready to give, make two donations: one to a charity that speaks to your heart and one to a charity that’s expert-certified for extraordinary impact.”
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“If even just a quarter of all donors applied this strategy, millions of lives would be saved and improved - without donors having to forsake the charities closest to their hearts.”
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“Giving Multiplier, an online platform that eases — and sweetens — donations to global health and development charities”
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“The researchers were able to effect real-world changes in donors’ behavior by offering them the chance to give with their heads as well as their hearts.”
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Joshua Greene on Morality, Psychology, and Trolley Problems by Sean Carroll’s Mindscape Podcast
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The Power of Altruism: How Effective Altruism is a Giving Multiplier by Passion Struck Podcast with John R. Miles
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Moral Psychology & Pragmatism by The Nature & Nurture Podcast
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Cooperation, Charity, and Effective Giving by The Stanford Psychology Podcast
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Moral Tribes: Bridging the gap between “us” and “them” by Giving What We Can
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Morality Meets World by On Wisdom
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Under the Radar with Callie Crossley
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Clearer Thinking with Spencer Greenberg
Questions? Contact us!
We offer personalized donation advice for donations of $5,000 or more. If you’re interested in making a large donation, complete this brief form to set up a call!
