Multiply your fundraising revenue

Increase average gift size. Grow recurring revenue. Recover lost donations. Reduce donor churn.

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Trusted by nonprofits worldwide

Your donation form quietly costs you money.

Donations that never complete, gifts smaller than they could be, and recurring donors who quietly lapse, all reduce your fundraising revenue.

Start for free

Your donation form quietly costs you money.

Engage

Make visitors act

Bring attention to your cause on every page with heartfelt call-to-action and social-proof nudges. People can’t help but click and check it out.

Convert

Move donors forward

Remove the barriers to donating with a simple, fast, and frictionless checkout, so it’s smooth sailing once donors click on the heart.

Optimize

Maximize giving

Drive recurring revenue monthly, weekly, or yearly and encourage higher donation amounts with smart suggestions.

What nonprofits are saying

Shannon Bulrice

Marketing.GameChanger Charity

In our 14 years as a nonprofit, Double is the easiest to install, feature-rich and best supported fundraising tool that we have ever used. I highly recommend Double.

Kilinan Dreher

Co-Founder.Humanaid

As a digital-first NGO, it is important to offer a user-friendly and smooth donation process. Double offers exactly that and was super easy to integrate with our Squarespace website and our payment processing platform.