Campaign builder for nonprofits

Design branded campaigns in minutes

We give you everything you need to launch beautiful, on-brand fundraising campaigns with zero design skills.

Why campaign builders matter?

Most nonprofit teams juggle multiple tools—and even more deadlines—when launching campaigns. Designers, copywriters, and developers aren’t always available, and rushed campaign materials can lead to lower engagement and fewer donations.
You launch faster
Stay consistent across channels,
Keep everything fully aligned to your brand.

How it works with Harness

Create campaigns rapidly with proven templates

Choose from thousands of high-performing templates for fundraising emails, landing pages, social posts, and web content.

Build landing pages that convert

Launch a ready-to-go fundraising page or customize your own using simple editing tools.

See performance in real time

Track clicks, engagement, conversions, and revenue in unified dashboards.

Key benefits

Launch campaigns dramatically faster

Build everything in one place, no designers, developers, or back-and-forth needed.

On-brand designs every time

Ensure your visuals stay consistent across channels.

Higher conversion rates

Optimized landing pages and coordinated messaging increase giving.

Fewer tools, less complexity

Your team manages design, communication, and reporting inside one platform.

Scalable for any campaign type

Annual appeals, Giving Tuesday, galas, peer-to-peer, raffles, and more.

Complete visibility into performance

Dashboards show what’s working so you can adjust quickly.

4.8/5

Real partnership, real results

“Harness has let me do more of the fundraising with less team. I've been able to do a similar amount of outreach and data tracking despite missing two full time staff.”
Tor Gudmundsson
Executive Director of Habitat for Humanity of Missoula
People in hard hats smiling working on constructions
“Harness has been key to our success. I love seeing new donors come through in real time, which lets me connect with those donors immediately.”
Amber Kilawee
Executive Director of Fond du Lac County United Way
Child smiling up at someone
“When I thought maybe we were asking too much, everyone just kept delivering… I couldn't be happier. Daniel and his team really took the reins...”
Sue Eisaguirre
Founder and Executive Director of NatureTrack
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“When I tell other nonprofit organizations in my community about Harness…some of them say ‘It's too expensive to get that.’ And I say it’s too expensive to NOT have it.”
Rachelle Morlok
Founder of Bloom International
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Ready to drive recurring donations?

Get started today