Tellwell AI Appeal Letter Writer

Designed for personalized donor appeals, this generator helps nonprofits craft effective letters with sections for introductions, impact stories, and calls to action. Each appeal feels authentic and urgent, motivating donors to act.

Ready to create your appeal letter? Fill in what you can from the sections below—don’t worry if you can’t complete them all – the power of AI will insert areas for you to fill in.

The Basics

Organization: Your nonprofit’s name and mission
Campaign: What are you raising money for?
Goal: How much do you need to raise?

Your Audience

Who: First-time donors? Long-time supporters? Community members?
Tone: Casual and friendly? Professional and urgent?

Your Story

Impact Story: Share a recent win or testimonial from your newsletter
Gift Examples: What can different donation amounts achieve?

Optional Details

Timeline: Any deadlines or matching gift periods?
Special Instructions: Preferred language or terms to use/avoid
Additional Ways: Other ways to help besides donating?

Ready to invest 
in your story?

Some organizations come to us with a single project in mind. Others are ready for a deeper engagement — a year-long partnership that covers strategy, creative, and everything in between.

Either way, it starts with a conversation. We’ll talk through where you are, where you want to go, and what it would look like to get there together.

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