Starter · Writing

One-Pager Builder

Your expertise, faster.

From a blank doc to a paste-ready one-pager in 5 minutes. Calibrated to your reader. Written in your style. Five document shapes covered: pitch, sales sheet, executive summary, briefing, internal proposal.

Interactive browser tool Five document shapes Works with ChatGPT, Claude, Gemini Instant download, no setup

$19

One-time. Lifetime updates. 7-day refund if the product doesn't work as described.

Buy

Already own this? Access your purchases at gumroad.com/library.

What it is

One-Pager Builder is a single self-contained HTML file you open in any browser. Fill in six short sections describing what you're pitching, who's reading, and how you write. The AI returns a paste-ready one-pager calibrated to one of five purposes (pitch, sales sheet, executive summary, briefing, or internal proposal), shaped for your specific reader, written in your style.

Who this is for

What it's for

Pitches, sales sheets, executive summaries, briefings, and internal proposals
Calibrating output to a specific reader (their role, what they care about, what they're skeptical of)
Producing one-pagers in your writing style with a clear call-to-action

Who it's for

Founders, consultants, and salespeople who pitch services or close deals
Operators writing internal proposals for budget, headcount, or roadmap moves
Anyone staring at a blank doc when the deadline is tomorrow

What it's not for

Long-form documents (this is single-page, not a 20-page report)
Generic templates (the whole premise is calibration to a specific reader)
Documents that need verbatim language from your existing brand book

Who it's not for

Anyone wanting fill-in-the-blank templates without strategic input
Anyone shipping the output without reading it first
Marketers writing 20+ one-pagers a week (this is for the high-stakes ones)

How it works

Step 01

Open the tool

Double-click the HTML file. It opens in any browser. No install, no login, no account.

Step 02

Fill six sections

The thing, the audience, the purpose, what's true, the ask, your writing samples. About 5 minutes.

Step 03

Build and copy

Click Build my one-pager prompt. Copy what gets generated.

Step 04

Paste into your AI

Works in ChatGPT, Claude, or Gemini. The one-pager comes back labeled, structured, and ready to drop into a doc.

Want to see One-Pager Builder in action?

See how it works

How it works under the hood

The tool runs entirely in your browser. Your inputs and writing samples never leave your computer until you paste them into your AI of choice. No Shelf server in the middle. No account, no API key, no data sent anywhere. Your form inputs are stored in your browser's localStorage so you can come back to them; we never see them. Download once, use forever.

Straight Talk

What we believe. Our real goal is to get you from 0% to 85% done in less than 5 minutes. AI is a fantastic helper and generator. Human input is crucial. This tool isn't designed to do the job for you; it's designed to let you focus on the details and the final 15% that only you can add.

What it does well. Produces structured one-pagers calibrated to your reader and your writing style, dramatically faster than starting from a blank doc.

What it can't do. Guarantee the document will land. The substance you bring matters more than the structure. Always read the final document carefully before you send it.

How we make it. AI drafts. A human reviews and edits everything before it ships. Tested across ChatGPT, Claude, and Gemini. Shipped with a 10-check internal quality rubric. If it doesn't work as described, use the 7-day refund, no questions.

$19

One-time. Lifetime updates. 7-day refund if the product doesn't work as described.

Buy

Already own this? Access your purchases at gumroad.com/library.