Shelf
See how it works · One-Pager Builder

How One-Pager Builder works

Your expertise, faster.

Here's the full flow, end to end. A consultant fills in six short sections describing what they're pitching, who's reading, and how they write. The AI returns a paste-ready one-pager calibrated to that specific reader.

The actual tool runs locally and works the way you'll see below. This page is the preview.

Step 01

The tool opens with six empty sections

Double-click One-Pager-Builder.html from your downloads. It opens in any browser. No install, no account, no API key.

file:///One-Pager-Builder.html
Shelf HQ v1.1
Section 1 of 6

The thing

What are you writing about? A name and a one-line description.

e.g. Northwind Cloud Migration Service. A 90-day done-for-you AWS-to-on-prem migration for Postgres-heavy mid-market SaaS companies.
Section 2 of 6

The audience

Who's reading this. Specific role and what they care about.

e.g. Series B SaaS CTOs evaluating 3 vendors
Section 3 of 6

The purpose

What kind of one-pager is this? Pick one.

Pitch
Sales sheet
Executive summary
Briefing
Internal proposal
Sections 4-6

What's true. The ask. Show me how you write.

The substance, the call-to-action, and your writing samples.

Pastes a ready-to-go prompt for ChatGPT, Claude, or Gemini.
Step 02

Describe the thing and the audience

The buyer here is a consultant pitching a 90-day cloud-migration service to a Series B SaaS CTO who's evaluating vendors. The first two sections set up what's being pitched and who's reading it.

Section 1 of 6

The thing

Name
Northwind Cloud Migration Service
One-line description
A 90-day done-for-you AWS-to-on-prem migration for Postgres-heavy mid-market SaaS companies. Two engineers, one project manager, fixed-fee.
Section 2 of 6

The audience

Who they are
Series B SaaS CTOs, evaluating 3 vendors for a planned Q3 migration
Their context
Recently raised, scaling infra. New in role. Burned in 2023 by a different vendor who promised the world and delivered six months of overruns.
What they care about / What they're skeptical of
Cares about: time-to-value, vendor lock-in, predictable cost, calling-the-shot transparency.

Skeptical of: outsourced infra, buzzword-heavy pitches, anyone making sweeping promises without specifics, anyone who can't name a Postgres-specific failure mode.
Step 03

Pick the purpose. Add the substance.

Section 3 picks the document type (Pitch, Sales sheet, Exec summary, Briefing, or Internal proposal). The tool branches structurally based on this. Section 4 is the actual substance: what's true about the offer, beyond marketing.

Section 3 of 6

The purpose

Pitch
Sales sheet
Executive summary
Briefing
Internal proposal
Section 4 of 6

What's true

The actual substance of the offer. Be honest. The tool builds the structure; you bring the truth.

- Done 14 of these migrations across the last 4 years. 13 came in on time and on budget. The 14th took 12 weeks instead of 9 because the customer's auth layer turned out to depend on a vendor's deprecated API. We refunded a third.

- We do not subcontract. The two engineers and the PM are full-time, on payroll, and stay on the engagement from kickoff to handoff.

- Fixed fee: $80K. Includes the migration itself plus 30 days of post-handoff support. No hourly. No "scope creep" line item.

- We will not sign before doing a paid 5-day technical assessment. $5K. That's the only way we know if the migration is doable in 90 days for THIS specific stack. The $5K credits to the $80K if we proceed.

- Three named references available. All Series B SaaS, all Postgres-heavy. Two of them have given us repeat work.
Step 04

The ask. Your writing samples.

Section 5 is the call-to-action: what you want the reader to do next. Section 6 is the writing-style match step. The buyer pastes 1-3 short samples in the same conversational register they want the one-pager to land in. The AI extracts pattern from the samples without copying the words.

Section 5 of 6

The ask

Take the 5-day technical assessment for $5K. We'll either confirm we can hit the 90-day window, or tell you we can't and refund the $5K. Either way you walk away with an honest read on your own stack.
Section 6 of 6

Show me how you write

Optional but strongly recommended for pitches. Paste 1-3 short samples.

Sample 1
Most "cloud migrations" fail for the same reason. Someone signs a fixed-fee contract before anyone has read the customer's auth layer. We don't sign before reading the auth layer. That's the whole pitch.
Sample 2
Spent yesterday on a call with a CTO who'd been pitched by four other vendors. Three of them used the same buzzword in the first paragraph. One of them used it twice. He wanted to know which one of us would tell him what we couldn't do. Ended up being us. Got the engagement.
Pastes a ready-to-go prompt for ChatGPT, Claude, or Gemini.
Step 05

Paste into your AI. The one-pager comes back.

Open a fresh chat in ChatGPT, Claude, or Gemini. Paste. Hit send. A structured one-pager comes back, calibrated to a Series B CTO and written in the buyer's plain-spoken register. Each section is labeled and ready to drop into a doc.

Claude Fresh chat. One-pager received.

Northwind Cloud Migration Service

A 90-day AWS-to-on-prem migration for Postgres-heavy SaaS. Two engineers. One PM. Fixed fee.

Most migrations fail because someone signs a fixed-fee contract before anyone has read the customer's auth layer. We don't.

14 done. 13 on time, on budget. The 14th took 12 weeks instead of 9 because the customer's auth layer depended on a vendor's deprecated API. We refunded a third when that happened.

Two full-time engineers and a PM. On payroll. No subcontractors. They stay on the engagement from kickoff to handoff.

$80K fixed fee. Includes the migration plus 30 days of post-handoff support. No hourly. No scope-creep line items.

$5K technical assessment before we sign anything. 5 days. That's the only way we know if your stack is doable in 90 days. The $5K credits back if we proceed.

We won't say turnkey. We won't promise zero-downtime. The Q3 you're targeting is real, and we will tell you after the assessment whether it's a real number or a marketing one.

Three Series B SaaS, all Postgres-heavy. Two have given us repeat work. Available on request after the assessment is scheduled.

Take the 5-day technical assessment. $5K. We'll either confirm we can hit the 90-day window, or tell you we can't and refund the $5K. Either way you walk away with an honest read on your own stack.

That's the whole flow.

From a half-formed pitch to a paste-ready one-pager calibrated to your reader and your writing style, in under 5 minutes of your time.

The 15% that matters (the substance, the ask, the strategic choices) is yours.

$19
One-time. Lifetime updates. 7-day refund if the product doesn't work as described.
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