Founder Guide

How to Write a One-Line Startup Pitch

If someone asks what your startup does and it takes you thirty seconds to answer, that's the problem — not their attention span. A good one-liner forces clarity you'll need for everything else: the deck, the landing page, the elevator ride.

Want the fast version?

Type your idea into DecisionLab and get a readiness score across market fit, execution, and investor appeal in about a minute — free, no credit card.

Score my idea free →

Step-by-step

1

Name who it's for, specifically

"Everyone" is not a customer. Name the actual person — their role, situation, or context — so the sentence has someone real attached to it.

2

Name the problem in plain words

Describe the pain the way your customer would describe it, not the way a strategy deck would. If it sounds like jargon, a stranger won't feel it.

3

Say what you do, not how you built it

"We use AI to optimize workflows" describes the technology. "We cut invoice processing from a week to a day" describes the outcome. Lead with the outcome.

4

Use the formula, then edit it down

Start with: "[Product] helps [specific customer] [achieve outcome] by [how, in a few words]." Write it, then cut every word that isn't doing work.

5

Cut every qualifier

"Kind of like," "a platform for," "innovative," "next-generation" — these soften the sentence without adding information. Delete them and see if it still makes sense; it usually reads better.

6

Test it on a stranger

Say it to someone outside your industry. If they can repeat back what you do in their own words, it works. If they ask "wait, so what do you actually do?", it doesn't yet.

Turn this into a decision with DecisionLab

Reading about this is useful — testing it against real evidence is what actually changes the outcome. DecisionLab scores your startup idea on market fit, execution, and investor appeal, and can generate a first-draft pitch deck automatically, so you find out fast whether it's worth building.

Ready to find out if your idea is worth building?

Get your free readiness score now — no signup required to see it, and no credit card.

Score my idea free →

Frequently asked questions

What's the difference between a tagline and a one-line pitch?

A tagline is brand voice — memorable, sometimes abstract. A one-line pitch has to be understood immediately by someone who's never heard of you, with no context.

How long should a one-line pitch be?

One sentence, ideally under 20 words. If you need two sentences to explain it, the first one probably isn't doing its job yet.

Should my one-liner mention the market size?

No — that's a pitch deck slide, not a one-liner. The one-liner's only job is making a stranger understand what you do and for whom.