What is a Lean Canvas?

A Lean Canvas is a one-page business model summary developed by Ash Maurya as an adaptation of Alexander Osterwalder's Business Model Canvas. It captures a startup's hypothesis in nine sections — Problem, Customer Segments, Unique Value Proposition, Solution, Channels, Revenue Streams, Cost Structure, Key Metrics, and Unfair Advantage — so the entire idea fits on one page and can be reviewed in under five minutes.

How long does it take to create a new Lean Canvas?

About 10 to 30 minutes for a first draft, depending on how much you've already thought through. The canvas is meant to be filled in quickly and revised often as you learn — not perfected on the first sitting.

Do I need an account to create a Lean Canvas with Totally Lean?

No. Open leancanvas.online and start typing. There's no signup, no email verification, and no server-side account. Your canvas is stored in your browser.

Can I share a new Lean Canvas without making my recipient sign up?

Yes. The Share button generates a URL that contains the entire canvas in compressed form. The recipient opens the link in any browser and sees the canvas — no account or app install required.

What's the difference between a Lean Canvas and a Business Model Canvas?

The Lean Canvas (Ash Maurya) drops Key Partners and Key Activities and adds Problem and Unfair Advantage — tuned for early-stage startups whose biggest unknown is the customer. The Business Model Canvas (Alexander Osterwalder) keeps the partnership and operations boxes — tuned for established businesses describing how they operate today. Use the Lean Canvas if you don't have validated customers yet.

Lean Canvas

Create a new Lean Canvas

A Lean Canvas is a one-page business model summary developed by Ash Maurya. It distills your startup hypothesis into nine sections so the entire idea fits on one page and can be reviewed in under five minutes. Totally Lean lets you create a new Lean Canvas in your browser — free, no signup, no server, no email. Open the editor and start typing.

Start your canvas

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The nine sections of a Lean Canvas

A Lean Canvas captures a business hypothesis in nine boxes. Together they describe who you serve, what you build, how you reach them, and how the numbers work.

1. Problem
The top three pain points your customer can't currently solve.
2. Customer Segments
Who you're building for. Separate early adopters from the mass market.
3. Unique Value Proposition
One sentence on why your solution beats the alternatives.
4. Solution
How you address the three problems. Outline, not a feature list.
5. Channels
How you reach customers — search, social, content, sales.
6. Revenue Streams
How money comes in — subscription, usage, license, marketplace fee.
7. Cost Structure
Fixed and variable costs. People, infrastructure, marketing.
8. Key Metrics
The numbers you watch weekly to know if it's working.
9. Unfair Advantage
Something competitors can't easily copy. Proprietary data, network effects, brand.

How to create a new Lean Canvas

A first draft takes 10 to 30 minutes. Don’t aim for perfection on the first sitting — the canvas is a hypothesis you revise as you learn. The fastest path:

01
Open the canvas editor
Visit leancanvas.online — the editor loads immediately. No account, no email, no signup flow stands between you and a blank canvas.
02
Capture the top three problems
List the most painful unsolved problems your target customer has. Be specific. "Founders forget to update their canvas after pivots" beats "founders need better tools."
03
Define your customer segments
Name who you're building for. Distinguish early adopters from the broader market. "Solo founders sketching their first canvas" is more useful than "startup founders."
04
Write your Unique Value Proposition
One sentence. Why a customer would pick your solution over the existing alternatives. The UVP is the headline of the rest of the canvas.
05
Fill in Solution, Channels, Revenue, and the rest
Solution: how you address the top three problems. Channels: how you reach customers. Revenue Streams, Cost Structure, Key Metrics, and Unfair Advantage round out the nine sections.
06
Iterate
A Lean Canvas is a hypothesis, not a plan. Mark assumptions, validate them with customer conversations, and update the canvas as evidence comes in. Save snapshots so you can compare versions.

Frequently asked

What is a Lean Canvas?: A Lean Canvas is a one-page business model summary developed by Ash Maurya as an adaptation of Alexander Osterwalder's Business Model Canvas. It captures a startup's hypothesis in nine sections — Problem, Customer Segments, Unique Value Proposition, Solution, Channels, Revenue Streams, Cost Structure, Key Metrics, and Unfair Advantage — so the entire idea fits on one page and can be reviewed in under five minutes.
How long does it take to create a new Lean Canvas?: About 10 to 30 minutes for a first draft, depending on how much you've already thought through. The canvas is meant to be filled in quickly and revised often as you learn — not perfected on the first sitting.
Do I need an account to create a Lean Canvas with Totally Lean?: No. Open leancanvas.online and start typing. There's no signup, no email verification, and no server-side account. Your canvas is stored in your browser.
Can I share a new Lean Canvas without making my recipient sign up?: Yes. The Share button generates a URL that contains the entire canvas in compressed form. The recipient opens the link in any browser and sees the canvas — no account or app install required.
What's the difference between a Lean Canvas and a Business Model Canvas?: The Lean Canvas (Ash Maurya) drops Key Partners and Key Activities and adds Problem and Unfair Advantage — tuned for early-stage startups whose biggest unknown is the customer. The Business Model Canvas (Alexander Osterwalder) keeps the partnership and operations boxes — tuned for established businesses describing how they operate today. Use the Lean Canvas if you don't have validated customers yet.

Want to see one done first?

Reading a filled-out canvas teaches the framework faster than reading the framework definition. Two worked examples are available, both can be opened in the editor with one click.

The fastest Lean Canvas you’ll fill in this year.

No signup, no server, no email. Open the editor and start sketching.

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