NOT A SPREADSHEET · NOT A DECK
The Lean Canvas for the business plan you'll actually open.
Nine boxes. One page. The version that doesn't rot in a tab you'll never reopen.
Drag, type, link, validate. Local AI agents that ask the next question — never the answer. Nothing uploads. Nothing trains a model. Nothing remembers you.
For founders whose plans usually die in row 47.
Why a canvas, not a spreadsheet
A spreadsheet is where ideas go to die.
You build it in October. You name it `business_plan_v3_FINAL_FINAL.xlsx`. You email it to a friend. They never open it. You never open it.
Six months later you have a different idea. The spreadsheet is still there. The ideas inside it are not.
A Lean Canvas is different. It's a one-page picture, not a database. You read it in twelve seconds, not twelve minutes. You hand it to a stranger at a coffee shop and they understand your business before the espresso lands.
A pitch deck is the other failure mode. You spend three weeks polishing slides for one investor meeting. The slides survive the meeting; the thinking doesn't. Slides force you to perform. A canvas asks you to think.
The Lean Canvas was Ash Maurya's rewrite of Alex Osterwalder's Business Model Canvas, tuned for startups whose biggest unknown isn't operations — it's the customer. Nine boxes. One page. The version you'll actually open six months from now. That's the bar.
What a Lean Canvas does in nine boxes.
A Lean Canvas is a one-page business model — Problem, Solution, Unique Value Proposition, Channels, Customer Segments, Unfair Advantage, Key Metrics, Cost Structure, Revenue Streams. It replaces a 30-page business plan with the nine questions a founder actually has to answer to know if the idea works.
Totally Lean runs the canvas in your browser. No account. No server. The data lives in your local storage. Three local AI agents help you fill it; a 90-second voiced pitch generator turns the canvas into something you can hand to a stranger.
When you click Start, you're editing in seconds, no signup, no email, no team workspace. Share via URL when you want someone in. Export JSON when you want a copy.
Other ways founders frame the same canvas.
The same nine boxes, framed for different moments. Pick the one that fits where you are right now.
- BEFORE THE DECKA Lean Canvas you write before you write the pitch.
- FOR THE 11 PM IDEAThe Lean Canvas you draft the night you have the idea.
- NO ACCOUNT · NO SERVER · NO ROOM FULL OF PEOPLEThe Lean Canvas that never leaves your laptop.
- TYPE · HEAR · SHIPNine boxes. Ninety seconds. The Lean Canvas with a voiced pitch.
Frequently asked
- What's wrong with using a spreadsheet for a business plan?
- Spreadsheets are databases, not pictures. They reward completeness over clarity, and they end up in folders no one ever opens again. A Lean Canvas is a one-page picture you can hand to a stranger and have them understand your business in twelve seconds.
- How is a Lean Canvas different from a pitch deck?
- A pitch deck forces you to perform — every slide has to look confident and finished. A Lean Canvas asks you to think — boxes are allowed to be empty or partially answered. You write the canvas to figure out the business; you write the deck to communicate it.
- Why nine boxes specifically?
- The nine sections (Problem, Solution, Unique Value Proposition, Customer Segments, Channels, Revenue Streams, Cost Structure, Key Metrics, Unfair Advantage) are Ash Maurya's reduction of Alex Osterwalder's Business Model Canvas, tuned for early-stage startups whose biggest unknown is the customer, not operations.
- Can I export my Lean Canvas?
- Yes. Totally Lean exports as PNG, JSON, or plain text. Print, share via URL, or hand off the JSON file to a co-founder. The data lives in your browser; export is one click.
The Lean Canvas for the business plan you'll actually open.
No signup, no server, no email. Open the editor and start sketching.