Every square answers one important question. Type concise notes directly into the canvas below. Your entries are saved in this browser only when browser storage is available—not sent to a server. You can export a backup and print the complete nine-box model on one landscape page.
WORKSPACEBuild your Lean CanvasPreparing your draft…
ONE-PAGE BUSINESS MODELLEAN CANVAS

Top 1–3 important customer problems

EXISTING ALTERNATIVES

What do people use or do today?

The simplest solution for each problem

Numbers that show real progress

One clear reason a customer should care

HIGH-LEVEL CONCEPT

A short analogy or description

What cannot easily be copied or bought?

How will customers discover and get it?

Who has the problem? Who pays?

EARLY ADOPTERS

Who urgently needs a solution first?

Fixed, variable, startup, delivery, and acquisition costs

Who pays, how much, and for what?

Working hypothesis · revise after customer researchAdapted from Lean Canvas by Ash Maurya · CC BY-SA 3.0
0 of 9 main boxes drafted

Start with short statements. Complete the extra mini-prompts when useful. Keep an exported copy of important work.

What goes in each square?

Square One-sentence explanation
Problem The top one to three frustrations the customer experiences. Existing Alternatives shows how people cope today.
Customer Segments The specific people or organizations who have the problem. Early Adopters are the first likely customers.
Unique Value Proposition The one-sentence promise explaining why the solution matters. High-Level Concept is an optional short analogy.
Solution The smallest credible product or service that addresses the main problems.
Channels Ways people discover, buy, and receive the offer.
Revenue Streams What the customer pays for, how often, and at what price.
Cost Structure The money needed to create, deliver, support, and sell the offering.
Key Metrics A few numbers showing whether customers get value and the business is working.
Unfair Advantage A meaningful asset or edge competitors would find hard to copy.

Use Print / Save PDF and choose Letter, Landscape, and (if available) Background graphics. The print view hides the book menus and explanations to focus on a single sheet. If a box has too much text to fit, shorten it before printing—brevity is part of the exercise.

The autosave works in local browser storage, not on a remote account. Clearing browser data, changing computers, or opening a private browser can remove or hide the draft. Use Export JSON to make a portable backup and Import JSON to restore one.