La façon la plus rapide de transformer une idée d’entreprise en un plan testable.
Créez votre Lean Canvas —
en 5 minutes chrono
Décrivez votre idée en français courant. LEANSpark pose les bonnes questions, remplit votre canvas et vous dit quoi tester en premier.
Sans carte bancaire.
Du créateur du Lean Canvas — utilisé par plus d’1 million d’entrepreneurs dans le monde.
Tout seul
- Chercher sur Google « comment remplir un lean canvas »
- Deviner ce qu’il faut mettre dans chaque case
- Aucune idée si vos hypothèses sont justes
La méthode boostée par l’IA
- Décrivez votre idée à l’IA en français courant
- Elle pose des questions de clarification et construit votre canvas
- Elle teste chaque case et vous dit quoi valider en premier
La plupart des fondateurs passent des semaines à douter de leur idée. LEANSpark vous donne un plan clair en une seule conversation.
Lancer mon canvas →Gratuit — en moins de 5 minutes.
What is a Lean Canvas?
Lean Canvas is a 1-page business model template created by Ash Maurya in 2010. It adapts Alexander Osterwalder's Business Model Canvas for startups operating under conditions of extreme uncertainty.
While the original Business Model Canvas maps an existing business holistically, Lean Canvas focuses on what matters most at the early stage: identifying and testing your riskiest assumptions before you build.
The 12 blocks of a Lean Canvas
- Customer Segments — Who has the problem and who will pay
- Problem — The top 3 problems your customers face
- Existing Alternatives — How customers solve these problems today
- Unique Value Proposition — The single, clear message that turns a visitor into a customer
- Solution — Your top 3 features that address the top problems
- Key Metrics — The numbers that tell you how your business is doing
- Channels — How you reach your customers
- Early Adopters — The specific subset of customers you target first
- Cost Structure — Your fixed and variable costs
- Revenue Streams — How you make money
- Unfair Advantage — What can't be easily copied or bought
- High-Level Concept — The X for Y analogy that makes your idea instantly understandable
Why Lean Canvas instead of Business Model Canvas?
Lean Canvas replaces four boxes from the original BMC — Key Partners, Key Activities, Key Resources, and Customer Relationships — with startup-specific ones: Problem, Solution, Key Metrics, and Unfair Advantage.
These substitutions matter. Early-stage ventures need to understand their problem deeply before worrying about key partners. They need to define metrics before cataloging resources. Lean Canvas captures what's most uncertain — and most risky.
For a detailed comparison, see Lean Canvas vs Business Model Canvas.
Who uses Lean Canvas?
Over a million entrepreneurs, accelerators, and universities worldwide use Lean Canvas. It's a core component of the Running Lean methodology and the Continuous Innovation Framework. Organizations like MassChallenge, Techstars, and hundreds of university programs use it to coach founders through early-stage validation.
Lean Canvas + AI
LEANSpark brings the Lean Canvas to life with AI. Instead of staring at nine empty boxes, you describe your idea in plain English. The AI builds your canvas, then stress-tests it across 7 dimensions — Clarity, Desirability, Viability, Feasibility, Defensibility, Mission, and Timing — and tells you which assumptions to validate first.
It's the only AI startup tool built by the person who invented the methodology.