Validation guides

How to validate any idea — before you build it

Pick your category. Each guide walks the same proven method — a fake-door test that measures real buy-intent instead of vanity views — applied to the specific pitfalls and benchmarks of that kind of idea.

SaaSHow to validate a SaaS ideathe fastest way to tell whether people will pay for your SaaS before you write a line of code.Mobile appHow to validate a mobile app ideahow to prove demand for an app before you spend months in Xcode or React Native.Chrome extensionHow to validate a Chrome extension ideavalidate a browser-extension idea before you touch the manifest.AI toolHow to validate an AI tool ideacut through the AI hype and measure whether people will actually pay for your AI tool.NewsletterHow to validate a newsletter ideatest whether a newsletter niche has real pull before you commit to writing it weekly.MarketplaceHow to validate a marketplace ideavalidate the demand side of a marketplace before you solve the chicken-and-egg problem.E-commerceHow to validate an e-commerce product ideaprove a physical-product idea will sell before you order inventory.B2B softwareHow to validate a B2B software ideavalidate a B2B idea with the people who hold the budget, not the crowd.Dev toolHow to validate a developer tool ideavalidate a dev tool with an audience that famously expects things free.Online courseHow to validate an online course ideapre-sell a course concept before you record a single lesson.Notion templateHow to validate a Notion template ideavalidate a digital-product/template idea before you spend a weekend designing it.Productized serviceHow to validate a productized service ideavalidate a productized service (design, dev, content on subscription) before hiring or over-committing.FintechHow to validate a fintech ideavalidate a fintech idea early — before the compliance and licensing weight lands.Health & fitnessHow to validate a health or fitness app ideavalidate a health/fitness app in a crowded market before you build.Indie gameHow to validate an indie game ideagauge interest in a game concept before you sink months into development.Micro-SaaSHow to validate a micro-SaaS ideavalidate a small, focused SaaS you can build and run solo — before the build.

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The method works for any idea. Spin up a test page and let the rate decide.

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