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Free tools for founders

Small, useful tools I built for people planning or launching a SaaS. Free, no sign-up, nothing saved on a server.

01 · PlanningSaaS MVP cost calculatorPick your features and get a price and timeline in seconds.02 · PaymentsPayment gateway fee calculatorSee what Razorpay, Stripe and Dodo Payments really take from each sale.03 · LaunchLaunch readiness checklist24 checks across domain, emails, payments and security, with a live score.04 · AI-built appsAI app rescue checkBuilt with Lovable, Bolt or Emergent? Find out what is likely broken.