Free startup tools
Free tools for founders, made by Preuve. Score an idea, then sharpen its name, buyer, offer and model.
Startup Viability Analyzer
Score any idea from 0 to 100 with competitors, demand and market size from 60+ live sources.
Free generators
AI Business Idea Generator
5 ideas matched to your skills, budget, and niche, with market context and competition level.
Try it freeAI Value Proposition Generator
Free value proposition generator with 3 messaging angles side by side. Find the one that actually holds up.
Try it freeAI Buyer Persona Generator
Free buyer persona generator with goals, frustrations, objections, and channels built for sharper validation.
Try it freeAI Business Name Generator
5 stronger naming directions with taglines and domain angles, not generic AI filler.
Try it freeBusiness Model Canvas Generator
Turn one idea into a complete 9-block canvas, ready to print and refine.
Try it freeFree analysis tools
Free calculators
TAM SAM SOM Calculator
Size your market from buyer counts and price, with two SOM methods and the checks investors run.
Try it freeLTV Calculator
Lifetime value, the LTV to CAC ratio and months to pay back CAC.
Try it freeBreak Even Calculator
Units and revenue you need to cover fixed costs.
Try it freeBurn Rate Calculator
Net burn, months of runway and the month cash runs out.
Try it freeStartup Cost Calculator
One-time and monthly costs plus a cushion, as one cash number.
Try it free