Y
Y Build
FonctionnalitésTarifsToolsDocumentationBlog

Free Tools for Founders

Everything you need to plan, build, and launch your startup. No signup required.

💰

AI Model Pricing Calculator

Compare costs across GPT-5.4, Claude Opus 4.6, Gemini 3.1 Pro, and more. Enter your usage and see exact costs.

Use tool →
📊

SaaS Revenue Calculator

Calculate MRR, ARR, LTV, CAC payback period, and 12-month growth projections for your SaaS.

Use tool →
🔒

Privacy Policy Generator

Generate a professional privacy policy for your app or website. Covers GDPR, CCPA, cookies, and more.

Use tool →
✨

Startup Name Generator

Generate creative, brandable startup names instantly. Enter your industry and keywords to get suggestions.

Use tool →
🛠️

Tech Stack Recommender

Answer a few questions and get a personalized tech stack recommendation for your project.

Use tool →
🤖

AI Prompt Generator

Create optimized prompts for ChatGPT, Claude, and Gemini. Select your use case and get ready-to-use templates.

Use tool →
✅

SaaS Idea Validator

Score your startup idea with 10 questions. Get a grade, risk assessment, and actionable next steps.

Use tool →
📝

Landing Page Copy Generator

Generate hero headlines, feature descriptions, CTAs, and FAQ sections for your landing page.

Use tool →
Y
Y Build

De l'idée au lancement, l'IA fait tout.

Produit

  • Fonctionnalités
  • Tarifs
  • Actualités

Ressources

  • Documentation
  • Blog
  • Guides

Entreprise

  • À propos
  • Contact
  • Carrières

Légal

  • Confidentialité
  • Conditions

© 2026 Y Build. Tous droits réservés.