Free AI Tools
Client-side calculators. No account needed. Results stay in your browser.
Most Popular
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.cursorrules Generator
Generate a ready-to-paste .cursorrules file for your stack
Fill in your stack and preferences — get a complete .cursorrules file that governs Cursor Agent Mode behavior. No API call. Instant output.
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GitHub README Generator
Generate a professional README in under a minute
Fill in your project name, stack, and features — get a complete, formatted GitHub README ready to paste. Template-driven, no API call.
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AI API Cost Calculator
Compare monthly AI API costs across every major provider
Input your daily token usage and see exactly what you will pay across OpenAI, Anthropic, Gemini, Groq, and Mistral. Static pricing table — no API call.
All free tools
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Affiliate MRR Calculator
See your recurring affiliate income potential before you start
Referrals per month × average tool price × commission rate = your projected MRR. Add multiple programs to see your combined income stack.
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Solopreneur Tech Stack Picker
Answer 5 questions, get your perfect solo stack
Tell us what you are building, your budget, and your technical level — get a recommended stack with affiliate links to every tool you need.
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Context Window Planner
Know when your AI will forget what you told it
Paste your file list and sizes — see how many tokens your codebase uses and get a warning before you hit the context limit. Pure math, no API.
monetization
Launch Readiness Audit
10 questions that tell you if your AI project is ready to ship
Answer 10 questions about your project, audience, and monetization plan — get a readiness score and the 3 most critical things to fix before launching.
monetization
Solopreneur Revenue Model
Build your revenue model in 60 seconds
Input your pricing, traffic, conversion rate, and churn — see MRR, ARR, breakeven month, and the levers that matter most. No AI, just math.
monetization
Build vs Buy Analyzer
Should you build it or buy a SaaS tool?
Enter the feature, your hourly rate, build time estimate, and the SaaS price — get a clear answer on whether to build or buy, including 12-month cost comparison.
monetization
Niche Viability Scorer
Rate any solopreneur niche before you commit
Answer 8 questions about your target niche — get a viability score across demand, competition, monetization, and solopreneur fit. No AI needed for honest numbers.