PromptNin is a browser-first, privacy-respecting tool to help developers craft better prompts for AI coding assistants like GitHub Copilot, Gemini, and others.
🧠 No AI. No backend. No tracking.
⚡ Just instant prompt generation based on proven patterns—right inside your browser.
- ⚙️ Prompt Playground – Pick a technique, paste your input, and instantly get a tailored prompt.
- 🧩 Prompt Strategy Library – Curated techniques for writing effective prompts.
- 🎛️ Custom Defaults – Configure and save input defaults for each strategy.
- 🔒 100% Privacy – No servers, no logins. Everything runs locally in your browser using
localStorage.
👉 https://promptnin.vercel.app
- Visit the Playground.
- Paste your code, bug, or question.
- Select a strategy (e.g., Role Prompting).
- Instantly receive a tailored prompt for your AI assistant.
Copy → Paste → Done.
PromptNin is built with Next.js and styled using Tailwind CSS.
- Node.js v18+
- npm or Yarn
git clone https://github.com/your-username/promptnin.git
cd promptnin
npm install # or yarn installnpm run dev # or yarn dev Visit http://localhost:3000 to view the app in your browser.
We welcome your contributions! You can:
- ✍️ Add new prompt strategies
- 🧠 Improve examples or descriptions
- 🐛 Submit bug fixes or feature suggestions
- ♿ Enhance accessibility or UI
- 📘 Improve documentation
Check out the Contributing Guide to get started.
PromptNin runs entirely in your browser. We do not store or transmit any user data.
All configurations are stored locally via localStorage and disappear when you clear your browser data.
- Addy Osmani – For inspiring the prompt strategy framework.
- Our Contributors – Thank you for making this project better every day.
MIT License © 2025 PromptNin
- 🌐 Website
- 🐙 GitHub
- 🐦 Twitter / X
Prompt smarter. Code faster. Stay private.