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AI PRD Generator

Turn an idea into a developer-ready PRD package — features, data model, API, design tokens and CLAUDE.md / .cursorrules for your AI coding agent

Free & unlimited·🔒 100% Secure & Private·No signup · Runs free · Answers stay in your browser
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How to use AI PRD Generator

1Describe your idea

Write one paragraph about what you want to build and pick your platform — web, mobile, desktop, API or AI product.

2Set scope, design and stack

Say who it is for, what must ship, and — crucially — what should NOT be built. Pick your theme, brand colour and exact tech stack.

3Generate and export

The AI runs an outline pass, five section passes and a consistency check. Download the package as ZIP — six Markdown files, the full PDF, tokens.css, CLAUDE.md and .cursorrules — or grab Markdown, PDF or DOCX on their own.

Frequently Asked Questions

Is the AI PRD Generator free?

Yes — generate a complete PRD free, with no signup and no credit card. Your answers stay in your browser.

What exactly do I get?

A six-file package: overview (problem, scope, personas), features with testable acceptance criteria, architecture (data model, API, user flows), a design system with real CSS tokens, delivery (non-functional targets, milestones, risks) and AI-agent build instructions. Plus the whole thing as a PDF, tokens.css, CLAUDE.md, .cursorrules and AGENTS.md.

Why six files instead of one document?

AI coding agents have a limited context window. One 25-page document forces the agent to re-read everything for every task. Six focused files let it load only what the current step needs, which measurably improves the code it writes.

Does it work with Cursor and Claude Code?

Yes. The package includes a ready-made CLAUDE.md for Claude Code and a .cursorrules for Cursor, plus a generic AGENTS.md that works with Copilot, Windsurf, Cline, Codex and others. Drop the ZIP at the root of a new repo and point your agent at it.

Can I use my own tech stack?

Yes. Pick from the common options or choose "Other" and type any stack you like. The spec is written for exactly the stack you name — it never substitutes a different framework.

Why does it ask what NOT to build?

Because that is the half most specs omit. Without an explicit out-of-scope list, an AI coding agent invents features nobody asked for. Every exclusion you list is carried verbatim into the PRD and into the agent’s "never build" rules.

What is the quality score?

After generating, the PRD is checked against eight criteria: acceptance criteria on every feature, a defined data model and API, measurable non-functional targets, a stated out-of-scope list, an agent build order, and whether the derived colour palette passes WCAG AA contrast. You see the result rather than having to judge the output blind.

Can I regenerate just one section?

Yes. Each of the five sections can be regenerated on its own against the rest of the document, so you never have to rebuild a whole PRD to fix one part.

Are the design tokens real?

Yes. You pick one brand colour and the tool derives a full palette — brand shades, surfaces, text, borders and status colours — then audits every text/background pair for WCAG AA contrast and exports it as a tokens.css file you can paste straight into a project.

Is my idea kept private?

Your wizard answers and the generated PRD are stored only in your own browser. Nothing is published, and you can clear it with the "Start over" button at any time.

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