LLM Structured Output Builder

Visually build a JSON Schema and instantly generate OpenAI structured outputs, OpenAI/Anthropic tool definitions, Zod, and Pydantic code — plus validate sample responses and import existing schemas.

100% in-browser; nothing you type is uploaded.

Interactive Calculator

Use this calculator to analyze your finances and make informed decisions.

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From the same team

Turn your GPU into an OpenAI-compatible API endpoint

Wide Area AI routes your LLM API calls to your own hardware over a Cloudflare Tunnel — free local inference with edge caching and automatic cloud failover. Works with any OpenAI SDK.

Start routing — free