ToolsXpo

JSON Schema Generator

Infer and generate standard draft-07 JSON Schema documents instantly from your sample JSON payloads. 100% in-browser.

Configuration

Add description fields to values

Force properties to be required

This tool has an API.Automate it from your code — 1 credit/call.Open in Playground
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Examples & Use Cases

Sample JSON Input

{
  "name": "Jane",
  "active": true
}

Generated Schema

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "GeneratedSchema",
  "type": "object",
  "properties": {
    "name": { "type": "string" },
    "active": { "type": "boolean" }
  },
  "required": ["name", "active"]
}

Leverage JSON Schema for Data Safety and Protocol Design

When creating modern RESTful interfaces, designing configuration payloads, or setting up validation layers, having a clear structural layout is essential.JSON Schema provides a contract-like structure to assert what is valid data. Our generator lets you convert any existing sample payload directly into a complete, standard-compliant schema document.

About JSON Schema Generator

Infer and generate standard draft-07 JSON Schema documents instantly from your sample JSON payloads. 100% in-browser. It's built for inspecting and reshaping JSON payloads, runs instantly, and works on any device — no install, no sign-up.

How to use JSON Schema Generator

  1. Paste or type your input into the editor on the left.
  2. Leave the defaults, or tweak them if the tool exposes options.
  3. The result appears instantly on the right — everything runs in your browser, so nothing is uploaded.
  4. Copy the output, or download it, and you're done.

Why use JSON Schema Generator?

  • Fast and local — the transform happens in your browser, so there's no round-trip and no waiting.
  • Private by default — your input never leaves your device.
  • Accurate — the same, well-tested logic powers both this page and the public API.
  • Free — unlimited use in the browser, with an optional API for automation.

Use it from the API

Everything this page does is also available as a REST endpoint, so you can call JSON Schema Generator from your own code, a script or a CI pipeline.

Bash
curl "https://api.toolsxpo.com/v1/json-schema-generator" \
  -H "Authorization: Bearer txp_live_YOUR_KEY"

The endpoint returns a JSON envelope ({ ok, data, meta }) and costs 1 credit per successful call. Try it in the playground or browse the full API reference.

Frequently asked questions

Is JSON Schema Generator free to use? Yes — use it in the browser as much as you like. The optional API has a free tier and pay-as-you-go pricing for heavy or automated use.

Is my data private? Yes. JSON Schema Generator runs entirely in your browser — your input never leaves your device and nothing is logged or stored.

Can I automate JSON Schema Generator? Yes — call the json-schema-generator API endpoint from any language and script it into your workflow.

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