ToolsXpo

JSON Key & Path Extractor

Quickly list every unique key and data path within a JSON object. Perfect for schema analysis and creating documentation for complex APIs.

Configuration

Include dot notation paths

Alphabetical ordering

This tool has an API.Automate it from your code — 1 credit/call.Open in Playground
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How to use JSON Key ExtractorEvery option explained, a worked example, and what to check when the output looks wrong.Read the guide

Examples & Use Cases

Input Object

{
  "user": {
    "name": "Rubel",
    "id": 1
  }
}

Extracted Paths

user
user.id
user.name

Analyze JSON Schemas with the Key Extractor

When working with large, deeply nested JSON responses from modern APIs, simply finding the path to a specific value can be difficult. Our JSON Key Extractor scans your entire JSON structure and provides a flat list of every key and access path, saving developers significant time during integration.

Why Extract Keys?

01.

Path Discovery

Easily find the correct dot-notation path for use in libraries like Lodash or during frontend mapping.

02.

Schema Documentation

Quickly generate a list of available fields for API documentation or data dictionaries.

03.

Data Audit

Verify that all expected keys are present and identify unexpected fields in a data sample.

High-Speed Local Processing

Processing huge JSON files? Our key extractor uses a memory-efficient recursive walk that handles thousands of keys without sending any data to a server. Absolute privacy and zero latency.

About JSON Key & Path Extractor

Quickly list every unique key and data path within a JSON object. Perfect for schema analysis and creating documentation for complex APIs. It's built for moving structured data between formats without a build step, runs instantly, and works on any device — no install, no sign-up.

How to use JSON Key & Path Extractor

  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 Key & Path Extractor?

  • 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 Key & Path Extractor from your own code, a script or a CI pipeline.

Bash
curl "https://api.toolsxpo.com/v1/json-key-extractor" \
  -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 Key & Path Extractor 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 Key & Path Extractor runs entirely in your browser — your input never leaves your device and nothing is logged or stored.

Can I automate JSON Key & Path Extractor? Yes — call the json-key-extractor API endpoint from any language and script it into your workflow.

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