Parse JSON & inspect API responses

Paste JSON text, or enter a URL to fetch and diagnose.

Press Ctrl+Enter to parse. Your JSON never leaves this browser.
{ }

Paste some JSON or enter a URL to get started.

Privacy: JSON you paste is parsed entirely in your browser — it is never sent to any server. URL fetches are proxied through the Worker, but the URL itself is not stored or logged. No accounts, no tracking, no data collection.