JSON Formatter
Beautify and format JSON with selectable indentation, instantly in your browser. No upload, no sign-up.
What is a JSON formatter?
A JSON formatter (also called a beautifier or pretty printer) takes minified JSON — the compact payload an API returns — and indents it so a human can read it. It also validates the document: if the syntax is wrong, you get the exact error instead of a silent failure.
Why this one?
Formatting runs entirely in your browser: nothing you paste is sent to or stored on any server. Paste an API response straight from DevTools, pick your indentation, and copy the readable result.