Developer Tools

JSON Formatter

Paste raw JSON to format it for reading, validate the structure, or compress it into a minified string. Nothing leaves your browser.

Format or minify JSON

JSON input

Paste JSON and choose an action.

Output

What this tool does

Format, validate, and minify JSON directly in the browser.

Useful for

Read API responses more clearly
Validate configuration snippets
Shrink JSON before sending or storing

Quick tips

Invalid JSON will return a readable error message.
Use minify mode when you need a compact payload.

Related tools

Helpful reading