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Pretty-print, validate, sort keys alphabetically, or minify JSON payloads 100% locally in your browser.
Your inputs stay in your browser. Make something useful.
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Here’s how to get the most out of json formatter.
Debugging minified API responses shouldn’t require pasting sensitive payloads into third-party servers that log requests. Our JSON Formatter runs strictly inside your browser with zero network transmission of your JSON content.
A few things you might want to know before you start.
Never. Validation and formatting use your browser’s local JavaScript engine.
Yes, toggle "Sort Keys Alphabetically" to recursively sort all object keys for clean git diffs.
No. To protect sensitive API data, nothing is persisted to localStorage.
Yes, click the Minify button to strip all unnecessary whitespace.
