JSON Formatter
Paste your JSON to format, beautify, minify, or validate it instantly. Supports adjustable indentation levels. Everything runs 100% in your browser.
100% Private — Nothing is sent to any server
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Instant Formatting
Beautify or minify JSON in a single click with customizable indentation using 2 spaces, 4 spaces, or tabs.
Live Validation
Get real-time feedback as you type. Instantly see whether your JSON is valid or where the syntax error is.
Fully Private
Your JSON data never leaves your device. All formatting and validation happens locally in the browser.