Beautify, minify, and validate JSON data with multiple indent options and key sorting. 100% private, all processing in your browser
No. Beautify only adjusts indentation and line breaks without changing the data. If 'Sort Keys' is enabled, object keys are reordered alphabetically, but values remain unchanged.
No. All formatting is done locally in your browser. Your JSON data never leaves your device, fully protecting your privacy.
Supports standard JSON format including objects, arrays, strings, numbers, booleans, and null. Syntax errors are automatically detected and reported.
Yes. Pasted JSON is validated automatically. If there are errors, the specific message and location are shown for easy debugging.
It supports fairly large JSON files, but is limited by browser memory. We recommend processing data under a few MB at a time for smooth performance.
Completely free. This is a pure frontend online tool - no registration required, no payment needed, just open and use.
Encode and decode Base64 with UTF-8, URL-safe option, and file-to-Base64. 100% private, all processing in your browser
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Format JSON with proper indentation, catch syntax errors, and minify it for production: the fastest built-in commands and browser tools for pretty-printing JSON.