Beautify, pretty-print, and minify JSON payloads directly in your browser with zero risk of exposing confidential API data or tokens.
Paste raw JSON into the editor or upload a .json file.
Choose 2 Spaces, 4 Spaces, Tabs, or Minify (compact).
Click "Format". Copy the formatted JSON or download it as a .json file.
Confidential API keys, database records, and authentication payloads never leave your browser.
Choose 2 spaces, 4 spaces, or tab indentation.
Strip all whitespace to create ultra-compact JSON strings for production APIs.
Highlights parsing errors with line and column markers.
Unformatted, minified JSON strings from API calls are difficult to read and debug. Public JSON formatters that send payloads to remote servers present massive security vulnerabilities for production tokens and customer records. TrendWala JSON Formatter formats and minifies JSON 100% client-side with syntax highlighting and instant error detection.
Yes, 100%. Open your browser developer tools Network tab and verify: not a single byte of your JSON is ever transmitted to any server.
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