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  3. JSON Formatter

JSON Formatter

Format, validate, and minify JSON data

Related Tools

  • JSON Beautifier - pretty print JSON data
  • JSON Minifier - compress JSON for production
  • JSON Validator - check JSON syntax
  • JSON Viewer - explore JSON in tree view

How to Use JSON Formatter

  1. Paste your JSON

    Copy and paste your JSON data into the input field on the left.

  2. View formatted output

    Your JSON is automatically formatted with proper indentation.

  3. Copy the result

    Click the Copy button to copy the formatted JSON to your clipboard.

Frequently Asked Questions

Is the JSON Formatter tool free to use?
Yes, our JSON Formatter is completely free to use with no limitations. There are no sign-ups, subscriptions, or hidden fees. You can format, validate, and minify as much JSON as you need without any restrictions.
Is my JSON data secure and private?
Absolutely. All JSON processing happens entirely in your browser using JavaScript. Your data never leaves your device and is never sent to any server. This client-side approach ensures complete privacy and security for sensitive data like API responses, configuration files, or any other JSON content.
What is the maximum JSON size I can format?
There is no artificial limit on JSON size. The only limitation is your browser's available memory. In practice, this means you can easily handle JSON files of several megabytes. For extremely large files (100MB+), you may experience slower performance depending on your device.
Does the JSON Formatter validate JSON syntax?
Yes, the tool automatically validates your JSON as you format it. If your JSON contains syntax errors, the formatter will display a clear error message indicating what went wrong, such as unexpected tokens, missing brackets, or trailing commas. This helps you quickly identify and fix malformed JSON.
What is the difference between formatting and minifying JSON?
Formatting (or beautifying) adds proper indentation and line breaks to make JSON human-readable, which is ideal for debugging and code review. Minifying removes all unnecessary whitespace and line breaks to create the smallest possible file size, which is useful for production environments where bandwidth and storage matter.