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JSON Formatter & Validator - Beautify or Minify JSON

Free online JSON Formatter. Validate, beautify, and minify your JSON data. Features error detection, file upload, and secure client-side processing.

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Input JSON🔒 Processed Locally
Result / Output0 KB

JSON Formatter & Validator

JSON (JavaScript Object Notation) is the standard data format for the web. However, raw JSON from APIs is often minified (squashed into one line), making it impossible to read.

What this tool does

  • Beautify: Adds proper indentation (2 spaces) and newlines to make the code readable for humans.
  • Minify: Removes all unnecessary whitespace to reduce file size for production use.
  • Validate: Checks for syntax errors like missing commas or quotes and points out exactly where the error is.
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How to use JSON Formatter & Validator - Beautify or Minify JSON

This JSON Formatter & Validator - Beautify or Minify JSON is designed to be fast and easy to use. Follow these steps:

  1. Input your data into the field above.
  2. Click the action button to process.
  3. View or download your results instantly.

Why use this tool?

  • Privacy First: Calculations happen in your browser. No data is sent to our servers.
  • Fast: Instant results without installing software.
  • Free: Unlimited use with no hidden fees.

Frequently Asked Questions

Is this tool free?

Yes, this tool is 100% free to use.

Does it work on mobile?

Yes, this tool is fully responsive and works on iOS and Android.