JSON Formatter & Validator

Format, minify, and validate JSON data with syntax highlighting and instant error diagnosis

JSON Formatter, Validator & Minifier

Format, minify, and validate JSON data instantly with syntax highlighting, indentation control, and real-time error detection.

How to use this tool

  1. Paste your raw JSON code or upload a .json file.
  2. Choose indentation (2 spaces, 4 spaces, tab) or click Minify.
  3. Copy the formatted JSON or download it directly.

Frequently Asked Questions

Is my JSON uploaded to any server?

No, all formatting and validation runs strictly on the client side in your web browser.

What does JSON Minify do?

Minification strips all whitespace and newlines, minimizing file transfer size for production APIs.

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