JSON Formatter & Validator

Format, validate, and fix JSON data with support for RFC 8259 and ECMA-404 standards. Perfect for debugging APIs and configuration files.

How to Use

  1. Paste your JSON data in the input field.
  2. Check "Fix common JSON errors" if needed (e.g., for incorrect quotes or trailing commas).
  3. Click "Format & Validate" to process.
  4. Copy or download the formatted JSON.

About JSON Formatter & Validator

This tool formats and validates JSON data, making it easy to read and debug. It supports RFC 8259 and ECMA-404 standards and can fix common errors like incorrect quotes, missing quotes, unquoted keys, or trailing commas. Ideal for developers working with APIs, configuration files, or data storage, it ensures your JSON is valid and well-structured.

JSON (JavaScript Object Notation) is a lightweight, language-independent data format using human-readable text for attribute-value pairs. It’s widely used in JavaScript, PHP, Python, and other languages for data exchange.

Learn more: json.org, RFC 8259, ECMA-404.

FAQs

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