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JSON Formatter

JSON Formatter & Validator

Paste your JSON data below to format, validate, and beautify it instantly.

Your formatted JSON will appear here...

Key Features

Syntax Highlighting

Color-coded JSON output for better readability with keys, strings, numbers, and booleans highlighted differently.

Error Detection

Identifies and pinpoints errors in your JSON with line numbers and error descriptions.

Auto Fix

Automatically fixes common JSON errors like missing quotes, trailing commas, and more.

How It Works

  1. Paste your JSON: Copy and paste your JSON data into the input box.
  2. Click Format: Our tool will parse and beautify your JSON with proper indentation.
  3. Copy or Download: Use the formatted JSON directly or download it as a file.