JSON Validator

Validate JSON syntax with detailed error messages and location indicators

JSON Input

0 characters

Usage Instructions

  1. Paste or type your JSON data in the input box
  2. Tool will automatically validate JSON syntax and display results
  3. If JSON is valid, a green border and detailed statistics will be displayed
  4. If JSON is invalid, a red border and specific error message with position will be displayed
  5. Click "Copy Formatted Result" to copy the formatted valid JSON

💡 Common JSON Errors:

  • Missing or extra commas
  • Key names not using double quotes
  • Strings using single quotes instead of double quotes
  • Trailing comma at the end
  • Mismatched parentheses or braces

About JSON Validator

Comprehensive JSON syntax validator that checks your JSON for errors and provides precise error locations with line and column numbers. Displays JSON structure statistics including type, depth, key count, and file size. Features instant validation, detailed error explanations, and automatic formatting for valid JSON. Essential tool for debugging JSON data and ensuring syntax correctness.

Explore More JSON Tools

Discover all tools in the json tools category

Browse Category