JSON Validator

Quickly check JSON for errors and report them in detail. Validate your JSON structure instantly.
Enter JSON to validate

JSON Validator - Check JSON for Errors

Free online JSON validator to check your JSON for syntax errors. Get detailed error reports with line and position information.

Key Features

  • Real-time JSON validation
  • Detailed error reporting with line numbers
  • Syntax highlighting for better readability
  • Simple and intuitive interface
  • Free to use, no registration required

Common Use Cases

  • Validating API responses
  • Checking configuration files before deployment
  • Debugging JSON parsing issues
  • Testing JSON before using it in applications
  • Learning proper JSON syntax

How to Use

  1. Paste your JSON into the input editor
  2. Click the 'Validate JSON' button to check for errors
  3. Review the validation results and any error details
  4. Make corrections if needed and validate again