AWSChecker.com|JSON Syntax Checker & Fixer

AWS JSON Syntax Checker & Fixer - Free Online JSON Validator

Validate, format, and automatically fix your AWS JSON configurations with our free online tool. Perfect for AWS CloudFormation templates, IAM policies, and other AWS JSON configurations. Get instant error detection, line-by-line highlighting, and automatic fixes for common JSON syntax issues.

AWS CloudFormationIAM PoliciesJSON ValidatorSyntax CheckerError Fixer
JSON Input
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JSON Checker & Validator
Fixed and formatted JSON will appear here

AWS JSON Validation

Instantly validate JSON syntax for AWS CloudFormation, IAM policies, and configurations

Auto-Fix Errors

Automatically detect and fix common JSON formatting issues and syntax errors

Easy Copy & Export

One-click copy of your formatted JSON output for immediate use in AWS

Why Use AWSChecker.com JSON Validator?

AWSChecker.com provides the most comprehensive and user-friendly JSON validation tool specifically designed for AWS developers and cloud engineers. Our tool goes beyond basic JSON validation to provide AWS-specific features and optimizations.

Perfect for AWS Services:

  • AWS CloudFormation template validation
  • IAM policy syntax checking
  • AWS Config rules validation
  • Lambda function configurations
  • API Gateway definitions

Advanced Features:

  • Real-time error highlighting
  • Line-by-line error reporting
  • Automatic syntax error fixing
  • Professional JSON formatting
  • Copy-to-clipboard functionality

Whether you're debugging CloudFormation templates, validating IAM policies, or working with any AWS JSON configuration, our tool helps ensure your code is syntactically correct and follows best practices.