JSON Formatter for AWS CloudFormation
Your data never leaves your browserAWS CloudFormation templates can grow to thousands of lines. A single misplaced bracket can cause a stack deployment to fail. Validate and beautify your CloudFormation JSON before pushing to AWS, without sending your infrastructure code to any server.
Example
{
"AWSTemplateFormatVersion": "2010-09-09",
"Resources": {
"WebServer": {
"Type": "AWS::EC2::Instance",
"Properties": {
"InstanceType": "t3.micro",
"ImageId": "ami-0c55b159cbfafe1f0"
}
}
}
}Tips
- 1Validate CloudFormation JSON locally before running aws cloudformation validate-template.
- 2Use tree view to navigate deeply nested Resource properties.
- 3Convert CloudFormation JSON to YAML using the built-in converter.
Frequently Asked Questions
Does formatting change behavior?
No. Formatting only affects whitespace.
Can I format large templates?
Yes, up to 5 MB.
Is my code safe?
Yes. All formatting happens in your browser.