npm

cfn-format

Format AWS CloudFormation templates with consistent styling

brewmacoslinux
Try with needOr install directly
Source

About

Command-line tool for formatting AWS CloudFormation templates

Commands

cfn-format

Examples

Format a CloudFormation template file in place$ cfn-format -i template.yaml
Format a template and output to stdout$ cfn-format template.json
Format a template with specific output format$ cfn-format -i -o yaml template.yaml