Format, beautify, and validate YAML with syntax highlighting and JSON conversion
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Formatted YAML will appear here...
Prettify YAML with customizable indentation (2 or 4 spaces)
Detect YAML errors with line numbers for easy debugging
Instantly convert YAML to JSON with proper formatting
Our YAML Formatter is a free online tool designed to help developers format, validate, and beautify YAML files instantly. YAML (YAML Ain't Markup Language) is widely used for configuration files, particularly in DevOps, Kubernetes, Docker Compose, and CI/CD pipelines.
Key features: Real-time YAML validation with error line numbers, customizable indentation (2 or 4 spaces), syntax highlighting for better readability, and instant YAML to JSON conversion. Perfect for debugging configuration files, preparing deployment manifests, or converting between data formats.
How to use: Simply paste your YAML into the input area. The tool automatically validates and formats your YAML in real-time. Switch between YAML and JSON output views, adjust indentation as needed, and copy the formatted output with one click. No signup required and completely free to use!