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YAML Formatter
Processed Locally
Format and beautify YAML data with proper indentation and structure
Options
Frequently Asked Questions
YAML (YAML Ain't Markup Language) is a human-readable data serialization format commonly used for configuration files. It uses indentation to represent structure and is easier to read than JSON or XML.
Yes! All YAML formatting happens locally in your browser. We never upload your data to our servers. Your files remain completely private.
The "Sort Keys" option alphabetically sorts all object keys in your YAML file. This is useful for maintaining consistent key ordering across different YAML files or for easier comparison.
Yes! The formatter preserves YAML anchors (&) and aliases (*) while formatting your document. These features allow you to reuse content within your YAML file.
YAML typically uses 2 spaces for indentation, but you can use 2, 4, or any consistent number of spaces. Never use tabs in YAML - always use spaces. Our formatter defaults to 2 spaces.