YAML Formatter
Clean up YAML indentation and spacing without sending configuration data anywhere.
Input
Processing happens locally in this browser. Your input is not uploaded.
Output
The output is generated locally and remains on this device.
About this tool
Normalize indentation and spacing in common YAML mappings and sequences in your browser, with clear limitations for advanced YAML features.
- Normalize common mapping and sequence indentation.
- Preserve quoted values and comments.
- Report unsupported anchors, aliases, tags and complex YAML constructs.
- Process configuration text locally.
This tool runs in your browser. Do not use it as a substitute for a full standards validator where one is required.