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YAML Formatter
Clean up YAML layout and make the structure easier to inspect.
Developer Tools
yaml
formatter
validator
Data formatting
YAML Formatter and Validator
Paste YAML to quickly normalize indentation, validate syntax, and generate a cleaner copy-ready result.
Processed in your browser
This tool parses and formats YAML directly in your browser without sending the content to the server first.
Ready to use
This tool is ready to use. Enter your content, review the result, and finish the task right away.
Key features
- Clean up YAML indentation and output a more readable structure.
- Show validation errors directly so you can fix them faster.
- Useful for config files, deployment snippets, and CI/CD templates.
How to use
- Paste YAML into the input area.
- Choose format or validate to check whether the syntax is correct.
- Review the result, then copy it or download it.