YAML Formatter & Beautifier

Format, validate, and clean Kubernetes, Docker Compose, or GitHub Actions YAML files with customizable indentation.

🔒 100% Client-Side Private Validation
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Input Raw YAML: 0 lines
Beautified YAML:

Frequently Asked Questions

Why does YAML indentation fail so often?

Unlike JSON, YAML uses indentation depth as syntax scope and forbids tab characters (\t). Using 2 or 4 consistent space characters is required by the official YAML specification.

Frequently asked questions

What does YAML Formatter & Beautifier do?

Free online YAML formatter and validator. Beautify messy YAML configurations, fix indentation, sort keys alphabetically, and inspect syntax errors client-side.

How do I use YAML Formatter & Beautifier?

Open YAML Formatter & Beautifier, enter or select the input requested by the tool, and use its controls to see the result.

Where can I find tools related to YAML Formatter & Beautifier?

Use the related tools below to explore more Beautifiers & Formatters tools.

About the author

WebToolsHub Editorial Team

We maintain this beautifiers & formatters tool and its usage guide.