Free YAML Formatter

Ensure your configuration files are error-free. Beautify messy YAML and validate syntax for Ansible, Docker, and Kubernetes.

YAML Formatter

Work Steps

Step 1
Enter your age in days, months, and years in the text box.
Step 2
You will see your current age.

Features

Syntax Validation
Highlights indentation errors.
Beautify
Consistent indentation and spacing.
JSON Conversion
Convert YAML to JSON and back.

Frequently Asked Questions

What is YAML Formatter and what is it used for?

A YAML formatter restructures YAML with consistent indentation and spacing while preserving its data structure.

Paste YAML into the formatter and generate formatted output, then validate it against the YAML parser used by your application.

Indentation is significant in YAML, so formatting errors can change structure or make the file invalid.

Different YAML parsers can support different versions or extensions, so parser compatibility matters.

Use it for configuration files, CI/CD definitions, Kubernetes manifests, and readable data exchange.

If the formatted file behaves differently, check indentation, tabs, anchors, aliases, quoting, and parser/version differences.