Data & Config Formats
YAML Formatter
Clean up inconsistent YAML indentation and convert inline flow-style mappings into readable block style.
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How it works
Three steps, no setup
1
Paste your YAML
Mixed indentation and inline flow syntax are both accepted.
2
Get normalized output
Consistent 2-space indentation is applied throughout.
3
Check for parse errors
Invalid YAML is flagged with a clear error instead of silent corruption.
Common questions
Frequently asked questions
What is flow-style YAML?
It is the inline { key: value } / [a, b, c] syntax borrowed from JSON — this tool converts it into the more common indented block style.
Does formatting change my data?
No, only structure and whitespace presentation changes — the underlying values stay identical.
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