YAML Formatter

Format and validate YAML, normalizing its indentation.

Paste YAML

Files never leave your device - conversion runs entirely in your browser.

Related tools

How it works

1
Paste your YAML

Any valid YAML document.
2
Formatted instantly

Re-parsed and re-printed with normalized indentation.
3
Copy the result

Or see a clear error if the YAML is invalid.

FAQ

Does this tool send my YAML to a server?: No - formatting runs entirely in your browser.