YAML Formatter — Format and Beautify YAML

Format and beautify YAML with consistent indentation. Fix messy YAML. Free, client-side formatter.

YAML Formatter: Format and beautify YAML with consistent indentation. Fix messy YAML. Free, client-side formatter. Especially useful for making dense API output scannable during debugging sessions. Client-side only: close the tab and your input is gone. Nothing is transmitted. On HttpStatus.com in the YAML tools section.

Frequently Asked Questions

Does YAML Formatter change the actual data values?

No. YAML Formatter only adjusts whitespace and indentation. All values, keys, and structure remain unchanged.

Can I choose the indent size in YAML Formatter?

Yes — typically 2 spaces, 4 spaces, or tabs. Pick the style that matches your project conventions.

Is my data saved after I close the tab?

No. Client-side tools don't persist input. Once you close or navigate away, your data is gone.

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