YAML Formatter

Clean up and validate YAML, instantly in your browser.

How to use YAML Formatter

  1. Paste or upload your YAML data.
  2. Click Format YAML.
  3. Copy or download the YAML result.

YAML Formatter

Parse and re-emit your YAML with consistent two-space indentation. Invalid YAML is reported so you can fix it. Everything runs locally in your browser.

Is my data uploaded?
No. The conversion runs entirely in your browser using JavaScript.
Is there a size limit?
Only your device's memory; there are no server-side limits.

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