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YAML Formatter

Normalize and re-indent YAML.

Runs locally in your browser. Your data is never uploaded.

What is the YAML Formatter?

Normalize and re-indent YAML. The YAML Formatter is a free online tool that works instantly in your browser — no installation, no signup and nothing to upload. It sits alongside other YAML tools on DevNibble such as YAML to JSON, YAML Minifier.

How to use the YAML Formatter

  1. Paste or type your data into the input panel.
  2. Adjust the formatting options if you need to.
  3. Copy or download the formatted result.

Features

  • Runs 100% in your browser — your data is never uploaded or stored.
  • Free forever, with no account, no ads and no tracking.
  • Copy or download your result in one click.
  • Fast and responsive on desktop, tablet and mobile.

Frequently asked questions

Is the YAML Formatter free to use?

Yes — YAML Formatter is completely free with no sign-up, no ads and no limit on how many times you can use it.

Is my data private when I use the YAML Formatter?

Everything happens locally in your browser. Your input is never sent to a server, which makes YAML Formatter safe to use with private or sensitive data.

How do I use the YAML Formatter?

Paste your code or data into the input box and the formatted, indented result appears instantly. Use the Copy or Download button to save it.

Do I need to install anything to use the YAML Formatter?

No installation and no account required — YAML Formatter runs entirely in your web browser on desktop and mobile. Normalize and re-indent YAML.