How do I format YAML?

Paste YAML above, pick an indent size, and copy the pretty-printed output when parsing succeeds.

How do I beautify YAML?

Beautifying YAML means consistent indentation and clear nesting. This formatter rebuilds the document after a successful parse.

Yes for valid documents. Invalid YAML shows an error instead of partial output.

Indentation defines parent and child relationships. Wrong spaces change structure or make the file invalid.

Yes. This free formatter works in your browser with no install.

A free online tool that pretty-prints YAML for developers and students.

It parses your text, then dumps a consistently indented document using your chosen spacing.

Paste input, select indent, and copy the formatted output panel.

Yes. It is free with no sign-up.

Yes. It works on mobile browsers.

Free YAML Formatter Online, Beautify YAML | Binary Tech