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YAML Formatter

100% Client-Side Private — Zero Server Uploads

Format, validate, and convert bi-directionally between YAML and JSON. 100% private client-side.

How do I use YAML Formatter?

1

Paste your raw YAML or JSON document into the input editor.

2

Choose your formatting options (indentation, sort keys) in the Right Control Panel.

3

Click 'Format YAML Now' or convert between YAML ↔ JSON.

4

Copy or download your formatted result.

What features does YAML Formatter offer?

Bi-directional conversion between YAML and JSON.

Automatic key sorting option for consistent document ordering.

Syntax validation with line & column position markers.

100% Client-Side execution for complete data privacy.

Configurable indent size (2 or 4 spaces).

Frequently Asked Questions about YAML Formatter

Can I convert YAML to JSON using this tool?

Yes! Simply paste your YAML into the input box and click the 'YAML → JSON' button in the Control Panel.

Is my YAML data sent to any server?

No. All parsing and formatting occur 100% locally in your browser session. Your configuration files are never uploaded.

Why should I sort keys in YAML?

Sorting object keys alphabetically makes configuration files easier to read, diff, and maintain in version control like Git.