Format and Validate
YAML Formatter
Format and validate YAML text in your browser.
Local processing
This tool is designed to run in your browser. Do not paste secrets or production credentials into any online tool.
How to use this tool
Paste your input, choose an action, review the result, then copy the output when it looks correct. Invalid input shows a readable error instead of silently changing your data.
Example
Input
name: Ada
roles:
- developer Output
name: Ada
roles:
- developer
FAQ
Does this validate YAML syntax?
Yes. Invalid YAML shows a readable parse error.
Can it convert YAML to JSON?
The MVP normalizes YAML output; JSON conversion can be added after launch.
Is YAML uploaded?
No. Processing happens locally in the browser.