How to use YAML Beautifier
- Paste the YAML you need to format into the input box.
- Use the Indent setting to control the result.
- Watch the output update instantly while you adjust the YAML.
- When it looks right, Copy to save it.
About this tool
YAML Beautifier is a static, client-side tool with no backend. YAML Beautifier processes YAML in your browser, converting or validating the document you paste locally.
Nothing about your file is uploaded. It behaves the same on desktop and mobile, with nothing stored remotely.
Frequently asked questions
What is YAML Beautifier for?
YAML Beautifier runs entirely on your device: add your input using the Indent control, and it formats it locally in real time.
Is YAML Beautifier free to use?
Yes — YAML Beautifier is completely free, with no usage limits.
Where is my data processed by YAML Beautifier?
Entirely in your browser — YAML Beautifier keeps your data on your own machine and sends nothing anywhere.
How does YAML Beautifier handle YAML indentation errors?
YAML Beautifier reports the problem inline so you can fix the indentation, all within your browser.
Does YAML Beautifier work offline?
Once the page has loaded, YAML Beautifier keeps working with no network connection.