Input (YAML or JSON)
Output
About YAML Formatter
YAML Formatter helps developers write clean, syntax-compliant YAML configurations. Since YAML is extremely sensitive to indentation and whitespace, this tool helps debug syntax issues, prettify file structure, and ensure your config files load correctly.
How to Use YAML Formatter
- Enter your YAML code in the input area by pasting or typing.
- Select your indentation preferences (2 spaces, 4 spaces, or tabs).
- Click the "Format" button to inspect and prettify.
- Copy the output or toggle "Minify" if you want to compress your YAML config.
Frequently Asked Questions
Why is YAML indentation important?
YAML relies on whitespace and indentation rather than brackets or tags to represent structure. Misaligned spaces can cause parsing errors in CI/CD pipelines, Kubernetes manifests, or server configuration loaders.
Can I validate my YAML files here?
Yes, the YAML formatter detects indentation mismatches, key duplicates, and other syntax errors in real-time, providing immediate error logs.
Does this formatter run on a server?
No, all parsing, validation, and formatting occur inside your browser using JavaScript. No files or code are uploaded, ensuring maximum security.