YAML Formatter & Validator - Free Online Tool

About YAML Formatter & Validator

Free online YAML formatter and validator. Paste YAML data to instantly format, validate, and beautify it. Detects syntax errors, improper indentation, and structural issues. Convert between YAML and JSON. All processing happens client-side.

Frequently Asked Questions

How do I format YAML online?

Paste your YAML into the input editor. Lintly.cloud validates the YAML syntax and shows the formatted output with proper indentation.

Can I convert YAML to JSON?

Yes. The YAML formatter parses your YAML and can output it as formatted JSON, making it easy to convert between formats.

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Privacy: This tool runs entirely in your browser. No data is sent to any server. Your input is processed locally using JavaScript and is never stored, logged, or transmitted. Lintly.cloud does not use cookies for tracking and does not require an account.