YAML Formatter & Validator
Format, validate, and beautify YAML instantly. Convert YAML to JSON, normalize indentation, and detect errors — all in your browser.
About This Tool
- Real-time YAML validation with error messages
- Beautify YAML with normalized 2-space indentation
- Convert YAML to JSON with one click
- Completely free with no registration required
Frequently Asked Questions
YAML formatting normalizes indentation and structure of YAML data, making it consistent and easy to read. Proper formatting uses 2-space indentation and clean key-value alignment.
YAML uses indentation instead of braces and brackets, making it more human-readable. JSON is more widely supported in APIs and programming languages. This tool lets you convert between both formats easily.
The validator checks your YAML for proper indentation, valid key-value pairs, and correct structure. If errors are found, it displays the exact issue to help you fix it quickly.
Yes, completely free with no registration. Format, validate, and convert as much YAML as you need.