YAML Formatter
Format, validate, and beautify YAML data with syntax highlighting, customizable indentation, and real-time validation. Upload files or paste YAML directly.
100% Client-side
Real-time Formatting
Syntax Validation
File Upload Support
Input YAML
Formatted YAML
Enter YAML to see formatted output...
YAML Formatter Features
Customizable Formatting
Configure indentation size, sort keys alphabetically, and control output formatting options.
Real-time Validation
Instant syntax validation with detailed error messages and line-by-line feedback.
File Support
Upload YAML files directly, process large files up to 100MB, and download formatted results.
Visual Enhancements
Optional line numbers, syntax highlighting, and clear visual indicators for validation status.
Privacy Focused
All processing happens locally in your browser. No data is sent to external servers.
Export Options
Copy formatted YAML to clipboard or download as file with preserved formatting.