YAML Formatter & Validator
Free online YAML formatter and validator. Format, beautify, and validate YAML files instantly with syntax highlighting. Convert between YAML and JSON. Privacy-focused, all processing in your browser.
What is a YAML Formatter?
A YAML formatter is a tool that beautifies and validates YAML files by ensuring proper indentation, syntax, and structure. It helps make YAML configuration files more readable.
Features
- Format and beautify YAML with customizable indentation
- Validate YAML syntax with detailed error messages
- Convert YAML to JSON and vice versa
- Syntax highlighting for better readability
- Privacy-first: All processing in your browser
- Free forever with no limitations
How to Use the YAML Formatter
- Paste your YAML data into the input editor
- Click "Format" to beautify your YAML
- Click "Validate" to check for syntax errors
- Use "YAML → JSON" to convert to JSON format
- Use "JSON → YAML" to convert JSON to YAML
- Copy the formatted output with one click
FAQ
What is a YAML formatter?
A YAML formatter is a tool that beautifies and validates YAML files by ensuring proper indentation, syntax, and structure. It helps make YAML configuration files more readable.
Is this YAML formatter free?
Yes, completely free with unlimited usage. No registration or payment required.
Can I validate YAML syntax?
Yes, our YAML formatter includes a validator that checks for syntax errors, indentation issues, and structural problems common in YAML files.
Is my YAML data safe?
Absolutely. All YAML processing happens in your browser. No data is sent to any server, ensuring your configuration files remain private.