YAML Formatter
Input
Output
Start typing to format your YAML
Your formatted YAML will appear here
About YAML Formatter
Our free online YAML Formatter is an essential tool for DevOps engineers and developers working with configuration files. It helps you beautify, validate, and format YAML documents instantly. Perfect for Docker, Kubernetes, Ansible, CI/CD pipelines, and any YAML configuration.
Key Features
Real-time Formatting
See your YAML formatted instantly with live validation as you type.
Syntax Validation
Automatically detects YAML syntax errors including indentation issues.
Beautify & Minify
Switch between readable indented format and compact JSON output.
100% Client-side
All YAML processing happens in your browser - your configs stay private.
Copy & Download
Easily copy formatted YAML or download as a .yaml file.
JSON Conversion
YAML is parsed to JSON internally, ensuring valid structure.
How to Use
- 1Paste your YAML configuration into the input area on the left.
- 2The tool automatically formats and validates your YAML in real-time.
- 3Use 'Beautify' for readable format or 'Minify' for compact output.
- 4Check the status badge to verify your YAML is valid.
- 5Click 'Copy' or 'Download' to save your formatted YAML.
Pro Tips
- 💡YAML is indentation-sensitive - use consistent spacing (2 or 4 spaces, never tabs).
- 💡Use the minify option to convert YAML to compact JSON format.
- 💡Always validate your YAML before deploying to production environments.
- 💡Quote strings containing special characters like colons or brackets.