Drop your YAML file here
or click to browse files
Supports .yaml, .yml files up to 5MBThe URL must allow cross-origin requests (CORS)
View, format, and validate YAML files online. Features syntax highlighting, tree view navigation, and comprehensive error detection.
or click to browse files
Supports .yaml, .yml files up to 5MBThe URL must allow cross-origin requests (CORS)
Automatically validates YAML syntax and provides detailed error messages with line numbers.
Color-coded output makes it easy to distinguish keys, values, strings, numbers, and comments.
Expand and collapse nested objects and arrays for easy navigation of complex structures.
Instantly convert your YAML to JSON format for use with APIs and other tools.
YAML (YAML Ain't Markup Language) is a human-readable data serialization format commonly used for configuration files. It's popular in DevOps tools like Docker, Kubernetes, Ansible, and CI/CD pipelines.
# Configuration file
server:
host: localhost
port: 8080
ssl: true
database:
name: myapp
users:
- admin
- guestThis viewer supports .yaml and .yml file extensions. You can also paste YAML content directly or load from a URL.
Yes! All YAML parsing happens directly in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.
YAML is a superset of JSON that's more human-readable. YAML uses indentation instead of brackets, supports comments, and has more flexible syntax. JSON is more widely supported by programming languages and APIs.
Yes! After parsing your YAML, click the "As JSON" tab to see the equivalent JSON representation. You can then copy or download it.
YAML is sensitive to indentation and formatting. Common errors include mixing tabs and spaces, incorrect indentation levels, missing colons after keys, or unquoted special characters. The error message will show the line number where the problem occurred.