YAML Formatter

The YAML Formatter tool analyzes your YAML code and automatically applies proper formatting conventions. It fixes indentation issues, ensures consistent spacing, properly aligns key-value pairs, and validates your syntax against YAML specifications.

Simply paste your unformatted YAML into the input field, click the "Format" button, and the tool instantly generates properly formatted code you can copy or download. The formatter also detects and highlights syntax errors to help quickly identify and fix issues in your YAML documents.

Whether you're a developer working with configuration files, a DevOps engineer managing infrastructure as code, or anyone who needs to work with YAML data, our formatter saves you time and helps prevent the frustrating errors that come from improperly formatted YAML.

YAML (YAML Ain't Markup Language) is a human-readable data serialization format that is often used for configuration files and data exchange between languages with different data structures. It is designed to be easily readable and writable by humans, making it a popular choice for configuration files, data storage, and messaging.

YAML is commonly used for:

• Configuration files for applications and services
• Docker Compose files for container orchestration
• Kubernetes deployment manifests
• CI/CD pipeline configurations (GitHub Actions, GitLab CI, etc.)
• Ansible playbooks for automation
• Data exchange between different programming languages

YAML and XML are both data serialization formats, but they have different syntax and use cases:

• YAML is designed to be more human-readable and uses indentation to represent structure, making it easier to read and write for configuration files.
• XML uses a tag-based structure similar to HTML, which can be more verbose and less readable for complex data structures.
• YAML is often preferred for configuration files due to its simplicity, while XML is commonly used in web services and document storage.

If you need to format XML, you can use our XML Formatter tool.

YAML and JSON are both data serialization formats, but they have key differences:

• YAML is more human-readable and uses indentation to represent structure, making it ideal for configuration files.
• JSON uses brackets and braces, making it more compact but less readable for complex configurations.
• YAML supports comments, while JSON does not.
• YAML is often used for config files, while JSON is preferred for APIs and data exchange.

If you need to format JSON, you can use our JSON Formatter tool.

YAML indentation errors are common and can be fixed by ensuring consistent spacing. Use only spaces (not tabs), and maintain the same indentation level for items at the same hierarchy level. Our formatter automatically corrects indentation issues and highlights any remaining syntax errors.

Yes, our YAML formatter is designed to handle large and complex YAML files efficiently. Whether you're working with extensive configuration files, large datasets, or complex nested structures, the tool can process them quickly while maintaining performance.

Yes, you can minify YAML using our tool. Minifying removes unnecessary whitespace, comments and indentation, making the file smaller and more compact. This is especially useful for reducing file size in production environments.

Yes, all YAML formatting and validation is performed locally in your browser. Your data is never uploaded to any server or stored anywhere, ensuring complete privacy and security for your configuration files and sensitive data.