YAML Formatter & Beautifier
Format, standardize indentation, and clean up YAML documents and configuration files.
How It Works & Processing Standards
Format, standardize indentation, and clean up YAML documents and configuration files.
Your input data is never sent to any server and is securely processed on your device.
Current Limits
- Desktop max file size: 50MB
- Mobile max file size: 20MB
YAML Formatter & Beautifier is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.
How to Use YAML Formatter & Beautifier
- 1Paste YAMLEnter unformatted or messy YAML text.
- 2FormatClean up indentation and list bullet styling.
- 3Copy OutputCopy the standardized, error-free YAML file.
Examples
Clean Indentation
Input: services:
web:
image: nginx:latest
ports:
- "80:80"
Result: services:
web:
image: nginx:latest
ports:
- "80:80"
Common Use Cases
- Beautifying Kubernetes deployment YAMLs and Helm values
- Standardizing GitHub Actions or GitLab CI configuration files
- Cleaning up OpenAPI/Swagger specification documents
Frequently Asked Questions (FAQ)
Are tabs converted to spaces?
Yes, YAML specification strictly disallows tabs; all indentation tabs are automatically converted to standard spaces.