YAML Formatter
Beautify and validate YAML data
What is YAML Formatter?
YAML Formatter beautifies, validates, and minifies YAML configuration files with proper indentation and syntax checking.
When to use this tool
- Cleaning up Kubernetes or Docker Compose YAML files
- Validating YAML syntax before deployment
- Fixing indentation errors in CI/CD pipeline configs
- Converting between YAML and JSON (via copy-paste)
How it works
Parses YAML using a strict parser that enforces correct indentation (2-space default), validates against YAML 1.2 spec, and reports errors with line numbers. Supports all YAML types: scalars, sequences, mappings, anchors, and aliases.
About YAML Formatter
Beautify and validate YAML data It runs entirely in your browser — no files are uploaded to any server, ensuring complete privacy and instant results.
- •Test and debug regular expressions
- •Parse cron expressions in plain English
- •Format SQL, XML, and YAML
- •Convert between number bases instantly
Last updated: 2025-01-15
FAQ
Beautify and validate YAML data
Yes, completely free. No signup required.
Yes. Runs entirely in your browser, no files uploaded.
Yes, works on any device with a modern browser.
No, everything runs in your browser.