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Tools > YAML Formatter

YAML Formatter

Format, validate and prettify YAML documents

Input (YAML)
Indent::

🔒 This tool runs in your browser only. No input data is sent to any server.

About YAML Formatter / Validator

YAML Formatter cleans up and beautifies YAML documents with consistent indentation and formatting. Validates YAML syntax and reports errors to help fix configuration files. Essential for working with Docker Compose, Kubernetes manifests, CI/CD pipelines, and other YAML-based configs.

How to Use

  1. Paste your YAML content into the input area.
  2. Click Format to beautify with consistent indentation.
  3. Review any syntax errors highlighted in the output.
  4. Copy the formatted YAML.

Key Features

  • Format YAML with consistent indentation
  • Validate YAML syntax with detailed error messages
  • Handle complex nested structures and multi-line strings
  • Support for common YAML use cases (Docker, K8s, CI/CD)