📄 YAML Parser & Validator

Parse, validate, and format YAML files with real-time syntax checking

YAML Editor

YAML Input Ready
Output Waiting
Your parsed output will appear here...

About YAML Parser & Validator

YAML (YAML Ain't Markup Language) is a human-readable data serialization format commonly used for configuration files, data exchange between programming languages, and storing structured data. Our YAML Parser & Validator helps you validate YAML syntax, parse YAML files, and convert them to JSON format.

Key Features

  • Real-time Validation: Instantly check your YAML syntax for errors
  • YAML to JSON Conversion: Convert YAML data to JSON format easily
  • Syntax Highlighting: Clear error messages with line numbers
  • Format YAML: Automatically format and beautify your YAML code
  • Browser-Based: No installation required, works entirely in your browser
  • Privacy Protected: All parsing happens locally, your data stays private

How to Use the YAML Parser

  1. Paste your YAML code into the input editor or click "Load Example"
  2. Click "Parse & Validate" to check for syntax errors
  3. Use "Convert to JSON" to see the JSON representation
  4. Use "Format YAML" to auto-format your YAML code
  5. View validation results and error messages in the output panel

Common YAML Use Cases

  • Configuration files for applications (Docker, Kubernetes, CI/CD)
  • Data serialization and storage
  • API response and request formats
  • Infrastructure as Code (IaC) definitions
  • Game development configuration files
  • Ansible playbooks and automation scripts

YAML Syntax Basics

  • Indentation: YAML uses spaces (not tabs) for indentation
  • Key-Value Pairs: Written as key: value
  • Lists: Items prefixed with - (dash and space)
  • Comments: Start with # character
  • Multi-line: Use | for literal or > for folded
;