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YAML Validator

A real-time YAML validator and formatter. Paste your YAML content below to validate syntax and see the parsed structure.

How to Use

  1. Paste YAML: Enter your YAML content in the text area below
  2. Real-time Validation: See immediate feedback on syntax errors
  3. Parsed Output: View the parsed JSON structure of your YAML
Enter YAML content above to see the parsed result...

Features

  • Real-time Validation: Instant feedback as you type
  • Syntax Highlighting: Clear error messages for invalid YAML
  • JSON Output: See the parsed structure in JSON format
  • Responsive Design: Works on desktop and mobile devices

Privacy & Security

🔒 100% Client-side: All processing happens in your browser. No data is sent to any server or saved anywhere.

Common YAML Syntax

# Basic structure
name: value
number: 42
boolean: true

# Lists
fruits:
  - apple
  - banana
  - orange

# Nested objects
person:
  name: John Doe
  age: 30
  address:
    street: 123 Main St
    city: Anytown
    zip: 12345

# Multi-line strings
description: |
  This is a multi-line
  string that preserves
  line breaks