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YAML Formatter & Validator

Format, validate, and convert YAML data with syntax checking, JSON conversion, and beautification options.

Size: 0 BLines: 1
YAML Input
Formatted YAML
Quick Examples & Options

Examples

Basic Configuration
name: MyApp version: 1.0.0 database: host: local...
Docker Compose
version: "3.8" services: web: image: nginx ...
Kubernetes Config
apiVersion: v1 kind: ConfigMap metadata: name: a...
CI/CD Pipeline
name: Build on: push: branches: [main] jobs:...

Configuration Options

Choose operation mode

Indentation style

Advanced Options

How to handle string quoting

Maximum line width

How It Works

Privacy First

This yaml formatter & validator processes your data entirely in your browser. No data is uploaded to any server, ensuring complete privacy and security.

Lightning Fast

Instant processing with real-time validation and error detection. No waiting, no delays - just immediate results.

Versatile Use Cases

  • Format configuration files for applications
  • Validate YAML syntax before deployment
  • Convert between YAML and JSON formats

Mobile Friendly

Responsive design that works perfectly on all devices and screen sizes. Touch-friendly interface for mobile users.

Frequently Asked Questions

What is YAML?
YAML (YAML Ain't Markup Language) is a human-readable data serialization standard commonly used for configuration files and data exchange.
Should I use tabs or spaces in YAML?
Always use spaces, never tabs. YAML specification requires spaces for indentation. Most editors can be configured to show whitespace.
How do I handle special characters in YAML?
Use quotes around strings containing special characters like colons, brackets, or quotes. Single quotes preserve literal content, double quotes allow escape sequences.
What's the difference between YAML and JSON?
YAML is more human-readable with significant whitespace and supports comments. JSON is more compact and widely supported. Both represent the same data structures.
Can YAML contain comments?
Yes, YAML supports comments using the # symbol. Comments can be on their own line or at the end of a line with data.

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