Back to all tools

JSON to YAML Converter Online

Convert JSON data to YAML format with customizable indentation, flow style, and quoting options. Free online tool with privacy-first design.

json
yaml
converter
formatter
data transformation

Conversion Options

Customize Output

FORMATTING

STRUCTURE

Alphabetically sort object keys

Use compact format

VALIDATION

Validate input automatically

About JSON to YAML Converter

This free online JSON to YAML converter transforms JSON data into YAML format with advanced formatting options and customizable output styles. Perfect for configuration files, DevOps workflows, and API documentation.

Key Features

  • JSON to YAML conversion with clean, readable output formatting
  • Customizable indentation options with 2, 4, or 8 space settings
  • Flow style options for block style (readable) or flow style (compact)
  • String quoting control for optimal YAML output configuration
  • Alphabetical key sorting for consistent and organized output
  • Real-time JSON syntax validation with detailed error messages
  • File upload and download capabilities for batch processing
  • Example templates for quick-start with pre-loaded JSON samples

Use Cases

  • Configuration file conversion from JSON to YAML for better readability
  • DevOps and CI/CD pipeline transformation for Docker, Kubernetes workflows
  • API documentation conversion of JSON examples to YAML for OpenAPI specs
  • Data migration for transforming JSON data to YAML-based systems
  • Infrastructure as Code conversion for Ansible, CloudFormation templates
  • Application configuration transformation for better maintainability

Supported Formats

JSON (JavaScript Object Notation)
YAML (YAML Ain't Markup Language)
Block Style YAML
Flow Style YAML
Docker Compose Files
Kubernetes Configurations

Related Keywords

json to yaml
yaml converter
json converter
yaml generator
config converter
devops tools
kubernetes yaml
docker compose
yaml formatter
configuration converter

YAML Formatting Tip

YAML is indentation-sensitive, so consistent spacing is crucial. Use the same indentation level throughout your file and avoid mixing tabs and spaces. Most tools prefer 2 or 4 spaces for indentation.

Privacy & Security

All processing happens locally in your browser. Your data never leaves your computer, ensuring complete privacy and security.

Related Tools

Convert JSON data to XML format with proper formatting and structure.

json
xml

Transform XML documents into JSON objects quickly and accurately.

xml
json

Free online tool to convert markdown text to html. Simple, fast, and secure - no registration required. Process your data locally for complete privacy.

markdown
html

More Tools You Might Like

Test and validate API keys for OpenAI, Anthropic, Google AI, and other services. Secure validation without storing keys on our servers.
api key
validator
openai
anthropic
google ai
authentication
testing
Free online tool to encode or decode base64 data. Fast, private, and easy to use with no login required. All processing happens in your browser.
base64
encoder
decoder
Professional color picker tool with multiple format support, palette management, and advanced color manipulation features. Perfect for designers and developers.
color picker
hex color
rgb color
color tool
color generator
color codes