YAML Tools

Convert between YAML and JSON, validate YAML syntax, and format YAML files. Complete YAML toolkit for developers.

What is YAML?

YAML (YAML Ain't Markup Language) is a human-readable data serialization format commonly used for configuration files and data exchange. YAML is designed to be easy to read and write, using indentation and minimal syntax. It's particularly popular in DevOps tools like Docker, Kubernetes, Ansible, and CI/CD pipelines because of its clean, readable syntax that's less verbose than JSON or XML.

Our YAML tools provide comprehensive functionality including bidirectional conversion between YAML and JSON formats, syntax validation with error detection, automatic formatting with proper indentation, and a complete syntax guide. All processing is done client-side for maximum privacy and security.

YAML Tools

YAML Syntax Guide

Key-Value Pairs
key: value
name: John Doe
age: 30
Lists
fruits:
  - Apple
  - Banana
  - Orange
Nested Objects
person:
  name: John
  address:
    city: NYC
Multiline Strings
description: |
  This is a
  multiline string

What is YAML?

YAML (YAML Ain't Markup Language) is a human-readable data serialization format commonly used for configuration files.

Common Uses

  • • Docker Compose
  • • Kubernetes configs
  • • CI/CD pipelines
  • • Ansible playbooks

YAML Tips

  • • Indentation is crucial
  • • Use 2 spaces (not tabs)
  • • Quotes are usually optional
  • • Case-sensitive

Where is YAML Used?

  • Docker & Kubernetes: docker-compose.yml and Kubernetes manifests use YAML for container and deployment configurations
  • CI/CD Pipelines: GitHub Actions, GitLab CI, CircleCI, and other CI/CD tools use YAML for workflow definitions
  • Ansible Playbooks: Infrastructure as Code (IaC) automation uses YAML for defining server configurations and tasks
  • Configuration Management: Application configs, especially in Python, Ruby, and Node.js projects use YAML files
  • Swagger/OpenAPI: API documentation and specifications are often written in YAML format
  • Cloud Platforms: AWS CloudFormation, Azure Resource Manager templates support YAML configurations
  • Static Site Generators: Jekyll, Hugo, and other SSGs use YAML for front matter and configuration
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