TULKIT

JSON to YAML Converter - Convert JSON to YAML Online Free

Convert JSON data to YAML format instantly. YAML (YAML Ain't Markup Language) is more human-readable and commonly used for configuration files, Docker Compose, Kubernetes, and CI/CD pipelines.

Why Convert JSON to YAML?

  • Human Readable: YAML is easier to read and edit
  • Config Files: Standard for Docker, Kubernetes, Ansible
  • Less Verbose: No brackets or quotes needed
  • Comments Support: YAML allows inline comments

Common Use Cases

🐳 Docker Compose

Create docker-compose.yml from JSON configs.

☸️ Kubernetes

Generate K8s manifests and configs.

🔧 CI/CD Pipelines

Convert configs for GitHub Actions, GitLab CI.

📦 Package Configs

Create YAML configs for various tools.

How to Use This Tool

  1. Paste JSON: Enter your JSON data in the input field.
  2. Set Indent: Choose 2 or 4 spaces for YAML indentation.
  3. Convert: Click to generate clean, readable YAML output.

💡 Tip: YAML uses indentation for structure - 2 spaces is the most common standard.

JSON to YAML Converter

JSON vs YAML Comparison

JSON Format

{
  "database": {
    "host": "localhost",
    "port": 5432,
    "credentials": {
      "username": "admin",
      "password": "secret"
    }
  }
}

YAML Format

database:
  host: localhost
  port: 5432
  credentials:
    username: admin
    password: secret

YAML Features

  • Indentation-based: Uses spaces (not tabs) for structure
  • No quotes needed: Simple strings don't require quotes
  • Arrays: Can use - item syntax or inline [item1, item2]
  • Comments: Lines starting with # are comments
  • Multiline strings: Support for block scalars with | or >

Common YAML Use Cases

  • Docker Compose files (docker-compose.yml)
  • Kubernetes resource definitions
  • GitHub Actions workflows
  • Ansible playbooks
  • CI/CD pipeline configurations
  • Application configuration files

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