JSON ↔ YAML Converter

Convert between JSON and YAML formats bidirectionally

Max file size: 10MB. Accepts JSON, YAML, YML, TXT files
Depth level at which arrays become inline (default: 4)
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Free Online JSON to YAML Converter - Bidirectional JSON ↔ YAML Tool

Why Use Our JSON ↔ YAML Converter?

Our JSON to YAML converter is a powerful free online bidirectional tool that allows you to instantly convert between JSON (JavaScript Object Notation) and YAML (YAML Ain't Markup Language) formats. Whether you need to convert JSON to YAML for Kubernetes configs, Docker Compose files, CI/CD pipelines, or convert YAML to JSON for JavaScript applications and APIs, our tool handles both directions seamlessly.

Simply upload your JSON or YAML file, select the conversion direction, then click "Convert" to get your formatted output instantly. Perfect for DevOps engineers, developers, and anyone working with modern configuration files!

Key Features

  • Bidirectional conversion - JSON → YAML and YAML → JSON
  • Custom indentation - Configurable YAML inline level
  • Pretty formatting - Clean, readable output for both formats
  • DevOps optimized - Perfect for config files, CI/CD, Kubernetes
  • Free to use - No registration or subscription required
  • Secure & Private - Files automatically deleted after processing

Lightning Fast

Convert JSON to YAML or vice versa instantly

100% Secure

Your files are processed securely and automatically deleted

Bidirectional

JSON YAML converter works both ways seamlessly

How to Convert JSON to YAML (or YAML to JSON) Online

  1. Select conversion direction - Choose JSON → YAML or YAML → JSON.
  2. Upload your file - Select a JSON, YAML, or YML file (max 10MB).
  3. Adjust settings - Optionally set YAML inline level for JSON to YAML conversion.
  4. Click "Convert" - Our JSON to YAML converter will instantly transform your file.
  5. Download result - Get your converted file ready to use in your projects.

Common Use Cases for JSON ↔ YAML Conversion

Our JSON YAML converter online is perfect for various DevOps and development tasks:

  • Kubernetes: Convert JSON configs to YAML for K8s manifests
  • Docker Compose: Transform JSON to YAML for docker-compose files
  • CI/CD Pipelines: Convert between formats for GitHub Actions, GitLab CI, Jenkins
  • Configuration Files: Migrate configs between JSON and YAML formats
  • API Development: Convert YAML OpenAPI specs to JSON or vice versa
  • Infrastructure as Code: Work with Ansible, Terraform, CloudFormation templates

JSON vs YAML: When to Use Each

Understanding when to use JSON or YAML:

Use JSON when:

  • Working with JavaScript/web applications
  • Need strict parsing and validation
  • Building REST APIs responses
  • Storing data in NoSQL databases

Use YAML when:

  • Creating configuration files (Kubernetes, Docker)
  • Need human-readable, editable configs
  • Working with CI/CD pipelines
  • Building infrastructure as code templates
Pro Tip: When converting JSON to YAML, adjust the "inline level" setting to control how nested arrays and objects are displayed - lower values create more compact YAML, higher values produce more readable, expanded format. For Kubernetes and Docker Compose files, keep the default level 4 for optimal readability. When converting YAML to JSON, ensure your YAML is properly indented (use spaces, not tabs) for best results. Our tool automatically handles UTF-8 encoding and preserves data structure for seamless conversion!

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