JSON to YAML Converter
Convert JSON to YAML instantly in your browser — free online JSON to YAML converter.
YAML result
Free JSON to YAML Converter
Paste any JSON document into the field above and click Convert to YAML to get the equivalent YAML output. If the JSON is invalid, an error message will tell you exactly what went wrong. This free online JSON to YAML converter works entirely in your browser — no data is sent to any server.
What Is YAML?
YAML (YAML Ain't Markup Language) is a human-readable data serialization format designed to be intuitive and easy to write. It is the standard format for configuration files in tools like Docker Compose, Kubernetes, Ansible, GitHub Actions, and Helm charts. Compared to JSON, YAML is more concise for configuration because it omits braces, brackets, and quotes in most cases, making it easier to read and edit by hand.
Why Convert JSON to YAML?
Many developer tools and DevOps platforms expect YAML for configuration, but APIs and databases often return JSON. Converting JSON to YAML lets you quickly create configuration files from API responses, migrate data between formats, and produce human-readable documentation. The conversion is also useful when you need to share data structures in a format that non-technical stakeholders can understand.
How to Use This JSON to YAML Converter
- Paste your JSON document into the input field — objects, arrays, or any valid JSON.
- Click Convert to YAML to get the equivalent YAML output.
- Copy the result with the copy button and use it in your project.
Common Uses
- Converting JSON API responses to YAML for Docker Compose or Kubernetes configs
- Creating Ansible playbooks from JSON data structures
- Generating GitHub Actions workflow files from JSON templates
- Migrating API response formats to human-readable YAML configuration
- Producing YAML documentation from JSON schema definitions