YAML and JSON represent the same data in different styles — YAML is human-friendly for configs, JSON is universal for code and APIs. This tool converts between them in both directions, instantly and locally in your browser.
How to use it
- Paste YAML or JSON.
- Choose the direction.
- The converted output appears.
- Copy it.
About YAML to JSON Converter
Config files live in YAML (Kubernetes, GitHub Actions, Docker Compose, Ansible), but tooling and APIs often need JSON. Converting between them is a frequent chore, and YAML’s whitespace sensitivity makes manual conversion risky. This tool parses one format and emits the other faithfully, so you can move a config into code or pretty-print a dense JSON blob as readable YAML. Everything runs in your browser, keeping infrastructure configs private.
FAQ
Why convert YAML to JSON?
Many tools and APIs only accept JSON, while humans prefer editing YAML. Converting lets you keep both happy.
Does it support nested structures?
Yes. Nested maps and lists convert in both directions.
When should I use YAML instead of JSON?
YAML is easier for humans to read and write, so it is popular for configuration files (CI pipelines, Docker Compose, Kubernetes). JSON is better for data interchange between programs. Converting between them lets you work in whichever format fits the task.