JSON to YAML Converter
Convert JSON to clean, readable YAML. Free and private: runs in your browser.
Paste JSON to get YAML for Kubernetes, Docker Compose, GitHub Actions or OpenAPI.
Runs entirely in your browser. Nothing you paste is uploaded or stored.
Use cases
- Move data between APIs, config files and databases.
- Bootstrap models from a sample API response.
- Save time on repetitive hand-written boilerplate.
Frequently asked questions
Is all JSON valid YAML?
Yes. YAML 1.2 is a superset of JSON, but block-style YAML (what this outputs) is much easier for people to read and edit.
Is the JSON to YAML Converter free?
Yes. It is free with no sign-up, and it runs entirely in your browser, so your input is never uploaded or stored.
Should I use the generated output as-is?
Treat it as a strong starting point. Types are inferred from your sample, so review nullability, naming and edge cases before committing it.
Related tools
Checking one snippet is a start. Scan your whole repository for free with CodeInspector.