JSON to YAML Converter

JSON to YAML Converter turns any JSON document into clean, correctly indented YAML in a single click. YAML has become the default configuration language for tools like Docker Compose, Kubernetes, GitHub Actions, and Ansible, so developers frequently need to move data between the two formats — this tool handles that conversion instantly, in your browser, with correct handling of nested objects, arrays, arrays of objects, and the string-quoting rules YAML requires to avoid ambiguous types.

Because YAML is technically a superset of JSON, no information is lost in the conversion — every object, array, string, number, boolean, and null value in your source JSON maps directly to an equivalent YAML construct, just written with indentation instead of braces and brackets.

• Accurate block-style YAML: Proper indentation, nested mappings, and sequences that match real-world config file conventions.
• Smart quoting: Strings that could be misread as booleans, numbers, or null are automatically quoted; everything else stays clean and unquoted.
• Arrays of objects handled correctly: Produces the standard "- key: value" list-item pattern used in Kubernetes manifests and CI/CD pipelines.
• Instant, in-browser conversion: No upload, no server round trip, no account.
• Copy or download: Grab the YAML with one click or download it as a .yaml file.

1. Paste your JSON into the input box, or click "Load Sample" to see an example.
2. Click Convert to generate the YAML output.
3. Review the result — nested structures and arrays are indented automatically.
4. Copy the YAML to your clipboard or download it as a .yaml file.

Example 1: A JSON config like {"name":"api","port":8080,"debug":false} converts to three clean YAML lines: name: api, port: 8080, debug: false — no quotes needed since none of the values are ambiguous.

Example 2: A JSON array of objects such as a list of environment variables converts to YAML's standard list format, with each item introduced by a dash and its keys indented beneath it, exactly like a Kubernetes env: block.

• Faster config migrations: Move JSON API responses or data exports straight into YAML-based config files.
• Fewer manual formatting mistakes: Correct indentation and quoting are generated automatically.
• No data loss: Every JSON value type maps cleanly to its YAML equivalent.
• 100% private: Nothing is uploaded — conversion runs locally in your browser.