YAML to JSON

Transform YAML content into JSON objects and arrays.

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About YAML to JSON

Parses YAML — nested maps, scalar lists and lists of objects — and emits JSON.

  • 1

    A hand-written parser covering the subset configuration files actually use: nested maps, scalar lists, lists of maps (`- name: a`), inline `[]` and `{}`, and `#` comments (including `#` inside quotes, which is not treated as a comment).

  • 2

    Typing is literal-only: lowercase `true` / `false`, `null` and `~`, plus anything `Number()` accepts (`42`, `1.5`, `010` → 10, `0x10` → 16, `1e3` → 1000). `yes`, `no`, `True` and `on` stay strings — so it does not fall into the YAML 1.1 trap of reading `no` as a boolean.

  • 3

    Quotes protect strings: `"123"` comes out as the string `123` (the quotes are stripped), which is how you keep a value like `010` intact.

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