Paste your YAML into a browser-based YAML to JSON converter and it parses the indentation-based structure and outputs the equivalent JSON. The conversion runs on your device, which matters because YAML config files often hold secrets, and the JSON output is ready for an API, a validator or any tool that expects JSON.
YAML expresses nesting with indentation, lists with dashes, and key-value pairs with colons. A converter parses those rules, including nested maps, sequences and comments, and builds the same object graph that a JSON document would, then serializes it as JSON. The output carries exactly the data your YAML described, just in the format that most programming languages and APIs consume most easily.
YAML is the native format for a lot of deployment config, and those files frequently contain database URLs, API keys and other credentials. Pasting a real config into a site that converts it on its servers hands over those secrets. A client-side converter reads and transforms the YAML in your browser and transmits nothing, so you can turn a live config into JSON for debugging or validation without exposing it.
Yes. Nested maps, lists and scalars are parsed and reflected in the JSON structure.
YAML comments are not part of the data, so they are dropped when converting to JSON, which has no comment syntax.
No. The conversion runs entirely in your browser.