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YAML to JSON Converter

Convert YAML into JSON so you can feed config files into tools and APIs that expect JSON. Many pipelines store configuration in YAML for readability but need JSON at runtime, and this converter bridges that gap. It parses common YAML: nested maps, lists, quoted and plain scalars, booleans, numbers, nulls and full-line comments, then emits pretty-printed JSON. It is intended for typical config and data documents rather than every exotic corner of the YAML spec, so it stays fast and predictable. Paste your YAML, click convert, and copy the JSON. Everything is parsed locally in your browser, which means secrets and internal config never leave your machine or get logged by a third party.

How to use YAML to JSON

  1. Paste your YAML config.
  2. Click convert to parse it into JSON.
  3. Copy the JSON output.

Frequently asked questions

Does it handle YAML comments and anchors?

Comments are dropped during parsing since JSON has no comments, and standard YAML scalars, maps and lists are converted into their JSON equivalents.

What YAML structures are supported?

It parses nested maps, lists and scalar values including strings, numbers, booleans and null, producing matching JSON types.

What if my YAML has an indentation error?

Invalid YAML fails to parse and the tool reports the problem instead of producing partial JSON.

What is YAML to JSON?

Convert YAML into JSON so you can feed config files into tools and APIs that expect JSON. Many pipelines store configuration in YAML for readability but need JSON at runtime, and this converter bridges that gap.

Is YAML to JSON free to use?

Yes. YAML to JSON is completely free, with no sign-up and no usage limits.

Does YAML to JSON work in a web browser?

Yes. YAML to JSON runs in any modern web browser. There is nothing to download or install.

Is my data private with YAML to JSON?

Yes. YAML to JSON runs entirely on your device in your browser, so nothing you enter is uploaded to a server.

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