JSON ↔ YAML

Convert data between JSON and YAML formats.

Processed on your device. Inputs are not uploaded.

Operation

InputOutput

Runs locally in a background worker

How to use

Paste JSON or YAML and select the target format. Parsing happens in a dedicated worker.

Turn a YAML configuration into JSON for a tool that requires it.

YAML alias expansion is limited. Custom YAML tags are not supported.

Your input stays in browser memory while you use this page. It is not uploaded or saved. Downloads are saved only when you choose to save them.