JSON and YAML Converter
Turn YAML into JSON and JSON into YAML in your browser. It follows YAML 1.2, fills in aliases, reads files with several documents, and says where a mistake is.
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Paste YAML or JSON above and the result appears here, converted in your browser.
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How to use the JSON and YAML Converter
Choose YAML to JSON or JSON to YAML.
Paste your data, or load the example.
Pick the indentation, and for JSON to YAML choose whether to sort the keys.
Copy the result, or download it as a file.
Questions about the JSON and YAML Converter
Paste the YAML into the YAML box and the JSON appears as you type. Choose the indentation you want, and copy or download the result.
The tool says what is wrong and the line and column where it was found. It also rejects a key that appears twice in the same map, instead of quietly keeping one.
It follows YAML 1.2. That means words such as yes, no, on, and off stay text, instead of turning into true and false as they do in older YAML 1.1 readers.
A YAML file can hold several documents separated by three dashes. They become a JSON list, with one item for each document.