YAML to JSON Converter
Convert simple YAML snippets into JSON without sending configuration data to a server.
JSON output
Browser-only parser supports simple key-value YAML. All conversion happens locally in your browser. The value you enter is not sent to a server, logged, stored, or transmitted.
How to use this tool
Enter the required values in the labeled fields. Results update in your browser and are announced for assistive technologies. Use realistic measurements and verify important outcomes before acting on them.
Formula or logic
The initial browser-only parser supports simple key: value YAML and outputs formatted JSON.
Example calculation
Example: name: "Box" becomes {"name":"Box"}.
Frequently asked questions
Does this support complex YAML?
Not yet. The browser-only version supports simple key-value YAML safely in the browser.
Is pasted YAML uploaded?
No. It stays in your browser.
Related tools
JSON to YAML Converter
Convert JSON objects, arrays and values into readable YAML text locally.
JSON to CSV Converter
Convert a JSON array of objects to CSV with optional header row and delimiter.
CSV to JSON Converter
Convert CSV text into a JSON array locally with headers, delimiters, trimming and typed values.