In-browser tool

JSON to YAML

Convert JSON to clean, readable YAML — privately in your browser.

Everything runs in your browser — your input is never uploaded.

How it works

Type or paste your input

Get the result instantly

Copy the result

Is the YAML valid?

Yes — strings that could be misread (numbers, true/false, colons, leading symbols) are quoted automatically.

Is my file uploaded to a server?

No. This tool runs entirely in your browser. You can open your browser's network tab and verify no request carries your file.