YAML is what a lot of config files want, and your data is often JSON. This page converts between them: paste JSON and run json to yaml in your browser, free, with nesting and types preserved. It is a json to yaml converter that keeps everything on your device.
Same data, friendlier for configs.
Paste a JSON object or array and the tool rewrites it as YAML, keeping nesting, arrays, and types in place. YAML is easier to read and edit by hand, which is why so many tools use it for configuration. The output is standards-compliant, so it drops straight into a config file.
Most people arrive looking for json to yaml or a json to yaml converter, and some search for a general json converter or a quick yaml format online pass. Either way, the result is clean, indented YAML produced entirely in your browser.
The reverse direction.
Configs often need to become data again. When you have YAML and your code wants JSON, the YAML to JSON tool covers yaml to json and is the yaml to json converter for that trip. Keep both pages handy and you can move between a human-friendly config and machine-friendly JSON without retyping anything.
Convert here, edit in your editor.
This page converts rather than edits. The YAML it returns is tidy enough to paste anywhere, but there is no separate yaml editor online on the site yet. For real editing, drop the output into your code editor, which gives you syntax highlighting and validation as you work.
Stop reading. Start using.
That is everything worth saying. Open the tool and try it on something real. You will know within a minute whether it belongs in your kit.
If you found this useful, the other Developer guides are written in the same voice. We keep them short, practical, and rooted in real work.
mytoolstudio is designed and built by the team at GAP3, a small studio that ships product, brand, and growth work for early stage companies. We built this site as a free public good. Read more about us at gap3.co.
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Open JSON to YAML