JSON to YAML Converter
JSON to YAML Converter turns JSON into clean, indentation-based YAML that is easier to read and edit by hand. Strings are quoted only when necessary, so the output stays as tidy as a config file you would write yourself.
Paste your JSON and the YAML appears instantly, ready to copy. The conversion runs entirely in your browser.
How to use JSON to YAML Converter
- 1
Paste your JSON
Drop the JSON you want to convert into the input box.
- 2
Get the YAML
The equivalent YAML appears live as you type.
- 3
Copy the result
Use the copy button to grab the YAML output.
Why convert JSON to YAML?
YAML is the format of choice for configuration in tools like Docker Compose, Kubernetes, GitHub Actions and CI pipelines. Converting a JSON document to YAML gives you a version that is friendlier to read and edit, with less punctuation and clearer nesting.
Because JSON is a subset of YAML, the conversion is lossless: the YAML represents exactly the same data.
How the YAML is formatted
Objects become indented mappings and arrays become dash-prefixed sequences, with two-space indentation per level. Strings are emitted bare when safe and quoted only when they could be misread — for example values that look like numbers, booleans or null, or that contain special characters.
Empty objects and arrays are written inline as {} and [] to keep the output compact.
Frequently asked questions
- Is the conversion lossless?
- Yes. JSON is a subset of YAML, so the resulting YAML holds exactly the same data.
- When are strings quoted?
- Only when needed — for example when a string would otherwise be read as a number, boolean or null, or contains special characters.
- Is my JSON uploaded?
- No. The conversion runs entirely in your browser.
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