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JSON to YAML
Turn JSON into tidy, human readable YAML in one click.
Convert JSON to YAML
Paste JSON to begin.
How to use the JSON to YAML
- Paste valid JSON into the input box.
- Choose the indentation, and sort the keys if you want a fixed order.
- Click Convert to YAML, then copy the output or download it as a file.
Features
- Block style YAML with nested maps and lists
- Two space, four space or compact indentation
- Smart quoting of strings that need it
- Copy the YAML or download a .yaml file
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Frequently Asked Questions
Common questions about the free online json to yaml.
Paste valid JSON and click Convert to YAML. The same data is written in YAML block style,
using two spaces of indentation by default.
Block mappings, block sequences, plain and double quoted scalars, and the empty collection
markers for empty objects and arrays.
Long strings are written as double quoted scalars with escaped line breaks rather than
literal block scalars, which keeps the output unambiguous.
Yes, choose two spaces, four spaces, or no indentation for the most compact valid YAML.
Yes, keys are written in the order they appear in the JSON. Tick Sort keys alphabetically if
you prefer a fixed order.
Strings that could be misread as numbers, booleans or null, or that contain characters such
as a colon followed by a space, are wrapped in double.
No. JSON has no comments and anchors have no JSON equivalent, so the output contains data
only.
The tool reports the JSON parser error and leaves the output empty so you can fix the input.
No. The conversion runs entirely in your browser, so your data stays private.
Yes, click Download .yaml to save the converted result on your device.
Last updated: October 10, 2026