JSON to YAML
Convert JSON to YAML instantly in your browser. Transform JSON data and API responses into clean, readable YAML format with one click
CODE JSON
YAML→JSON JSON→YAML
Tip: paste JSON on the left — YAML output updates instantly.
Runs 100% Locally in Your Browser
This tool processes your data entirely on your device. Nothing is uploaded, stored, or sent to any server.
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Frequently Asked Questions
How to convert JSON to YAML online?
Paste your JSON into the input and the tool instantly outputs clean, properly indented YAML.
When should I use YAML instead of JSON for my project?
Use YAML when humans will frequently read or edit the file — config files, CI/CD pipelines, and deployment manifests are common examples.
Does every valid JSON convert to valid YAML?
Yes. JSON is a strict subset of YAML 1.2, so any valid JSON can be represented as YAML.
What is the difference between JSON and YAML formatting?
JSON uses explicit braces and quotes; YAML uses indentation and omits quotes for most strings, making it more concise for nested structures.
Will converting JSON to YAML lose any data?
No. All keys, values, arrays, and nested objects are preserved exactly — only the representation changes.
Are my inputs stored or logged when converting JSON to YAML?
No. Conversion runs entirely in your browser via js-yaml — your data is never logged or uploaded.