CONVERT
JSON ↔ YAML
Translate configuration data with a predictable YAML 1.2 schema and explicit limits on unsupported values.
Example loaded. JavaScript processes it locally.
Review the output before using it.
Explore the JSON tree
Know what happens to your data.
YAML uses the 1.2 core schema. Aliases, explicit tags, non-string keys, multiple documents and non-finite numbers are rejected. Comments and formatting are not retained.
Practical limits
Inputs up to 1 MiB, 80 nested levels and 50,000 structured values. CSV supports up to 10,000 data rows and 200 columns. Very large jobs time out so your browser stays responsive. Uploaded files must be UTF-8 text.
Nothing is submitted to a processing server or saved as input history. Copy or download your result before leaving the page. Read the privacy details.