YAML is easier to hand-write, but JSON is what most APIs and tools expect. This converter handles both directions — parsing YAML config files into clean JSON, or turning a JSON object into readable YAML — entirely in your browser.
How to use the yaml to json tool
- 1
Pick a direction
Choose YAML → JSON or JSON → YAML.
- 2
Paste your data
Add YAML content or a JSON object/array.
- 3
Copy the result
The converted output updates as you type.
Common use cases
Convert a Kubernetes or CI config
Turn a YAML config file into JSON to inspect or feed into a JSON-only tool.
Read JSON as YAML
Convert a JSON API response or config into YAML's more readable, indentation-based format.
Debug a YAML syntax error
Get a clear parser error pointing to what's wrong in a YAML file.
Frequently asked questions
Standard YAML 1.2: nested mappings, lists, strings, numbers, booleans, and null — everything you'd typically find in a config file.