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Simply convert YAML to JSON with this online live converter.
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YAML to JSON: Paste your YAML in the left panel. The JSON output appears instantly.
JSON to YAML: Paste your JSON in the right panel. The YAML output appears instantly.
Copy JSON or YAML to clipboard with one click.
Config files: Convert YAML configs to JSON for APIs or tooling.
APIs: Convert JSON API responses to YAML for configs.
Development: Switch between formats for different tools.
YAML and JSON are both data serialization formats. YAML is human-readable and often used for config files; JSON is widely used in APIs and web apps. This tool converts between them instantly.
Both YAML and JSON support nested structures. Invalid syntax will show an error message to help you fix it.
Use this tool as a Swagger YAML to JSON converter. Paste your Swagger/OpenAPI YAML spec and get JSON instantly. Ideal for importing into Postman, generating API clients, or converting between formats. Free and runs in your browser.
Convert OpenAPI YAML to JSON with this free online converter. Paste your OpenAPI 3.0 or Swagger 2.0 YAML and get valid JSON. Use for Postman imports, API documentation tools, or CI/CD pipelines. No signup required.
To convert YAML to JSON for Postman: paste your YAML (OpenAPI, Swagger, or any config) in the Your YAML panel. Copy the JSON output and import it into Postman. This replaces the need for convert yaml to json postman plugins.
YAML to JSON example: 'name: John' becomes '{"name": "John"}'. Nested YAML converts to nested JSON. Arrays and objects are preserved. Paste any YAML in the tool to see the JSON equivalent instantly.
Simply convert YAML to JSON with this online live converter.