YAML to JSON Converter

Convert YAML data to JSON format instantly. Paste text or upload a .yaml file.

No data sent to server

YAML Input

JSON Output

Related Tools

JSON to YAML CSV to JSON

What is YAML to JSON?

YAML (YAML Ain't Markup Language) is a human-readable configuration format used by Docker Compose, Kubernetes, GitHub Actions, and many other tools. JSON is the standard data format for APIs and programming. Converting YAML to JSON helps when you need to use configuration data in code or validate it programmatically.

How to Use

Paste YAML data or upload a .yaml / .yml file.
Click "Convert".
Copy or download the JSON output.

FAQ

Are YAML anchors and aliases supported?

Yes. The js-yaml library handles anchors (&), aliases (*), and merge keys (<<) correctly.

Does it support multi-document YAML?

Currently, only the first document in a multi-document YAML file is converted. Split your documents if needed.