JSON ↔ YAML Converter
Convert between JSON and YAML formats instantly with validation and download support.
JSON to YAML Converter is a free online tool that converts between JSON and YAML formats instantly. JSON is the standard for APIs and data interchange, while YAML is popular for configuration files (Docker Compose, Kubernetes, CI/CD pipelines). This tool validates your input and produces clean, readable output in both directions.
Frequently Asked Questions
What is the difference between JSON and YAML? +
JSON uses braces and quotes, making it ideal for APIs and data transfer. YAML uses indentation and is more human-readable, making it popular for configuration files. Both formats represent the same data structures.
Does this tool validate the input? +
Yes. If your JSON or YAML is malformed, an error message will display with details about what went wrong, so you can fix it before converting.
Is my data private? +
Yes. All conversion happens locally in your browser. No data is sent to any server.
How to Use
- 1
Paste JSON or YAML
Enter your JSON or YAML in the input panel. The tool auto-detects the format.
- 2
Select conversion direction
Choose "JSON → YAML" or "YAML → JSON" to pick the output format you need.
- 3
Copy the result
Copy the converted output with one click to use in your config files, CI/CD pipelines, or code.
Frequently Asked Questions
- YAML (YAML Ain't Markup Language) is a human-readable data serialization format. It is widely used in configuration files, CI/CD pipelines, and Kubernetes manifests.