Tool
YAML to JSON Converter
Convert YAML configuration and data files into JSON for APIs and apps.
Developer Tools
What this tool does
Paste YAML and convert it into formatted JSON for APIs, configs, and testing.
How to use
- Paste YAML text into the input area.
- Review the generated JSON output.
- Copy or reuse the JSON in your application.
Examples
Simple config
Input: name: Ada role: Engineer active: true
Output: { "name": "Ada", "role": "Engineer", "active": true }
YAML keys become JSON object properties.
Common use cases
- Convert Kubernetes or CI YAML snippets
- Prepare config files for JSON APIs
- Debug YAML-based configs
FAQ
Does this support nested YAML?
Yes. Nested YAML maps convert to nested JSON objects.
Can I convert JSON back to YAML?
Yes. Use the JSON to YAML converter for the reverse workflow.
Is my data uploaded?
No. Conversion runs locally in your browser.
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Last reviewed: 2026-05-23