DevFmt/

YAML to JSON

Indent:
Input — YAML
Output — JSON

How to use YAML to JSON

YAML to JSON Converter transforms YAML data into clean, properly indented JSON. Useful when you need to convert Kubernetes manifests, Docker Compose files, or CI/CD configurations into JSON for APIs or other tools.

Paste any valid YAML and get correctly formatted JSON output. Choose between 2-space and 4-space indentation. The converter handles nested objects, arrays, multi-line strings, and all standard YAML data types.

Key features: configurable JSON indentation (2/4 spaces), full YAML spec support, one-click copy and download, real-time conversion, and file upload support.

All conversion happens client-side in your browser. No data is ever transmitted to any server.

FAQ

How do I convert YAML to JSON?
Paste your YAML into the input panel and JSON output appears instantly. Choose 2 or 4 space indentation for the JSON output.
Why convert YAML to JSON?
JSON is the standard format for APIs, JavaScript applications, and many tools that don't accept YAML. Converting lets you use YAML configuration in JSON-only contexts.
Does it handle all YAML features?
It supports standard YAML features including nested objects, arrays, multi-line strings, anchors, and all data types. Advanced YAML features like custom tags are simplified during conversion.

Related tools

/json/to-yaml/json/formatter

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