JSON to YAML & YAML to JSON Converter - Free Online Tool
Convert between JSON and YAML formats instantly. Bidirectional converter for config files, Kubernetes manifests, and more.
JSON to YAML Converter
Convert JSON data to YAML format. Perfect for configuration files, Kubernetes manifests, and Docker Compose.
- Instant bidirectional conversion
- Preserves nested structures and data types
- Customizable indentation (2, 4, or 8 spaces)
- All processing happens in your browser
- Copy results with one click
About JSON ↔ YAML Converter
Convert between JSON and YAML formats instantly. Bidirectional converter for config files, Kubernetes manifests, and more. JSON ↔ YAML Converter is a free online tool by NeXiilo — no sign-up required, and everything runs privately in your browser.
Whether you use it daily for work or occasionally for a quick task, JSON ↔ YAML Converter gives you fast, accurate results without uploading your data anywhere.
How to Use JSON ↔ YAML Converter
- Open the JSON ↔ YAML Converter above — paste or enter your input.
- Adjust any options to match what you need.
- Get instant results right in your browser.
- Copy or reuse the output wherever you need it.
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Frequently Asked Questions
Can I convert JSON to YAML?
Yes, switch to JSON to YAML mode and paste your JSON data. The tool will automatically convert it to YAML format with proper indentation and structure.
Can I convert YAML to JSON?
Yes, switch to YAML to JSON mode and paste your YAML data. The tool will convert it to JSON format while preserving nested structures and data types.
What is YAML used for?
YAML is commonly used for configuration files, Kubernetes manifests, Docker Compose files, CI/CD pipelines, and data serialization. It is human-readable and supports nested structures.
Does the converter preserve data types?
Yes, the converter preserves data types including strings, numbers, booleans, null values, arrays, and nested objects. Quoted strings are handled correctly in both directions.
Is my data stored anywhere?
No, all conversion happens in your browser. Your data is never uploaded to any server, ensuring complete privacy and security.