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🔄 JSON & YAML Converter

100% client-side JSON and YAML converter and syntax validator.

✓ Ready (Type anything to convert instantly)Mode: JSON ➔ YAML
JSON Input
YAML Output
❓ Frequently Asked Questions (FAQ)

What is the key difference between JSON and YAML?

JSON (JavaScript Object Notation) uses explicit brackets, braces, and commas for strict data structure definition, making it ideal for web APIs. YAML (YAML Ain't Markup Language) uses indentation and line breaks, offering superior human readability for configuration files (e.g., Docker, Kubernetes, GitHub Actions).

Will comments in my YAML file be preserved when converting to JSON?

No. The JSON specification does not natively support comments. When converting YAML to JSON, all YAML comments (#) are stripped out during parsing.

Is my JSON or YAML file processed on a remote server?

No, 100% private. All conversions and syntax validations are executed locally in your browser using the js-yaml JavaScript library. No confidential configurations leave your device.

🗓️ Updated 2026-08-22

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