JSON ↔ YAML

Convert JSON to YAML and YAML to JSON instantly with bidirectional conversion. Auto-detection, syntax highlighting, and real-time formatting.

Features

• Convert JSON to YAML and YAML to JSON in both directions
• Auto-detects input format so you can paste either
• Syntax highlighting and real-time conversion as you type
• Preserves structure; round-trip without data loss
• Copy or download converted output

Why use this tool

Switch between JSON configs and YAML (e.g. Kubernetes, CI) or translate API payloads into readable YAML. No plugins or local tools required.

Try it

Try JSON ↔ YAML at Spoold →

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More from Spoold

Spoold is a free developer toolbox that detects what you paste and opens the right tool.

• No sign-up – Use every tool without an account.
• Runs in your browser – Your data stays on your device; we don’t store or log your input.
• Paste and go – Paste JSON, HTML, JWT, curl, Base64, or any text on the homepage and Spoold suggests the right tool.
• One place for many tools – JSON formatter, JWT decoder, Base64, UUID generator, regex tester, curl-to-code, and more.

Open Spoold →