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Load a sample ▾
How to Use
- Paste YAML or JSON in the left panel
- Click YAML → JSON or JSON → YAML
- Use ⇄ to swap input/output and keep editing
- Supports multi-document YAML (
--- separators)
- All processing happens in your browser — nothing is sent to a server
Features
- Instant syntax validation with error messages
- Configurable JSON indent (2/4/tab/minified)
- YAML flow level control (block vs inline)
- Multi-document YAML support
- One-click copy and download