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YAML Diff Viewer

What is yamly?

yamly reads YAML as structured data rather than plain text. It highlights meaningful changes and filters out noise, making it easier to review config updates, infrastructure changes, and YAML produced or rewritten by LLM-powered tools.

Generic YAML diffing with path-based change tracking. Great for config files, Kubernetes manifests, etc.

Specify which field identifies items in each array type. Leave empty for auto-detection.

Get started: Upload or paste two YAML documents, or try an example from the demo section above.