YAML Tree & Flatten

Turn YAML into an indented tree view or a flat dotted-key list for quick scanning.

All processing on this page runs locally in your browser unless noted otherwise.

How to use

  1. Paste or import YAML.
  2. Switch between tree and flatten modes.
  3. Copy or download the preview text.

FAQ

Does flatten keep types?

Values are JSON-encoded in the flat list so strings/numbers/bools stay distinguishable.

Multi-document?

Only the first document is shown. Use Multi-doc to split first.

Related tools