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Visual task DAG

See your canvas: chains, groups, chords.

Tidy-tree SVG layout of Celery canvas structures. Parent nodes are horizontally centered over their children; runtime badges surface per-node timing; failed nodes fill in red. No heavy graph library, hand-rolled SVG.

Preview
z4j overview view with sample project data
Dashboard overview · sample data. Explore the live demo →

The related dashboard view, captured with sample project data. Open the live demo to try it.

Ships with

  • Subtree-width-aware placement
  • Runtime badges (ms / s / m / h)
  • Click-through navigation to any node
  • Orphan + cycle detection (reparents safely)

Related

More capabilities

Ready to try z4j?