Free · Plan work across a calendar

Gantt Chart Maker

Put tasks, dates, and milestones on one simple project timeline.

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Plan work across a calendar

Edit the words on the left. The finished diagram appears on the right.

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Diagram code12 lines · 11 steps

Tip: press Ctrl or Command + Enter to draw now.

PreviewDrawing starter diagram
Drawing your diagram

Three simple steps

How to use it

  1. Set the date format once, then add each task on its own line.
  2. Group related tasks into sections and mark key dates as milestones.
  3. Keep the plan small enough to read without zooming far out.

Your diagram stays on this device

Mermaid draws the diagram inside this browser tab. Bookify does not upload or save your code or diagram. Close the tab and the working copy is gone.