Help

File Operations

Create a new tree diagram.
Load a tree diagram from a JSON file.
Overwrite the current tree diagram with the last saved file name.
Save the current tree diagram as a new JSON file.
Export the tree diagram as an SVG image file.
Export the tree diagram in Markdown list format.
Export the node data of the tree diagram in CSV format.

Editing Features

Undo the last operation. (Shortcut: Ctrl + Z)
Redo the undone operation. (Shortcut: Ctrl + U)
Cut the selected node. (Shortcut: Ctrl + X)
Copy the selected node. (Shortcut: Ctrl + C)
Paste the copied/cut node as a child of the selected node. (Shortcut: Ctrl + V)
Copy the selected node and its descendants to the clipboard in Markdown format.
Delete the selected node. (Shortcut: Backspace)

Node Operations

Add a new child node to the selected node. (Shortcut: Ctrl + I)
Add a new sibling node after the selected node. (Shortcut: Ctrl + O)
Edit the text by double-clicking the node or pressing Enter or F2 while selected.
Select a node by clicking on its text area.
Toggle the display of child nodes by clicking the handle (circular symbol) on the left of the node.
Change the position and hierarchy by dragging and dropping the node's text area.

View Operations

Zoom in/out the entire canvas. (Also possible with mouse wheel)
Move the view area by dragging the canvas.
Automatically adjust the view to fit the entire tree diagram on the screen.
Expand all collapsed nodes.

Navigation

Move the selection focus with the arrow keys or Ctrl + H, J, K, L.
Press Ctrl + G to show numbers on each node, then press a number key to jump to that node.

Application Settings

Switch the display language between Japanese and English from the Help menu. The setting is saved in the browser.

Help & Information

Display a basic operation guide on first launch or from the Help menu.
View the privacy policy page from the Help menu. (Available in English and Japanese)
Display the application's version information from the Help menu.