Add Vertex: Left-click on canvas

Move Vertex: Drag to reposition (5px threshold)

Create Edge: Right-click two vertices consecutively

Edit Mode: Hold vertex for 2.5 seconds (red glow appears at 1s)

Note: Dragging prevents edit mode

Customize: Adjust size, colors, fonts

Search: Run BFS/DFS algorithms

Set Target: Right-click on vertex

Calculate: Measure distances between vertices

Save/Load: Save and load graphs

Screenshot: Capture your graph

Theme: Toggle dark/light mode