The toolbar is are configurable by way of the Settings menu. By default the Kpl toolbar contains the following buttons:
| Button | Action |
|---|---|
| New | Opens a new plot file. |
| Open Plot File | Opens an existing plot file. |
| Open Data File | Opens an existing data file. |
| Save | Saves the current plot file. |
| Prints the graphical presentation. | |
| Undo | Reverses the last change of the plot. |
| Redo | Reverses the last change of the plot made using Undo. |
| Zoom In | Increases magnification by 20 %. |
| Zoom Out | Decreases magnification by 20 %. |
| Reload | Reloads the current file and refreshes the plot. |
| Help | Displays the Kpl help pages. |