Documentation Index
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Keyboard shortcuts let you perform the most common modeling actions without leaving the canvas. All shortcuts are global — they work whenever focus is on the canvas (not in a text input, textarea, or dropdown).
Open the Keyboard Shortcuts modal at any time by pressing ? or Ctrl+/ (⌘+/ on Mac), or from the menu bar via View → Keyboard Shortcuts. The modal reflects the correct modifier key for your platform automatically.
Platform Notes
MC Modeler detects your platform at runtime and displays the appropriate modifier key in the shortcuts modal. The tables below use both notations:
| Platform | Modifier key shown |
|---|
| macOS | ⌘ (Command) |
| Windows / Linux | Ctrl |
Canvas Navigation
| Shortcut (Win/Linux) | Shortcut (Mac) | Action |
|---|
| Ctrl++ | ⌘++ | Zoom in |
| Ctrl+- | ⌘+- | Zoom out |
| Ctrl+Shift+H | ⌘+Shift+H | Fit diagram to screen |
| Ctrl+0 | ⌘+0 | Reset zoom to 100% |
Editing
| Shortcut (Win/Linux) | Shortcut (Mac) | Action |
|---|
| Ctrl+Z | ⌘+Z | Undo |
| Ctrl+Shift+Z | ⌘+Shift+Z | Redo |
| Ctrl+C | ⌘+C | Copy selected elements |
| Ctrl+X | ⌘+X | Cut selected elements |
| Ctrl+V | ⌘+V | Paste elements |
| Del | Del | Delete selected elements |
| Ctrl+A | ⌘+A | Select all elements |
Redo can also be triggered with Ctrl+Y (Windows/Linux) as an alternative to Ctrl+Shift+Z. Both are handled by the keyboard hook.
File Operations
| Shortcut (Win/Linux) | Shortcut (Mac) | Action |
|---|
| Ctrl+S | ⌘+S | Save diagram |
| Ctrl+N | ⌘+N | Open New diagram dialog |
View & Validation
| Shortcut (Win/Linux) | Shortcut (Mac) | Action |
|---|
| F5 | F5 | Validate diagram (opens Validation panel) |
| Ctrl+Shift+V | ⌘+Shift+V | Validate diagram (alternative shortcut) |
Shortcuts Modal
| Shortcut (Win/Linux) | Shortcut (Mac) | Action |
|---|
| ? | ? | Open Keyboard Shortcuts modal |
| Ctrl+/ | ⌘+/ | Open Keyboard Shortcuts modal (alternative) |
Ctrl+/ (⌘+/ on Mac) is an alternative trigger for the same modal — useful on keyboard layouts where ? requires holding Shift. The modal groups shortcuts by category (Canvas, Edit, View, Diagram) and renders the correct modifier key for your OS automatically.
Complete Quick Reference
| Shortcut (Win/Linux) | Shortcut (Mac) | Action | Category |
|---|
| Ctrl+Z | ⌘+Z | Undo | Canvas |
| Ctrl+Shift+Z | ⌘+Shift+Z | Redo | Canvas |
| Ctrl+C | ⌘+C | Copy | Edit |
| Ctrl+X | ⌘+X | Cut | Edit |
| Ctrl+V | ⌘+V | Paste | Edit |
| Del | Del | Delete | Edit |
| Ctrl+A | ⌘+A | Select all | Edit |
| Ctrl++ | ⌘++ | Zoom in | View |
| Ctrl+- | ⌘+- | Zoom out | View |
| Ctrl+Shift+H | ⌘+Shift+H | Fit to screen | View |
| Ctrl+0 | ⌘+0 | Reset zoom | View |
| Ctrl+S | ⌘+S | Save | Diagram |
| Ctrl+N | ⌘+N | New diagram | Diagram |
| F5 | F5 | Validate | Diagram |
| Ctrl+Shift+V | ⌘+Shift+V | Validate (alternative) | Diagram |
| ? | ? | Open shortcuts help | Diagram |
| Ctrl+/ | ⌘+/ | Open shortcuts help (alternative) | Diagram |