Keyboard shortcuts for QGIS. These have been tested on a Mac, but should also work on Windows.

Open "Settings" -> "Configure Shortcuts..." menu to see full list.

| Shortcut                                       | Action                    |
|:-----------------------------------------------|:--------------------------|
| <kbd>Shift</kbd> + <kbd>⌘</kbd> + <kbd>i</kbd> | Identify features tool    |
| <kbd>Shift</kbd> + <kbd>⌘</kbd> + <kbd>h</kbd> | Hide all layers           |
| <kbd>Shift</kbd> + <kbd>⌘</kbd> + <kbd>u</kbd> | Show all layers           |
| <kbd>Shift</kbd> + <kbd>⌘</kbd> + <kbd>h</kbd> | Zoom fit current layer    |
| <kbd>⌘</kbd> + <kbd>d</kbd>                    | Delete current layer      |
| <kbd>⌘</kbd> + <kbd>z</kbd>                    | Undo last action          |
| <kbd>p</kbd>                                   | Pan tool (custom)         |
| <kbd>Shift</kbd> + <kbd>p</kbd>                | Layer properties (custom) |