# Keyboard Shortcuts The modifier is <kbd>Ctrl</kbd> on Windows & Linux and <kbd>⌘</kbd> on Mac. - <kbd>Ctrl</kbd>/<kbd>⌘</kbd>+<kbd>m</kbd> - toggle markdown - <kbd>Ctrl</kbd>/<kbd>⌘</kbd>+<kbd>d</kbd> - toggle mic mute - <kbd>Ctrl</kbd>/<kbd>⌘</kbd>+<kbd>e</kbd> - toggle video on/off - <kbd>Ctrl</kbd>/<kbd>⌘</kbd>+<kbd>k</kbd> - jump to named room - <kbd>↑</kbd>/<kbd>↓</kbd> - navigate old messages to edit when the composer is in focus - <kbd>↑</kbd>/<kbd>↓</kbd> - next/prev room when focus in room list - <kbd>Alt</kbd>+<kbd>↑</kbd>/<kbd>↓</kbd> - resend previous messages when the composer is in focus - <kbd>PageUp</kbd>/<kbd>PageDown</kbd> - scroll timeline up/down - <kbd>Ctrl</kbd>/<kbd>⌘</kbd>+<kbd>Home</kbd>/<kbd>End</kbd> - jump to timeline start/end