Mozilla Firefox : All Shortcut Keys

Shortcut Keys	Functions
F5	Refresh current page, frame, or tab
F11	Enter Fullscreen mode
F11	Exit Fullscreen mode
Esc	Stop page or download from loading
Spacebar	Moves down a page at a time
Alt + Home	Open your homepage
Alt + Down arrow	Display all previous text entered in a text box and available options on drop-down menu
Alt + Left Arrow	Back a page
Alt + Right Arrow	Forward a page
Ctrl + (- or + )	Increase or decrease the font size, pressing '-' will decrease and ' + ' will increase.
Ctrl + 0	will reset back to default
Ctrl + D	Add a bookmark for the page currently opened
Ctrl + F	Access the Find option, to search for any text on the currently open web page
Ctrl + H	View browsing history
Ctrl + I	Display available bookmarks
Ctrl + J	Display the download window
Ctrl + K or Ctrl + E	Move the cursor to the search box
Ctrl + L	Move cursor to address box
Ctrl + N	Open New browser window
Ctrl + O	Access the Open File window to open a file in Firefox
Ctrl + P	Print current page or frame
Ctrl + T	Opens a new tab
Ctrl + F4 or Ctrl + W	Closes the currently selected tab
Ctrl + F5	Refresh the page, ignoring the Internet cache (force full refresh)
Ctrl + Enter	Quickly complete an address. For example, type facebook in the address bar and press Ctrl + Enter to get https://www.facebook.com
Ctrl + Tab	Moves through each of the open tabs
Ctrl + Shift + Del	Open the Clear Data window to quickly clear private data
Ctrl + Shift + B	Open the Bookmarks window, to view all bookmarks in Firefox
Ctrl + Shift + J	Open the Browser Console to troubleshoot an unresponsive script error
Ctrl + Shift + P	Open a new Private Browsing window
Ctrl + Shift + T	Undo the close of a window
Ctrl + Shift + W	Close the Firefox browser window
Shift + Spacebar	Moves up a page at a time