mozilla firefox shortcut keys

Alt + Left Arrow	Back a page.
Backspace	Back a page.
Alt + Right Arrow	Forward a page.
F5	refresh current page, frame, or tab.
F11	Display the current website in full screen mode. Pressing F11 again will exit this mode.
Esc	Stop page or download from loading.
Ctrl + (- or +)	Increase or decrease the font size, pressing ‘-’ will decrease and ‘+’ will increase.
Ctrl + Enter	Quickly complete an address. For example, type computerhope in the address bar and press CTRL + ENTER to get http://www.computerhope.com.
Shift + Enter	Complete a .net instead of a .com address.
Ctrl + Shift + Enter	Complete a .org address.
Ctrl + Shift + Del	Open the Clear Data window to quickly clear private data.
Ctrl + D	Add a bookmark for the page currently opened.
Ctrl + I	Display available bookmarks.
Ctrl + J	Display the download window.
Ctrl + N	Open New browser window.
Ctrl + P	Print current page / frame.
Ctrl + T	Opens a new tab
Ctrl + F4	Closes the currently selected tab.
Ctrl + Shift + T	Undo the close of a window.
Ctrl + Tab	Moves through each of the open tabs.
Spacebar	Moves down a page at a time.
Shift + Spacebar	Moves up a page at a time.
Alt + Down arrow	Display all previous text entered in a text box and/or available options on drop down menu