Most Useful Mozilla Firefox Browser Shortcut keys

alt+d or ctrl+l	Jump to address bar
ctrl+enter	Complete a .com address in address bar: adds "http" prefix and ".com" suffix to entry, then loads the page. Add alt to combination to load page in background tab.
shift+enter	Complete a .net address in address bar: adds "http" prefix and ".net" suffix to entry, then loads the page. Add alt to combination to load page in background tab.
ctrl+shift+enter	Complete a .org address in address bar: adds "http" prefix and ".org" suffix to entry, then loads the page. Add alt to combination to load page in background tab.
arrow up/arrow down in address bar	Open URL history in address bar and navigate. Press enter to launch selected webpage
delete in address bar history	Delete current entry from address bar history
ctrl+k	Jumps to search bar if installed (ctrl+e used to do so as well, but seems to be discontinued)
alt+arrow up/arrow down in search bar	Toggle search engines
arrow down/arrow up in search bar	Choose from previous searches. Press enter to choose selected search term
delete in previous searches	Delete previous search entry
alt+home	Jump to homepage
alt+arrow left/arrow right	One page backward / one page forward
ctrl+t	Open new tab in same window
ctrl+tab or ctrl+page down	Jump to next browser tab
ctrl+shift+tab or ctrl+page up	Jump to previous browser tab
ctrl+1...8	Jump to browser tab 1 - 8
ctrl+9	Jump to the rightmost tab regardless on how many tabs are open
ctrl+w or ctrl+q	Close current browser tab
ctrl+shift+t	Undo close browser tab
alt+d, then press tab twice (or three times)	Get "focus" on webpage for in-page keyboard navigation. Note the dotted frame around the page
arrow down/arrow up	Scroll webpages up or down one line
page down/page up	Scroll webpages up or down one page. space/shift+space does the same.
home/end	Jump to beginning / end of webpage
tab/shift+tab	Jump to next / jump to previous link
enter	Open selected link in current tab
shift+ctrl+enter	Open selected link in new foreground tab
ctrl+enter	Open selected link in new background tab
shift+enter	Open selected link in new window
alt+enter	Download selected link
ctrl++/ctrl+-	Increase or decrease text size
ctrl+0	Default text size
f5 or ctrl+r	Reload page
ctrl+f5 or ctrl+r	Reload page with cache override
escape	Stop loading page
f6/shift+f6	Jump forwards / jump backwards between tab bar and page. To reach addressbar, press f6 until reaching the tab (see dotted line around tab) and press tab
shift+f10	Open context menu of a hyperlink. Press arrow up or down or initial letter to select command
f7	Turn caret mode on or off (navigation with keyboard)
ctrl+a	Select all, useful to copy and paste text out of webpages
ctrl+c	Copy selected text
ctrl+p	Print
alt+f, then v	Print preview
ctrl+u	Show page source
ctrl+s	Save page as
ctrl+f or /	Open "quick find" window and searches phrase as you type
' (apostrophe)	Open "quick find" (links only) window
ctrl+g or enter or f3	Find next occurrence of search term.
ctrl+shift+g or shift+f3	Find previous occurrence of search term.
escape	Close search window
ctrl+b or ctrl+i	Show or hide bookmark sidebar
ctrl+shift+b	Organize bookmarks
ctrl+d	Add bookmark
ctrl+shift+d	Bookmark all tabs. In the "create in" menu, use alt+down to choose bookmark destination
alt+b, then press a-z or number	Open bookmark menu and press first letter of a bookmark name to load them. More than one entry with the same letter, requires to repeatedly pressing the letter and hit enter
ctrl+j	Open or close download window
ctrl+h	Show or hide browsing history
ctrl+shift+del	Clear private data (menu)
ctrl+o	Open file
ctrl+l	Open Location
alt+f	Open file menu
alt+e	Open edit menu
alt+v	Open view menu
alt+s	Open history menu
alt+b	Open bookmark menu
alt+t	Open tools menu
alt+h	Open help menu
ctrl+/	Show / hide Add-On Bar (holding add-ons)
ctrl+n or alt+f+n	Opens new browser window
ctrl+shift+w or alt+f4	Close browser window
alt+space	Opens the title bar menu (default Windows feature)
alt+space+enter	Restore Window (default Windows feature)
alt+space+x	Maximize Window (default Windows feature)
alt+space+n	Minimize Window (default Windows feature)
f11	Turn full page view on or off (default Windows feature)
tab/shift+tab	Jump to next or previous form element
space	Activate or deactivate radio buttons and check boxes
alt+arrow down	Select from a drop-down menu
ctrl+c, ctrl+x and ctrl+v	Copy, cut or paste selected text (when working in forms)
arrow up/arrow down	Select previously used form entries
shift+delete	Delete previously used form entries
ctrl+shift+i	Open or close webpage Inspector
ctrl+shift+j	Open Java Error Console. Press escape to close
f1	Firefox (online) help