Firefox Keyboard Shortcut Keys

Command	Shortcut
Back	Alt + ← Backspace
Forward	Alt + → Shift + Backspace
Home	Alt + Home
Open File	Ctrl + O
Reload	F5 Ctrl + R
Reload (override cache)	Ctrl + F5 Ctrl + Shift + R
Stop	Esc

Current Page

Command	Shortcut
Go to Bottom of Page	End
Go to Top of Page	Home
Move to Next Frame	F6
Move to Previous Frame	Shift + F6
Print	Ctrl + P
Save Page As	Ctrl + S
Zoom In	Ctrl + +
Zoom Out	Ctrl + -
Zoom Reset	Ctrl + 0

Editing

Command	Shortcut
Copy	Ctrl + C
Cut	Ctrl + X
Delete	Del
Paste	Ctrl + V
Redo	Ctrl + Y
Select All	Ctrl + A
Undo	Ctrl + Z

Search

Command	Shortcut
Find	Ctrl + F
Find Again	F3 Ctrl + G
Find Previous	Shift + F3 Ctrl + Shift+ G
Quick Find within link-text only	'
Quick Find	/
Close the Find or Quick Find bar	Esc	- when the Find or Quick Find bar is focused
Search bar - Easily choose your favorite search engine	Ctrl + K
Select or Manage Search Engines	Alt + ↑ Alt + ↓ F4	- when Search Bar is focused

Windows & Tabs

See also Use tabs to organize lots of websites in a single window.

Command	Shortcut
Close Tab	Ctrl + W Ctrl + F4	- except for App Tabs
Close Window	Ctrl + Shift + W Alt + F4
Move Tab in focus Left	Ctrl + ← Ctrl + ↑
Move Tab in focus Right	Ctrl + → Ctrl + ↓
Move Tab in focus to start	Ctrl + Home
Move Tab in focus to end	Ctrl + End
New Tab	Ctrl + T
New Window	Ctrl + N
Next Tab	Ctrl + Tab Ctrl + Page Down
Open Address in New Tab	Alt + Enter	- from Location Bar or Search Bar
Previous Tab	Ctrl + Shift + Tab Ctrl + Page Up
Undo Close Tab	Ctrl + Shift + T
Undo Close Window	Ctrl + Shift + N
Select Tab 1 to 8	Ctrl + 1to8
Select Last Tab	Ctrl + 9
Tab Groups View	Ctrl + Shift + E
Close Tab Groups View	Esc
Next Tab Group	Ctrl + `	- only for some keyboard layouts
Previous Tab Group	Ctrl + Shift + `	- only for some keyboard layouts

History

Command	Shortcut
History sidebar	Ctrl + H
Library window (History)	Ctrl + Shift + H

Bookmarks

Command	Shortcut
Bookmark All Tabs	Ctrl + Shift + D
Bookmark This Page	Ctrl + D
Bookmarks sidebar	Ctrl + B Ctrl + I
Library window (Bookmarks)	Ctrl + Shift + B

Tools

Command	Shortcut
Downloads	Ctrl + J
Add-ons	Ctrl + Shift +A
Web Console	Ctrl + Shift +K
Inspect	Ctrl + Shift +I
Scratchpad	Shift + F4
Style Editor	Shift + F7
Page Source	Ctrl + U
Error Console	Ctrl + Shift +J
Toggle Private Browsing - Browse the web without saving information about the sites you visit	Ctrl + Shift +P
Remove recent browsing, search and download history	Ctrl + Shift +Del

Miscellaneous

Command	Shortcut
Complete .com Address	Ctrl + Enter
Complete .net Address	Shift + Enter
Complete .org Address	Ctrl + Shift + Enter
Delete Selected Autocomplete Entry	Del
Toggle Full Screen	F11
Toggle Menu Bar (when hidden)	Alt F10
Show/Hide Add-on Bar	Ctrl + /
Caret Browsing	F7
Select Location Bar	Alt + D Ctrl + L

Media shortcuts 

Command	Shortcut
Toggle Play / Pause	Space bar
Decrease volume	↓
Increase volume	↑
Mute audio	Ctrl + ↓
Unmute audio	Ctrl + ↑
Seek back 15 seconds	←
Seek back 10 %	Ctrl + ←
Seek forward 15 seconds	→
Seek forward 10 %	Ctrl + →
Seek to the beginning	Home
Seek to the end	End