These Are The Most Popular Keyboard Shortcuts For Firefox :
Ctrl+N - It use for Open New Browser Window
Ctrl+T - It use for Open New Tab on Existing window
Ctrl+W or Ctrl+F4 - It use for Close the current window or Tab
Ctrl+R or F5 - For refresh The Page
Ctrl+F5 orCtrl+Shift+R - Refresh the page with override cache
Esc - Stop
Ctrl + O - It use for Open File
Alt+Home - Home
F1 - Firefox Help
F11 - Toggle Full Screen of Browser Window.
Ctrl+Tab - For Changing Tab between Existing window.
Ctrl+U - Open View Source Page of any webpage.
Ctrl+I or Ctrl+B - Open Bookmark window in left sidebar
Ctrl+P - For Print Command
Ctrl+A - Select All
Ctrl+S - Save Page As
Ctrl+D - Bookmark This Page
Ctrl+F - Find
Ctrl+G or F3 - Find Again
Ctrl+H - open History Window In left Sidebar.
Ctrl+J - Open Downloads Window
Ctrl+Z - Undo Your Process
Ctrl + Y or Ctrl + Shift + Z - Redo your Process
Ctrl+C - Copy
Ctrl+V - Paste
Ctrl + Shift + Delete - Clear your Private Data
F7 - To Open Browser in Caret mode
Backspace or Alt+Left Arrow - Back
Shift+Backspace or Alt+Right Arrow - Forward
Alt + Enter - Copy your existing window tab and Open It in New Tab
Ctrl + Tab or Ctrl + Shift + Tab — rotate forward to the next window tab
Down Arrow – Scroll down
Ctrl+ "+" or Ctrl+ Scroll up - Increase Text Size (Zoom In)
Ctrl+ "-" or Ctrl+ Scroll Down - Decrease text Size (Zoom Out)
Ctrl+ 0 (Zero) - Normal Text Size (Default Zoom Mode)
Alt+ Scroll Down - One step page go down
Alt+ Scroll Up - One step page go Up
Ctrl+Shift+I - DOM Inspector
Ctrl + L or ALT + D - Select Location Bar
Ctrl + Enter - To complete URL with .com
Ctrl + Shift + Enter - To complete URL with .org
Shift + Enter - To complete URL with .net
Ctrl + Up Arrow - Choose previous Search engines to search information
Ctrl + Down Arrow - Choose Next Search engines to search information
Alt + Up Arrow or Alt + Down Arrow - Open List of available Search Engine
