Below is my: Unofficial Firefox Keyboard Shortcuts Quick Reference Guide. I have tried to group the shortcuts into logical groups so that you can easily find them.
Page/Tab Navigation:
- [Alt]+[Home]: Opens the Home page in the current tab
- [Alt]+[Right Arrow]: Moves one page forward in cache
- [Alt]+[Left Arrow]: Moves one page back in cache
- [Backspace]: Moves one page back in cache
- [Shift]+[Backspace]: Moves one page forward in cache
- [Alt]+F4: Closes the active window
- [Ctrl]+F4: Closes the active tab
- [Ctrl]+1: Opens the first tab
- [Ctrl]+2: Opens the second tab
- [Ctrl]+3: Opens the third tab
- [Ctrl]+4: Opens the forth tab
- [Ctrl]+5: Opens the fifth tab
- [Ctrl]+6: Opens the sixth tab
- [Ctrl]+7: Opens the seventh tab
- [Ctrl]+8: Opens the eigth tab
- [Ctrl]+9: Opens the nineth tab
- [Ctrl]+N: Opens a new window
- [Ctrl]+T: Opens a new tab in the current window
- [Ctrl]+W: Closes the active tab in the current window
- [Ctrl]+[Tab] ([Ctrl]+[Page Down]): Selects the next tab within the current window
- [Ctrl]+[Shift]+Tab ([Ctrl]+[Page Up]): Selects the previous tab within the current window
- Esc: Stops loading the current page
- [Ctrl]+0 (zero): Restore normal text size
- [Ctrl]+[+] (plus sign): Increases the font size
- [Ctrl]+[-] (minus sign): Decreases the font size
- [End]: Moves to the bottom of a page
- [Home]: Moves to the top of a page
- [Ctrl]+F: Find
- [Ctrl]+G (or [F3]): Find again
- [Shift]+[F3]: Find previous
- [F5]: Refresh
- [Ctrl]+[F5] ([Ctrl]+[Shift]+R): Refresh (overrides page cache)
- [Ctrl]+A: Selects all object on the page
- [Ctrl]+B: Opens/closes the Bookmarks pane
- [Ctrl]+H: Opens/closes the History pane
- [Ctrl]+I: Opens/closes the Bookmarks pane
- [Ctrl]+J: Opens/closes the Downloads dialog box
- [F6]: Selects the current Location bar text Move or moves to the next frame
- [Shift]+[F6]: Moves to the previous frame
- [Alt]+[Enter]: Opens a URL in a new tab
- [Ctrl]+[Enter]: Adds "www." to the beginning and ".com" to the end of a domain name in the Location bar
- [Ctrl]+[Shift]+[Enter]: Adds "www." to the beginning and ".org" to the end of a domain name in the Location bar
- [Shift]+[Enter]: Adds "www." to the beginning and ".net" to the end of a domain name in the Location bar
- [Ctrl]+D: Adds a bookmark
- [Ctrl]+E (or [Ctrl]+K): Activates Web Search bar
- [Ctrl]+Down Arrow: Selects the next search engine
- [Ctrl]+Up Arrow: Selects the previous search engine
- [Ctrl]+L: Select the current Location bar text
- [Ctrl]+U: View source code for the current page
- [F7]: Toggle on/off Caret Browsing
- [F11]: Toggle full-screen/normal view
- [Ctrl]+C: Copy
- [Ctrl]+O: Open a file
- [Ctrl]+P: Print
- [Ctrl]+R: Refresh
- [Ctrl]+S: Save As
- [Ctrl]+V: Paste
- [Ctrl]+Y: Redo
- [Ctrl]+X: Cut
- [Ctrl]+Z: Undo
- [F1]: Opens Help