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How do I reassign the keyboard shortcuts for firefox? I want to use ctrl+right/lift to switch tabs. Is there a plugin for this, if FF doesn't support this natively?

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I thought that this was something built in, but I've just checked and I can't find any options for it all. Is it something they've taken out of 3.6? – ChrisF May 25 '10 at 20:39
up vote 16 down vote accepted

Here is what worked for me with Firefox 6:

  1. Install the keyconfig addon from the keyconfig download page and restart.
  2. Go to Addons -> keyconfig -> Preferences.
  3. There are no "Previous Tab" and "Next Tab" entries by default, but you can add them by clicking Add a new key and using the following code snippets (thanks to the author):
    • Next Tab: gBrowser.mTabContainer.advanceSelectedTab(1,true);
    • Previous Tab: gBrowser.mTabContainer.advanceSelectedTab(-1,true);
  4. Assign whatever keys to the "Next Tab" and "Previous Tab" actions.

(The Customizable Shortcuts addon didn't work for me, as it didn't have entries for Next Tab and Previous Tab.)

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This still works perfectly in Firefox 9.0.1 – Alo Jan 4 '12 at 23:07
Lifesaver answer, works fine in Firefox 16.0.2 – ppp Nov 21 '12 at 2:03
Still works in Firefox 31.0 – Adam Lindberg Aug 20 '14 at 19:52

AutoHotkey is the answer. I tried those Firefox extensions, but they can't handle all the actions I wanted. AutoHotkey can. Try something like this in a .ahk file:

#IfWinActive ahk_class MozillaWindowClass
   ^Left::Send ^{PgUp}
   ^Right::Send ^{PgDn}
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The Keyconfig add-on for Firefox allows you to program most tab-selection keyboard binding.

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The SwiftTabs addon even lets you assign single key shortcut for tab switching

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On OS X, you can switch tabs to the left or right using option+command+left/right. Command+{/} and ctrl+page up/down do the same thing.

I don't know if comparable shortcut keys exist on Windows, though I would guess that ctrl+page up/down work.


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Thanks, although it would be better if it used ctrl+arrowkeys. Using page up/down to move across the tabbar doesn't feel natural. – John2496 Jun 7 '10 at 16:09
Firefox also supports tab switching using CTRL+TAB & CTRL+TAB+SHIFT. Taken from… – John2496 Jun 7 '10 at 16:14

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