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How can I change the keyboard shortcut to switch between next and previous tabs on Firefox on OS X?

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Please accept the answer, I spent a considerable amount of time searching on Google, before it led me here (I was expecting a stackexchange answer from the start, but it took time until it surfaced). – Ioannis Filippidis Dec 6 '13 at 23:05
  1. alternative shortcut: Command+Option+left and Command+Option+right
  2. alternative shortcut: Crtl+Tab and Ctrl+Shift+Tab
  3. alternative shortcut: Command+{ and Command+}
  4. alternative shortcut: Ctrl+Page up and Ctrl+Page down
  5. Swift tabs add-on – This should be very easy to setup.
  6. If Swift tabs plugin won't work on OS X, you can try more flexible Customizable Shortcuts add-on
  7. or Keyconfig add-on
    • download .XPI file from the forum page and restart Firefox
    • Addons –> keyconfig –> Preferences –> Add a new key
    • for next tab, insert:
      gBrowser.mTabContainer.advanceSelectedTab(1,true); and assign your shortcut
    • add another key for previous tab:
      gBrowser.mTabContainer.advanceSelectedTab(-1,true); and assign your shortcut
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These work for me. Not sure why it was downvoted. You can also go directly to a tab by pressing cmd plus the number of the tab (ie, press cmd+1 to go straight to the first tab). – Chris Herbert Aug 14 '12 at 15:22
If my post answered your question, please mark the answer as accepted. You should accept answers every time it resolves your problem. By the way, what solution have you finally used? – babca Aug 19 '12 at 16:49
Another non-acceptor... Probably abandoned the question... The most annoying thing that happens here... @Downvoter could be... Just my 2¢... – spudowiar Apr 14 '13 at 9:41
@ChrisHerbert: Although cmd +# is available, it is useless when you have 20 tabs open. You can ergonomically manage as many using e.g. side tabs. – Ioannis Filippidis Dec 6 '13 at 23:09
An observation: although 1 ships ready for use, it still requires that the 2nd hand leave the pad, defying the purpose of switching windows and tabs with only the left hand. So #5 with Cmd +1 (previous) and Cmd +2 proves to be the best solution, because it is also next to the closely related Cmd +` and Cmd +tab. – Ioannis Filippidis Dec 7 '13 at 0:40

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