icon Dictionary Switcher


Toggles between the installed dictionaries automatically or manually and displays the currently selected dictionary in the status bar.

See also: Dictionary Switcher for Thunderbird


2009-12-08: 1.0.1 @ AMO / local mirror
umlaut handling fixed
2008-06-23: 1.0
support for rich text editors (e.g. Gmail)
2008-06-04: 0.9
smarter auto-detection based on the host
default dictionary selection at startup fixed
added workaround for bug 436717
added support for Firefox 3.1a1pre
2008-05-27: 0.8.1
compatible with Firefox 3
2007-01-16: 0.8
experimental support for as-you-type detection
added a list of installed dictionaries to the context menu
localized: ko-KR
2007-01-02: 0.7.2
compatible with Firefox 3.0a2
localized: ca-AD, tr-TR
auto-detection enabled by default
small fix
small fix
bugfix for Firefox 2 (rechecking failed)
2006-12-12: 0.7.1
changing the dictionary on a site affects all textareas, if none is focused
fixed bug where the spellcheck UI would contain duplicated dictionary entries
2006-12-09: 0.7
automatically remember the dictionary when it has been changed manually for a site
don’t turn off auto-detection when the dictionary has been changed manually
predicate that the language was automatically detected only if it actually succeeded
2006-12-09: 0.6.3
label not highlighted but made bold if the dictionary is remembered for the current site
2006-11-28: 0.6.2
don’t recheck form field after switching language, if it’s not inside of the active tab
label highlighted if the dictionary is remembered for the current site
2006-11-26: 0.6.1
recheck form field after switching language (even if spellchecking UI hasn’t been initialized yet)
2006-11-26: 0.6
recheck form field after switching language
localized: hr, hu
2006-11-09: 0.5.4
localized: da, zh-TW, es-AR, pt-BR
2006-11-06: 0.5.3
localized: nl
2006-11-06: 0.5.2
some small fixes
localized: sv-SE
2006-11-06: 0.5.1
localized: fr, it, pl, ru, sk, uk-UA, zh-CN
2006-11-05: 0.5
localized: de-DE
2006-11-04: 0.4.5
prevent memory leak
2006-11-03: 0.4.4
fixed: initialization fails when no dictionary was selected previously
2006-11-03: 0.4.3
fixed: initialization fails with blank startup page
2006-11-01: 0.4.2
some minor fixes
added support for Firefox 3.0a1
2006-10-03: 0.4.1
remember locale for sites

Comments / show all

  1. AZ wrote on May 20, 2011 05:51 PM BST ():
    Would it be possible for the dictionary icon to be displayed in the top bar near the search box, instead of the extensions bar, since FF tends to eliminate this bar to gain some screen space?
    Thank you!
  2. Joe Blow wrote on May 22, 2011 01:14 AM BST ():
    Which one is best? The version on AMO, or the one on this page (version 1.2nc): ?
  3. Dao wrote on May 22, 2011 07:46 AM BST ():
    Which one is best? The version on AMO, or the one on this page (version 1.2nc): ?
    There’s no version 1.2nc. At least I haven’t released one.
  4. Joe Blow wrote on May 23, 2011 01:28 AM BST ():
    There’s no version 1.2nc. At least I haven’t released one.
    The one from Netticat claims: “fixed: often failed with auto-detection”.
    I was wondering if it was safe/best to use this version, since it’s more recent than the one here or on AMO.

    It can be downloaded at the bottom of the page I previously linked to, under the “3rd-party add-on install” list.
  5. Alfredo Fernández wrote on June 11, 2011 02:37 AM BST ():
    Switching to FX4 I thought I’d try my dear old extensions…

    The Add-on bar is OFF by default in FX4, and having the dictionary switcher tool there forces it to be kept ON to access the tool, because it can’t be dragged to the toolbar customization dialog or up there to the new ’awesome bar’.

    Could you please fix it?
    TIA and best regards,
  6. Lena wrote on June 24, 2011 03:33 PM BST ():
    Please make the possibility in View - Toolbars - Customize to drag the Dictionary Switcher tool from the status bar (add-on bar in Firefox 5) to the top toolbar. For example, the ImgLikeOpera extension allows that.

    Thank you!
  7. Alfredo Fernández aka mrwarper wrote on June 29, 2011 09:33 AM BST ():
    I’ve revamped this in the following ways:
    -Merged with Dictionary Switcher for Fx a la Philip Chee way (see
    -Applied changes by NettiCat (switcher 1.2nc) above.
    -Added support for FireFox 4 and upwards ToolBarPalette.
    -Added a couple of new strings to the locales set. (tooltip & initial label)
    -Added SeaMonkey 1.x/2 support.

    If you don’t contact me in a reasonable time, I’ll publish this as dictionary-switcher-2 at AMO to supersede.
  8. MarkaPola wrote on July 10, 2011 09:43 AM BST ():
    Hi mrwrarper,

    I try to use the 1.3 version on a french firefox and does not work as expected:
    Nothing is displayed in the customization window (more exactly a blank entry is displayed). Moreover, if I drag the blank entry to the add-on bar, again nothing is displayed in the add-on bar.
    On an English firefox, it works as expected.

    To investigate, I try to update the french locale but the behavior remains the same: nothing displayed. Moreover, in the Add-ons page, the description is the english one, not the french one.
    So, I suspect some problem linked to the localization.

    By the way, how can I submit to you my french localization ?
  9. N7 wrote on July 12, 2011 10:40 PM BST ():
    Would it be possible to remove the vertical bar after the Spell Checker? In FF5 a vertical bar is fixed to the spell checker when adding via toolbar customization. Thx
  10. Mark Garlick wrote on July 20, 2011 10:50 AM BST ():
    Hi, I have installed Dictionary Switcher 1.3.1 in both Thunderbird 5 and Firefox 5. I understand that this add on is supposed to automatically detect the language when you start to type, and then change it accordingly. It does not do this at all. In thunderbird, at the bottom-right of the status bar when typing an email, the current language is selected. When I click on it, I see a menu of other languages, but there are no other options, such as ’detect dictionaries as I type’, which I saw in the screen shot.

    What am I missing?

    Thank you.
  11. Matt Hannon wrote on July 20, 2011 11:21 AM BST ():
    @Matt Garlick: try installing other dictionaries (check theme there: ).
  12. Matt Hannon wrote on July 20, 2011 09:29 PM BST ():
    *them (not theme, d’oh!)
  13. mrwarper wrote on August 12, 2011 02:54 PM BST ():
    Now (v1.3.1+) officially hosted at Mozilla Add-ons with me as developer.
    To keep spam from escalating too much, I’ve made my email available to AMO members, but not here nor there publicly. Please use it to submit translations, bug reports, questions, or any other user contributions. Will be registered at BabelZilla too at some point ;(

    Thank you.
  14. Stephan wrote on September 1, 2011 08:17 AM BST ():
    nutze TB 3.1.12. Leider bekomme ich mit dem Automatik-Tool keine automatische Auswahl der Rechtschreibprüfung. Auch das Menü, wenn ich Rechtsklick auf die Fußzeile mache, zeigt nicht die Features “auto-detect” oder “as I type”, sondern lediglich die installierten Wörterbücher (de_DE, en_GB + en_US). Danke für ein Feedback. Stephan
  15. Smitty wrote on September 28, 2011 06:39 PM BST ():
    In FF 6 I can’t find this Tool anywhere in the add-on-bar and it seems not work any more!!
  16. John wrote on October 2, 2011 08:31 PM BST ():
    Dear Mr Gottwald,

    I can confirm that even in FF 7.0.1 your excellent Dictionary Switcher is not showing up on the status bar any more. This is despite having the Status-4-Evar installed, so there is a status bar, it is just that the Switcher is not showing up any more.

    If you could possibly fix that or perhaps let people know if the Dictionary Switcher works for you, that would be truly appreciated.

    I have another PC with an older FF versions 3.5 on it and there the Dictionary Switcher works as well as it ever did since the first time I installed it.

    Sp perhaps this is just in the newer versions of FF? I am not sure. Any update from you would be excellent.

    Thanks for your time and attention.

  17. John wrote on October 2, 2011 08:38 PM BST ():

    I just discovered this after my above post. If the Dictionary Switcher does not show up at first do this:

    1. View -> Toolsbars -> Customize

    2. Look for the “Spell Checker”

    3. Drag that to any bar you like to have it at.

    4. Done. Now you have the Dictionary Switcher back. If you like to have it in the status bar that used to be in FF 3, 4, etc get the Status-4-Evar extension and choose it from the Options. Like that you can also have the Dictionary Switcher in the status bar bottom right where you most probably are used to having it.

    5. Thanks Mr Gottwald for this still working excellent extension. I can confirm this works on FF 7.0.1, portable and installed. THANKS!!!!
  18. Ronald wrote on February 14, 2012 10:39 PM GMT ():
    I am trying to work with Dictionary-Switcher 1.3.1, a “featured” add-on extension this month. I keep installing it and it keeps wanting to re-install but never opens. Futhermore I have no idea how to manually open the Dictionary Switcher if I need to translate a single word in a document I am working on. Please advise, thanks.
  19. Ronald wrote on February 14, 2012 10:44 PM GMT ():
    My apologies- I further should advise that the “featured” add-on extension applies to FireFox should this not be clear- I am using version 10. Sorry and thanks again.
  20. Tom wrote on April 25, 2012 06:09 PM BST ():
    Hi Dao, thanks for your add-on it is really helpful.
    However, two little remarks:
    1. Can you change the “Spell Checker” name in the customize bar dialog to something which can be referred to this extension, e.g. “Dictionary Switcher” or something similar? It is really confusing and keeps people from using your extension (see also comments above).
    2. Can you replace the “auto:” with a symbol, so it takes less place on the add-on bar? Ideally there should be two symbols one for auto and one for manual, so the icons on your add-on doesn’t “hop” so much when switching mode.

    And a really nice feature would be to use flags instead of the name code, i.e. the US-flag instead of en-US and so on…

Comments are closed.

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