Answered By: Kristen Koob
Last Updated: Aug 02, 2016     Views: 186

If your Zotero Standalone (UI) or  Zotero for Firefox user interface UI is in a language other than English, we recommend switching it to English. The instructions below are from Zotero's Switching Langauges Guide.

  • Zotero Standalone

In Zotero Standalone, the interface language defaults to matching the operating system's language. To override this and use English instead of the operating system's language, open Preferences→Advanced→Open about:config), and set intl.locale.matchOS to false. Then restart Zotero.

  • Zotero for Firefox

By default, the user interface (UI) of Zotero (the labels of menu items, tabs, etc.) is displayed in the same language as Firefox. For example, if you download and install the French version of Firefox, your Zotero UI will automatically appear in French. If translations for a language are not available, Zotero's UI will default to US English.

To change the language of the Zotero UI, you can either use the Quick Locale Switcher Firefox add-on (see below), or follow these instructions:

  1. Type about:config into the Firefox address bar and press Enter. Dismiss the “This might void your warranty!” warning.

  2. Type “useragent” in the Filter text box. Now double-click the general.useragent.locale preference (or right-click the preference and select Modify), and enter the desired language tag (e.g. “en-US” for US English). See the chrome manifest for all available codes.

  3. Type “matchOS” in the Filter text box. If the intl.locale.matchOS preference is set to true, double-click to change it to false. Otherwise, Firefox will use your operating system's language instead of the one you just set.

  4. Restart Firefox.

Changing the value of general.useragent.locale also affects the Firefox UI, Firefox add-ons, and websites that adapt their content based on the Firefox locale.

  • Quick Locale Switcher

The Quick Locale Switcher Firefox add-on makes it easier to change the value of general.useragent.locale. After installation of the add-on (and restarting Firefox), go to the Quick Locale Switcher Options window, and check the “User Interface Language (general.useragent.locale preference)” checkbox. You can now use the popup menu of the Quick Locale Switcher to switch the Firefox locale (although you still have to restart Firefox after changing the locale). If it has no effect, you may need to change the intl.locale.matchOS preference (see above).

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