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Firefox - How to change language settings?

November 2015

Firefox - How to change language settings?

If for some reason you want to change the Firefox language (without re-installing the web browser):

Method 1

  • In the address bar of Firefox, type 'about: config' then press "enter" to access the options of Firefox.
  • In the search bar just below, enter the following string: general.useragent.locale
  • Right-click it and click on "Modify", then enter "en-US" to set it to English.
  • Here's a list of the different language codes:
  • Confirm with OK and restart your browser.

Method 2

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See also

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Original article published by Strik-Strak. Translated by deri58.
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