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How to choose your preferred languages for multilingual web pages.

Firefox gives you control over two different types of language settings: *'''Display language''' — the language used for Firefox’s menus, settings, and interface *'''Website translation''' — automatic or optional translation prompts for websites in other languages *'''Preferred content languages''' — used to choose the language of multilingual websites (when available) These are managed in '''separate parts of Firefox Settings''', and they can be used together or independently. {note}To change the language for Firefox’s menus, notifications and interfaces, see [[Use Firefox in another language]].{/note} __TOC__ =Change Firefox’s display language (menus and UI)= You can use Firefox in another language by installing a '''language pack''' or by using your operating system’s language setting (macOS and Linux). {for win,linux} #[[Template:optionspreferences]] #{for not fx152}In the {menu General} panel, go down to {menu Language}{/for}{for fx152}Select {menu Languages} on the left{/for}. #Under {for not fx152}{menu Language}{/for}{for fx152}{menu Browser language}{/for}, click {for not fx152}{button Set Alternatives}{/for}{for fx152}on the {menu Fallback language} menu{/for}. #Choose your preferred language from the dropdown menu. #Click {button OK}, then {button Restart Firefox} to apply the change.{note}'''Tip:''' If your language isn't listed, click {button Search for more languages} to download and install a language pack.{/note} #;{for not fx152}[[Image:firefoxlanguagedisplay]]{/for}{for fx152}[[Image:fx152browserlanguage]]{/for} {/for} {for mac} Firefox uses the system language by default.<!-- update for fx152?--> {for not fx152} To change it: #[[Template:optionspreferences]] #In the {menu General} panel, go down to {menu Language & Region}. #Add or drag your preferred language to the top of the list. #Restart Firefox. {note}'''Note:''' Language packs are not used on macOS. Firefox follows the system language.{/note} {/for} {/for} =Set preferred website content languages= Some websites support multiple languages. Firefox can request your preferred languages when sites offer localized content. To manage this list: #[[Template:optionspreferences]] #{for not fx152}In the {menu General} panel, go down to {menu Language}{/for}{for fx152}Select {menu Languages} on the left{/for}. #{for not fx152}Click {button Choose} next to {menu Choose your preferred language for displaying pages}{/for}{for fx152}Go to {menu Website language}{/for}. #{for not fx152}In the popup:{/for}{for fx152}Click the + icon.{/for} #*Use {button Add} to select more languages #*Use {button Remove} to delete unwanted entries #*Use {button Move Up / Move Down} to change priority #Click {button OK}. #;{for not fx152}[[Image:firefoxlanguagedisplaysettings]]{/for}{for fx152}[[Image:fx152websitelanguage]]{/for} Firefox will use the top-listed language when available. If not, it checks the next in the list. {note}'''Note:''' This language list is shared with websites, who may try to use it for fingerprinting. Choose carefully what to include and try to limit the number of languages.{/note} =Troubleshooting common issues= ==I still see websites in the wrong language== *Check your preferred content language list *Clear site-specific cookies that may be remembering language settings: *#Go to the site. *#Click the {for not fx149} lock [[Image:IG lock]]{/for}{for fx149} shield [[Image:Fx149UnifiedTrustIcon-Secure]]{/for} icon and click {menu Clear cookies and site data}. ==Firefox says it can’t update languages== This may be caused by: *Network restrictions (firewall or proxy) *Corrupted language pack *Permission issues on your system Try these fixes: *Disable your firewall or proxy temporarily *Restart Firefox as administrator (Windows) *Remove and re-add the language pack =Related articles= *[[Use Firefox in another language]] *[[Clear cookies and site data in Firefox]] *[[Troubleshoot and diagnose Firefox problems]]