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The Firefox cache temporarily stores parts of websites you visit. Learn how to clear it to fix issues with how websites work or look.

The Firefox [https://wikipedia.org/wiki/Web_cache cache] temporarily stores images, scripts, and other parts of websites you visit in order to speed up your browsing experience. This article describes how to clear the cache. * To clear your history (cookies, browsing history, cache, etc.) all at once, see [[Delete browsing, search and download history on Firefox]]. __TOC__ = Clear the cache = # [[T:optionspreferences]] # Select the {menu Privacy & Security} panel. # In the '''Cookies and Site Data''' section, click {button Clear Data…}. # Make sure that only the {for not fx128}'''Cookies and Site Data'''{/for}{for fx128}'''Temporary cached files and pages'''{/for} section in checked. #;{for not fx128}[[Image:Fx91CookiesAndSiteData-ClearCache]]{/for}{for fx128}[[Image:Clear temporary cached files|width=500]]{/for} #* For more information about managing site data, see [[Manage local site storage settings]]. # Click the {button Clear}{/for} button. # [[T:closeOptionsPreferences]] {note}'''Tip:''' Here's another way to clear the Firefox cache: # [[Template:fx29menu]] # Click {menu History} and select {menu Clear Recent History…}. # Next to '''Time range to clear''', choose '''Everything''' from the drop-down menu, select '''Cache''' in the items list, make sure other items you want to keep are not selected and then click the {button Clear Now}} button. See [[Delete browsing, search and download history on Firefox#w_how-do-i-clear-my-history|this article]] for details.{/note} = Automatically clear the cache = You can set Firefox to automatically clear the cache when Firefox closes: # [[T:optionspreferences]] # Select the {menu Privacy & Security} panel and go to the '''History''' section. # In the drop-down menu next to '''Firefox will''', choose {menu Use custom settings for history}. #;[[Image:Fx100Custom-ClearHistoryWhenFirefoxCloses]] # Select the check box for '''Clear history when Firefox closes'''. # Click the {button Settings…} button. The {for not fx128}''Settings for Clearing History''{/for}{for fx128}''Clear browsing data and cookies''{/for} window will open. # Put a check mark next to {for not fx128}'''Cache'''{/for}{for fx128}'''Temporary cached files and pages'''{/for} and make sure other items you want to keep are not selected. #;{for not fx128}[[Image:Fx100SettingsForClearingHistory-Cache]]{/for}{for fx128}[[Image:Clear browsing data and cookies dialog - cache|width=500]]{/for} #* For more information about other settings, see [[Delete browsing, search and download history on Firefox]]. # Click {for not fx128}{button OK}{/for}{for fx128}{button Save Changes}{/for} to close the {for not fx128}''Settings for Clearing History''{/for}{for fx128}''Clear browsing data and cookies''{/for} window. # [[T:closeOptionsPreferences]]