The desktop directions apply to Firefox version 79 and newer.Update to the latest version of Firefoxto follow along.
Directions for clearing the Firefox cache on a phone or tablet are in the next section.
On a Mac, bring up the Firefox menu and choosePreferences.
Or, on a Windows or Mac computer, enterabout:preferencesin a new tab or window.
If Options isn’t listed in the menu, selectCustomizeand dragOptionsfrom the list ofAdditional Tools and Featuresover to theMenu.
Select thePrivacy & SecurityorPrivacytab on the left.
In theHistorysection, chooseClear History.
If you don’t see that link, change theFirefox willoption toRemember history.
Change it back to your custom setting when you’re done.
In theHistorysection, scrub the checkboxes for everything exceptCache.
If you want to clear other stored data, like the browsing history, snag the appropriate checkboxes.
These are cleared with the cache in the next step.
Don’t see anything to check?
opt for arrow next toDetails.
SelectOKorClear Nowto delete everything you checked in the previous step.
If the internet cache is large, Firefox might hang while it finishes removing the files.
Be patientit eventually finishes the job.
Tap the three-lined hamburger menu in the lower-right corner, then tapSettings.
SelectDelete browsing dataon Android, orData Managementon iOS.
What Is the Firefox Cache?
The Firefox cache contains locally saved copies of web pages you visited recently.
