How to clear the Firefox cache

Revision Information
  • Revision id: 126399
  • Created:
  • Creator: nitrous
  • Comment: Added an alternate and quicker method
  • Reviewed: Yes
  • Reviewed:
  • Reviewed by: Chris_Ilias
  • Is approved? No
  • Is current revision? No
  • Ready for localization: No
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The Firefox 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.

Clear the cache

  1. Click the menu button New Fx Menu Fx57Menu and choose Options.Preferences.
  2. Select the Advanced panel.
  3. Click on the Network tab.
  4. In the Cached Web Content section, click Clear Now.
    clear cache incontent
  5. Close the about:preferences page. Any changes you've made will automatically be saved.

Alternate Method

A quicker method to clear the cache is to simply type Ctrl+Shift+Del bringing up the following menu:

Clear Cache via Clear All History Menu

Automatically clear the cache

You can set Firefox to automatically clear the cache when Firefox closes:

  1. Click the menu button New Fx Menu Fx57Menu and choose Options.Preferences.
  2. Select the Privacy panel.
  3. In the History section, set Firefox will: to Use custom settings for history.
  4. Select the check box for Clear history when Firefox closes.
    always clear in content clearhistorywhenFXclosesfx42
  5. Beside Clear history when Firefox closes, click the Settings… button. The Settings for Clearing History window will open.
  6. In the Settings for Clearing History window, put a check mark next to Cache.
    clear settings incontent SettingsForClearingHistory SettingsForClearingHistoryFX42bd
  7. Click OK to close the Settings for Clearing History window.
  8. Close the about:preferences page. Any changes you've made will automatically be saved.

Tip: There are several add-ons available that will allow you to clear the cache using an icon on your toolbar. Go to the Mozilla Add-ons Web Page to do a search.

The Mozilla community is not responsible for maintaining and supporting third-party add-ons. Please contact the add-on developer directly if you need assistance with an add-on.