How to clear the Firefox cache

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  • Revision id: 57990
  • Created:
  • Creator: sillysocks
  • Comment: Clarified description to specify cache is from websites you visit
  • Reviewed: Yes
  • Reviewed:
  • Reviewed by: AliceWyman
  • Is approved? Yes
  • Is current revision? No
  • Ready for localization: Yes
  • Readied for localization:
  • Readied for localization by: AliceWyman
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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. In the Menu bar at the top of the screen, click Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button Fx89menuButton and select Settings.
  2. Select the Advanced panel.
  3. Click on the Network tab.
  4. In the Offline Storage section, click Clear Now.
    Clear Cache Win1Clear Cache Mac1Clear Cache Lin1
  5. Close the Settings page. Any changes you've made will automatically be saved.
  1. In the Menu bar at the top of the screen, click Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button Fx89menuButton and select Settings.
  2. Select the Advanced panel.
  3. Click on the Network tab.
  4. In the Cached Web Content section, click Clear Now.
    Clear Cache Win1 fx11Clear Cache Mac1 fx11Clear Cache Lin1 fx11
  5. Close the Settings page. Any changes you've made will automatically be saved.

Automatically clear the cache

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

  1. In the Menu bar at the top of the screen, click Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button Fx89menuButton and select Settings.
  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.Clear Cache Win2Clear Cache Mac2Clear Cache Lin2
  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, click the check mark box next to Cache.Clear Cache Win3Clear Cache Mac3Clear Cache Lin3
  7. Click OK to close the Settings for Clearing History window.
  8. Close the Settings page. Any changes you've made will automatically be saved.