How to clear the Firefox cache

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  • Revision id: 21845
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  • Creator: Verdi
  • Comment: updated for new cache settings in Fx 11
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  • Reviewed:
  • Reviewed by: Verdi
  • Is approved? Yes
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  • Readied for localization by: Verdi
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The Firefox cache temporarily stores images, scripts, and other parts of websites while you are browsing. This article describes how to clear the Firefox cache.

  • To clear your history (i.e. cookies, browsing history, cache, etc.) all at once, see Clearing private data.


Clear the cache

  1. At the top of the Firefox window, click on the Firefox button and then select Options.At the top of the Firefox window, click on the Tools menu and then select Options.On the menu bar, click on the Firefox menu and select Preferences....At the top of the Firefox window, click on the Edit menu and select Preferences.

    Click the menu button New Fx Menu and choose Options.Preferences.

  2. Select the Advanced panel.
  3. Click on the Network tab.
  4. In the Offline Storage section, click Clear Now.
    2bd0b316b0ef6a181452357b0f563477-1270320067-928-1.jpg f49b2eeaca4757e02058bd6cf6e8f4b7-1246122498-344-2.jpg f49b2eeaca4757e02058bd6cf6e8f4b7-1266972965-411-2.jpg
  5. Click OK to close the Options window.Click Close to close the Preferences window.Close the Preferences window. Close the about:preferences page.

  1. At the top of the Firefox window, click on the Firefox button and then select Options.At the top of the Firefox window, click on the Tools menu and then select Options.On the menu bar, click on the Firefox menu and select Preferences....At the top of the Firefox window, click on the Edit menu and select Preferences.

    Click the menu button New Fx Menu and choose Options.Preferences.

  2. Select the Advanced panel.
  3. Click on the Network tab.
  4. In the Offline Storage section, click Clear Now.
    Clear Cache Win1 Clear Cache Mac1 Clear Cache Lin1
  5. Click OK to close the Options window.Click Close to close the Preferences window.Close the Preferences window. Close the about:preferences page.

  1. At the top of the Firefox window, click on the Firefox button and then select Options.At the top of the Firefox window, click on the Tools menu and then select Options.On the menu bar, click on the Firefox menu and select Preferences....At the top of the Firefox window, click on the Edit menu and select Preferences.

    Click the menu button New Fx Menu 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 Win1 fx11 Clear Cache Mac1 fx11 Clear Cache Lin1 fx11
  5. Click OK to close the Options window.Click Close to close the Preferences window.Close the Preferences window. Close the about:preferences page.


Automatically clear the cache

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

  1. At the top of the Firefox window, click on the Firefox button and then select Options.At the top of the Firefox window, click on the Tools menu and then select Options.On the menu bar, click on the Firefox menu and select Preferences....At the top of the Firefox window, click on the Edit menu and select Preferences.

    Click the menu button New Fx Menu 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.

    0fe4dbec9d60196f4d2380c648cfed1b-1259382275-299-2.png
    Clear Cache Win2 Clear Cache Mac2 Clear 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.

    0fe4dbec9d60196f4d2380c648cfed1b-1259382275-299-3.png
    Clear Cache Win3 Clear Cache Mac3 Clear Cache Lin3
  7. Click OK to close the Settings for Clearing History window.
  8. Click OK to close the Options window.Click Close to close the Preferences window.Close the Preferences window. Close the about:preferences page.

  1. At the top of the Firefox window, click on the Firefox button and then select Options.At the top of the Firefox window, click on the Tools menu and then select Options.On the menu bar, click on the Firefox menu and select Preferences....At the top of the Firefox window, click on the Edit menu and select Preferences.

    Click the menu button New Fx Menu and choose Options.Preferences.

  2. Select the Privacy panel.
  3. In the Private Data section, click to select Always clear my private data when I close Firefox.
    • If Ask me before clearing private data is selected you will be prompted to clear the cache each time you close Firefox. Do not select it if you want Firefox to clear the cache automatically.
  4. In the Private Data section, click Settings.... Click to select Cache.