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How do I erase thumbnail cache for NEW TABS? I know how to do it by clearing cache or clicking the X buttons. But I need to be able to clear it myself manually.

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Just give me the Windows 7 filepath to the Mozilla Firefox folder that contains the thumbnails and information that belong to the "New Tab" (+) button in Firefox. I DO NOT want an answer that just tells me to clear my cache, cookies, history, offline website data, etc. I have already done that, and that is NOT what I need, because clearing everything erases things that I DO need. I will filter through and delete these items myself, I am not an idiot.

Just give me the Windows 7 filepath to the Mozilla Firefox folder that contains the thumbnails and information that belong to the "New Tab" (+) button in Firefox. I DO NOT want an answer that just tells me to clear my cache, cookies, history, offline website data, etc. I have already done that, and that is NOT what I need, because clearing everything erases things that I DO need. I will filter through and delete these items myself, I am not an idiot.

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You need to delete the thumbnails folder in the Firefox Profile Folder.

You can use this button to go to the Firefox profile folder:

  • Help > Troubleshooting Information > Profile Directory: Show Folder

You can create these Boolean prefs on the about:config page if you want to disable the thumbnails on the about:newtab page.

  • name: browser.pagethumbnails.capturing_disabled with value: true
  • name: pageThumbs.enabled with value: false