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Disable Firefox thumbnail capture for private Browsing

Mozilla Firefox has recently introduced a new feature from Firefox 13 which show  most visited tabs in the new page tab.Of course it is a old technology where you can find in many popular browsers like Opera Mini Google Chrome Dolphin and etc.But users are complaining about the capturing of tabs which are browsing in Private mode i e ., thumbnail on NTP is exposing the private data.Mozilla has fixed this in its later version Firefox 14 by excluding the capturing of thumbnails for secured websites,you can disable Firefox New Tab  Page by setting browser.newtab.URL preference to about:blank.Even though this setting prevented capturing the tabs there raised another problem with this feature.
So., Here we provided some settings to permanently stop capturing your private data on your Mozilla Browser.

How to Prevent/Stop Firefox from Capturing Thumbnails:

Just follow the steps below to stop your Firefox browser form capturing thumbnails.

Go to >New tab page

Enter about:config in the address bar

How to Prevent/Stop Firefox from Capturing Thumbnails step 1

Next right click anywhere on the page

How to Prevent/Stop Firefox from Capturing Thumbnails step 2

It looks like the image shown above

Now select the New and then Boolean

How to Prevent/Stop Firefox from Capturing Thumbnails step 3

Now enter the Boolean Preferences as browser.pagethumbnails.capturing_disabled

Finally set the value to true.

That's  it over now you can browse web without the tabs capturing in the new page tab


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