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How to disable Firefox form generating a thumbnail on the tab when open an image url.

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Hello, I have recently installed Firefox 33.1 and noticed that, when I open an image on a new tab, some of them will show a thumbnail of the image I opened on the tab, while others don't. I am wondering, if there is a way to stop Firefox from making these thumbnails? Thanks.

Hello, I have recently installed Firefox 33.1 and noticed that, when I open an image on a new tab, some of them will show a thumbnail of the image I opened on the tab, while others don't. I am wondering, if there is a way to stop Firefox from making these thumbnails? Thanks.

Chosen solution

You can set that via this pref on the about:config page.

  • browser.chrome.image_icons.max_size
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All Replies (4)

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Do you have an example where this is not happening?

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Feels like if an image is larger than around 1000 pixel on one side, it won't have a thumbnail. For example:1500*1500, 1362*768 don't have a thumbnail, while 1024*768 do.

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Chosen Solution

You can set that via this pref on the about:config page.

  • browser.chrome.image_icons.max_size
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That did disabled the icon. Thanks!