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Firefox 29:How to split/hide the icon in toolbar?

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In firefox 29, How to split/hide the icon in toolbar just like chrome? in chrome, i can resize the toolbar icons by drug the toolbar sperartor, and an drop menu can show the hidden icons. but in firefox's new UI, there is no way to do this.

And, how can i enter safe-mode of firefox by command line like previous version?

   command line >> firefox -safe-mode (no logger working)
In firefox 29, How to split/hide the icon in toolbar just like chrome? in chrome, i can resize the toolbar icons by drug the toolbar sperartor, and an drop menu can show the hidden icons. but in firefox's new UI, there is no way to do this. And, how can i enter safe-mode of firefox by command line like previous version? command line >> firefox -safe-mode (no logger working)

All Replies (2)

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Try go to customize tab, there you can set separetors, hide/unhide icons, just go to Menu bar(Press F10 or Alt to unhide), then go to View >> Toolbars >> Customize:

You can see some command lines here:

Modified by Diego Victor

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Use firefox.exe -safe-mode instead of just firefox -safe-mode