While installing some applications toolbars will be automatically installed, this will be so annoying if your browser has so many toolbar on it. There are certain ways to get ret rid of them, just follow the below solutions.
In Firefox you can go to Tools, click on Add-ons, select extensions, choose the toolbar which want to remove and click on “Remove” button. This will complete uninstall the selected toolbar from the browser, but if you just need to hide a toolbar then go to View, select “Toolbars” and deselect the toolbar which is unwanted.
To remove unwanted toolbars from internet explorer, go to start, click control panel, select Add or remove programs, select the toolbar which you want to uninstall and click on “Remove” button.