Magnifying Glass (Hover Zoom) от Glin

Magnifying Glass (Hover Zoom) is a lite addon that enables you to magnify a portion of any webpage with click of a button.

Simply click on the toolbar button once to see the magnifying glass. Then move your mouse to see the magnified page within a circular section. If you want to hide the magnifier, simply click on the toolbar button once or click anywhere in the page. This addon has also an options page to adjust magnifier zoom level and coverage area. Moreover, toolbar button serves as an ON|OFF switch to turn the addon ON or OFF.

Note 1: when you first install the addon, it is turned off. Please click on the toolbar button once to activate the addon. Toolbar icon is red when the addon is active and grey when it is inactive.

Note 2: if you want to change the zoom level, please visit addon's options page.

Note 3: in order to report bugs, please fill the bug report form in the addon's homepage.

Review on YouTube: https://www.youtube.com/watch?v=t-6p8hK5wU0