Simply press Alt+Z* to summon the magnifying glass! Then press any key to remove it.
*Ctrl+Z for MAC users by default.
The extension does not require any special permission. It just works~***
***Please note that the extension does not work in New Tab page, Chrome setting page and Chrome Web Store by default, but it will work on any other webpages.***
v.1.0.2 Change-log
+ Added option to specify a compensation factor for OS-level magnification
+ Added option to close the magnifier scope only when ESC key is pressed
v.1.0.1 Change-log
+ Added French and Chinese localizations
+ Enabled anti-aliasing by default
+ Other minor optimization
Icons made by Vectors Market from www.flaticon.com is licensed by CC 3.0 BY