I use '''''Default FullZoom Level''''' add-on to allow for different magnification levels on different pages depending on the font that the page uses. *https://addons.mozilla.org/en-US/firefox/addon/default-fullzoom-level/ How to use: After installation and re-starting Firefox, to get the "T100%/F100%" icon in the Add-on Bar at the bottom, do the following: #be sure the Add-on Bar is showing be sure "Add-on Bar" is checked; click to check or un-check (Firefox button > Options '''''OR''''' View > Toolbars (if using the Menu Bar) '''''OR''''' right-click in the blank space at the end of the Tabs Bar) #Open the Customize window #*Firefox button > Options > Toolbar Layout '''''OR''''' View > Toolbars > Customize (if using the Menu Bar) '''''OR''''' right-click in the blank space at the end of the Tabs Bar and click Customize #While the Customize window is open, locate and drag the DFZL icon to the tab bar. #Click "Done" at the bottom right of the Customize window. Be sure to read all information about it functions on the add-on page above. You can also set a default zoom %-age in it options (Add-ons > Extensions, click Options next to DFZL). You can use the scroll wheel on the mouse when your cursor is over the DFZL icon on the Add-on Bar. You can change Text only zoom (T100%) to Full zoom (F100%) by right-clicking the Add-on Bar icon and back by right-clicking again. Great Add-on! '''If this reply solves your problem, please click "Solved It" next to this reply when <u>signed-in</u> to the forum.''' ------------------------- Not related to your question, but... You need to update some plug-ins: *Plug-in check: https://www-trunk.stage.mozilla.com/en-US/plugincheck/ *Adobe Shockwave for Director Netscape plug-in: [https://support.mozilla.com/en-US/kb/Using%20the%20Shockwave%20plugin%20with%20Firefox#w_installing-shockwave Installing ('''''or Updating''''') the Shockwave plugin with Firefox] *Shockwave Flash (Adobe Flash or Flash): [https://support.mozilla.com/en-US/kb/Managing%20the%20Flash%20plugin#w_updating-flash Updating Flash in Firefox]