From the Menu Bar, select View.
Scroll to Text Size and choose your preference. Netscape From the Menu Bar, select View.
Scroll down to Text Zoom and choose your preferences.
From the Firefox Menu Bar select View>Text Size>Increase.
This will cause the text to display on the web page one size larger. However this is a temporary change.
To make a permanent font size change:
From the Firefox Menu Bar, select Tools>Options.
Click on General.
Click on Fonts and Colors.
Set the font sizes. Minimum font size can also be set.
From the Menu Bar, select Edit>Preferences.
Double click Appearance and select Fonts.
On the right panel set the font sizes. Minimum font size can also be set.
From the Safari menu, select Preferences.
Click Appearance.
To change the standard font or fixed-width font used in pages, click the appropriate Select button.
Change the font size using the slider bar.
Alternatively, some browsers allow you to change the text size using the keyboard:
‘Ctrl’ key and - (for smaller)
‘Ctrl’ key and + (for larger)
‘Ctrl’ key and 0 (for default size)