in Firefox, Internet Explorer or Netscape 7 select Apple and + (plus) to increase the text size and Apple and - (minus ) to decrease the text size in Opera for OS 8 and 9, select Apple + Y .  Click on Fonts and colors or use the down arrow to select it. Click in the box next to Minimum font size (pixels) or use Tab until the box is highlighted and enter a minimum font size in Opera 8 / 9 for OS X select Apple + , (comma). Click on the Web pages tab or select Alt + Tab until the Web pages tab is selected. Click on the Page Zoom option box and select your zoom size or use the Tab key twice to select the page zoom option box and use the up and down arrow keys to select your zoom size. in Safari click on the View menu with the mouse. Click on Make Text Bigger or Make Text Smaller to change the font size In Linux this is done in different browsers by: in Firefox open the View menu with the mouse or by selecting Alt + V . Click Text Size . Click on Increase or Decrease to change the text size or use the right arrow to expand the Text Size menu options and use the up and down arrow to select Increase or Decrease and then select Enter in Konqueror select Ctrl and + (plus) to increase the text size and