Care Your Eyes: Extension that changes a webpage's background color to either reseda or night mode, to protect your eyes from harsh white or other light colors.
Firefox
Increase PC Text Size: To increase the size of text and other items on a page, press Ctrl and + to zoom in, and Ctrl and - to zoom out.
Increase Mac Text Size: To increase the size of text and other items on a page, press Command and + to zoom in, and Command and - to zoom out.
Mobile Dyslexic: Extension that replaces web page fonts with a font that is easier to read by people with dyslexia.
Internet Explorer
Increase Text Size: To increase the size of text and other items on a page, press Ctrl and + to zoom in, and Ctrl and - to zoom out.
Zoom Tool: Open Internet Explorer, select the Tools button and then select Zoom. Select a zoom level option, or select a custom level by selecting Custom and entering a zoom value.