Hold down the Ctrl key (Command key on a Macintosh) and press the + or – key to increase or decrease the text size, and 0 to go back to the default size.
Zoom in and out using the mouse scroll wheel (Ctrl + Alt + mouse scroll wheel).
On a smartphone or a tablet, you can zoom in or out simply by pressing the screen with 2 fingers, moving away to zoom in (i.e. to enlarge) and moving toward to zoom out (i.e. to reduce).
On web browsers
You may also change the text size from the menu. Choose from the following web browsers for specific instructions:
Firefox
Click on ‘View’ and select ‘Zoom’ in the drop-down menu, select ‘Zoom Text Only’.
Or you may click the ‘Menu’ icon and select + or – to zoom in or out.
Google Chrome
Click on the ‘Page Menu’ at the top right, select ‘Zoom’, then ‘Larger / Smaller’.
Internet Explorer / Edge
Click on the ‘View’ menu, select ‘Text Size’ then choose your preference.
Or you may click on the ‘IE Settings’ icon, select ‘Zoom’, then ‘Zoom in’ or ‘Zoom out’.
Safari
Click on the ‘View’ menu, select ‘Make Text Bigger’ or ‘Make Text Smaller’.
2.Text to Speech
Mac
Click on ‘Apple’ menu, select ‘System Preferences’, select ‘Accessibility’ then ‘Speech’, check the box of ‘Speak selected text when the key is pressed’, follow the instruction on screen to enable the feature.
Windows
Press ‘Windows’ key + U or click the ‘Start’ button, turn on ‘Narrator’, follow the instruction on screen to enable the feature.
Smartphone and Tablet
iOS
Open ‘Accessibility Settings’ (Settings > General > Accessibility). Under the ‘Vision’ section, tap on ‘VoiceOver’. Tap on the toggle switch to the right to activate ‘VoiceOver’.
Android
Tap on the ‘Settings’ icon, then tap on ‘Accessibility’, Under the ‘Services’ section, tap on ‘TalkBack’, On the ‘Select to Speak’ screen, tap on the toggle switch to the right of ‘Off’ to activate ‘TalkBack’.
3.Change Color
Firefox
Click on menu, then select Preferences. Under the ‘Language and Appearance’, tap on ‘Colors…’ and pick a color.
Internet Explorer / Edge
Select the ‘Tools’ button then click ‘Internet options’. Select the ‘General’ tab, and select ‘Colors’ under ‘Appearance’. For each color that you want to change, select the color box, select a new color, then select ‘OK’.
4.Invert Color
iOS
Open the ‘Accessibility Settings’ (Settings > General > Accessibility). Under the ‘Vision’ section, tap on ‘Display Accommodations’. Tap on ‘Invert Colors’. Tap on the toggle switch for the mode of ‘Invert Colors’ you would like to use:
‘Smart Invert’ – Reverses all screen colors except images, video and some apps that have a dark interface.
‘Classic Invert’ – Reverses all screen colors including images and video.
Android
Tap on the ‘Settings’ icon and tap on ‘Accessibility’. Scroll down to ‘Color inversion’ under the ‘Display’ section. Tap the toggle switch next to ‘Color Inversion’ to turn on color inversion.