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The Chrome browser supports assistive technology including some screen readers and magnifiers. It offers people with low vision a number of tools, including full-page zoom and high-contrast color. In addition, Chrome Extensions are extra features and functionality that you can easily add to your Chrome browser to customize it with functionality you need. There are many extensions which improve accessibility or which help developers create accessible web applications, such as ChromeVox, ChromeShades, and ChromeVis.

Full Page Zoom

In order to increase or decrease the zoom level of the currently displayed web page, you can use either the keyboard shortcuts (see table below) or access ‘Zoom->Larger/Normal/Smaller’ in the Chrome Page menu.

Page zoom level will be remembered for each unique domain, e.g. if you increase zoom for Google Search (http://www.google.com), zoom level will also be increased for Google Calendar (http://www.google.com/calendar). However, since Gmail (http://mail.google.com) is on a different domain, zoom level will remain unchanged in this example.

Shortcut	Action
Ctrl++	Increase zoom level.
Ctrl+-	Decrease zoom level.
Ctrl+0	Set zoom level to default level.

Adjusting Font Face and Size

There are a number of ways to adjust your font settings. Chrome natively supports changing of Fonts and Languages, including setting font face and size for:

• Serif Font
• Sans-Serif Font
• Fixed-width Font

To access these settings, open the Google Chrome Options, select the Under the Hood tab and click the Fonts and Languages button. The dialog that opens allows you to adjust your font settings (note: there is an open bug (1040) to allow these settings to override fonts specified in web pages).

In addition, there are a variety of Chrome Extensions that can be used to modify various font properties:

Change Colors
Optional font family and font size configuration
Ability to add new custom fonts

Minimum Font
Allows you to set the minimum font size on all web pages

Zoomy
Changes zoom level according to resolution & browser size.

For more information on Google Chromes accessibility features please click here.

Overriding Page Fonts

Some websites may display text in fonts that are difficult to read, and other sites may rely on the browser's default fonts. You can set your default fonts by going to Tools > Options, Edit > Preferences or Firefox > Preferences depending on platform, selecting the Content panel, and selecting a default font and size in the Fonts & Colors section.

You can specify default fonts for different styles, including serif, sans-serif, and monospace by clicking the Advanced button. However, many web pages specify their own fonts, so your choices will have no effect on such pages. To override the fonts defined by such pages, uncheck the Allow pages to choose their own fonts, instead of my selections above optionpreference.

Note that some web pages may display incorrectly depending on your choice of a default font.

Setting a Minimum Font Size

Some websites may display text which is too small to read comfortably. To make such pages easier to read, you can set a minimum font size. On web pages that try to display text smaller than this size, Firefox will enlarge the text to your chosen size.

To set a minimum font size, go to Tools > Options, Edit > Preferences or Firefox > Preferences (depending on platform), select the Content panel, and click the Advanced button in the Fonts & Colors section. You can specify a minimum font size from the dropdown menu.

Note that some web pages may display incorrectly depending on your choice of a minimum font size.

Resizing Page Text

• Press Ctrl or command (depending on platform) + + to increase the text size.
• Press Ctrl or command (depending on platform) + - to decrease the text size.
• Press Ctrl or command (depending on platform) + 0 (zero) to reset the text size to the web page's default size.

Note that some web pages may display incorrectly if you increase or decrease the text size.

Overriding Page Colors

Some websites may display text and background colors that are difficult to read, and other sites may rely on the browser's default colors. You can set your default colors by going to Tools > Options, Edit > Preferences or Firefox > Preferences (depending on platform), selecting the Content panel, and clicking the Colors button in the Fonts & Colors section. You can set default text and background colors, as well as default colors for visited and unvisited hyperlinks. You can also specify whether hyperlinks should be underlined.

However, many web pages set their own colors, so your choices will have no effect. To override the colors defined by web pages, uncheck the Allow pages to choose their own colors, instead of my selections above optionpreference.

Zoom in and out

Firefox allows you to zoom the browser screen in and out by using the following shortcuts:

Zoom In Ctrl+Scroll up Zoom Out Ctrl+Scroll down

Click here for more accessibility in formation on Mozilla Firefox

Zoom in on a webpage

Make everything on a webpage easier to see by zooming in, or enlarging the whole page including images and text. You can zoom from 10% to 1000%. To change the zoom level, on the bottom right of the Internet Explorer screen, click the arrow next to the Change Zoom Level button. Or, to quickly zoom using the keyboard, Press CTRL + PLUS SIGN (+) to zoom in, or CTRL + HYPHEN (-) to zoom out. You can also change the size your webpage is displayed using the Tools menu in Internet Explorer 9. You can select a size option for each webpage you open. To access this option, click the Tools icon in Internet Explorer 9, then select, Zoom, and then select the size option you want.

Change the font size, formatting, and screen colors

To make webpages easier to see, you can change the font type and size, and the foreground and background colors that are used to display webpages. You can also specify the color used for links in webpages, and override colors used on webpages. To make these changes, select Internet Options from the Tools menu in Internet Explorer 9 Then, select one of the buttons at the bottom of the dialog box: Fonts—to change the font type and size used on webpages. Colors—to change the font colors used on webpages. Accessibility—to make Internet Explorer ignore colors, font styles and font sizes used on webpages, or to format webpages using your own stylesheet.

Improve the legibility of printed webpages

To make text on webpages stand out more clearly from background colors and images when you print the pages, you can prevent the background colors from printing. To stop printing background colors and images, open Internet Explorer, then click the Tools button, point to Print, and then click Page setup. Under Paper Options, clear the Print Background Colors and Images checkbox, and then click OK. For more information on Internet Explorer 9 accessibility please click here.

Zoom in on a webpage

Make everything on a webpage easier to see by zooming in, or enlarging the whole page including images and text. You can zoom from 10% to 1000%. To change the zoom level, on the bottom right of the Internet Explorer screen, click the arrow next to the Change Zoom Level button. Or, to quickly zoom using the keyboard, Press CTRL + PLUS SIGN (+) to zoom in, or CTRL + HYPHEN (-) to zoom out.

Change the colors and fonts used for webpages

To make webpages easier to see, you can change the font type and size, and the foreground and background colors that are used to display webpages. You can also specify the color used for links in webpages, and override colors used on webpages. To make these changes, select Internet Options from the Tools menu in Internet Explorer 8 Then, select one of the buttons at the bottom of the dialog box: Fonts—to change the font type and size used on webpages. Colors—to change the font colors used on webpages. Accessibility—to make Internet Explorer ignore colors, font styles and font sizes used on webpages, or to format webpages using your own stylesheet.

Improve the legibility of printed webpages

To make text on webpages stand out more clearly from background colors and images when you print the pages, you can prevent the background colors from printing. To stop printing background colors and images, open Internet Explorer, then click the Tools button, point to Print, and then click Page setup. Under Paper Options, clear the Print Background Colors and Images checkbox, and then click OK. For more information on Internet Explorer 7 and 8 accessibility please click here.