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Adjustable Text Size

Making text sizes larger or smaller as needed can benefit readers of different ages and those with visual impairments. Having the ability to easily change the text size means that readers can use larger print if it is late in the day and their eyes are tired, and return to a smaller print the next morning. It also means that readers with visual impairments and dyslexia can easily find settings that support their needs.

A tab for adjusting text settings including text size, line spacing, letter spacing, and font pops up over an article in a digital reading environment.

Research

Related Guidelines

The features of the CISL tools are related to existing guidelines and best practices, including the Web Content Accessibility Guidelines (WCAG) and the Universal Design for Learning (UDL) Guidelines. The feature of adjustable text size is connected to:

Web Content Accessibility Guidelines (WCAG)

Universal Design for Learning (UDL) Guidelines

Adjustable text size examples  

On desktop web browsers and other applications, font size can often be increased by using control-+ or ⌘-+ In some cases this will increase the size of images as well.

Microsoft Immersive Reader allows users to change font size for any document within a variety of Microsoft applications.

Explore what GPII Developer Space compiled for more examples of and research about adjustable text size.