Google gives its users a great deal of customization ability when crafting an email, such as changing the size of the text, or font, you use to write the message. By default, Google sets the font size ...

You can't change the actual font on your iPhone, but you can change the font size in a couple of different ways, especially ...

You can change the font in Google Chrome through the settings menu, and customize the look of your browser.

You can now tweak the font size within Gboard. This feature was available in beta, and it's now a part of the stable channel ...

Besides a pill-shaped tweak for the Suggestion strip, Gboard’s next visual change is a dedicated keyboard Font size setting.