You can change your font size in Signal on the secure-messaging platform's desktop, Android, and iPhone apps.

If you find that a text in Android is either too big or too small, don't fret, it's a guide to changing the font size.

For some, the subtitle font and captions in Firefox’s Picture in Picture mode are too small. We explain how to make the font bigger.

You can even change the color of the font. How to change iPhone Lock Screen font After updating to iOS 16, long-press on the iPhone lock screen. This opens the new Lock Screen gallery.