Signal, an encrypted messaging service, lets you change the font size of the app's display and messages. You can change your font size in Signal on the platform's desktop, Android, and iPhone apps.

If you’re straining to read this, you might need to adjust your screen or font size. Learn how to change the settings on your desktop, tablet, or phone, and ease your eyes. I saw my client squint at ...

WhatsApp has rolled out a new feature for desktop version that would enable users adjust the font size as per their preference, according to Wabetainfo. A new option to adjust text size will appear ...