Screenshots
About Big Font (change font size)
Change font size across your entire device with Big Font (change font size), the app that puts text readability in your hands. If your Android device's default system font feels too small or too large, this powerful utility lets you scale text from 25% (smaller) to 500% (bigger) — giving you complete control over how you experience your phone or tablet.
Making text larger or smaller has never been more intuitive. Preview your scaled text before applying any changes, so you know exactly what you're getting. Once you find your perfect font size, a customizable notification icon displays your current scale level, letting you switch sizes with a single tap. You can hide the notification whenever you prefer a cleaner home screen.
Beyond simple scaling, Big Font transforms your device into a magnifying glass using your camera's zoom, auto-focus, and LED flash — perfect for reading small print on documents, menus, or labels without pinching and zooming. On Android 12.0 and above, adjust font weight between bold and thin styles to further personalize your reading experience. Display zoom ratio adjustments work seamlessly on Android 7.0 and later, ensuring broad device compatibility.
Customize your font size scale values to match your exact needs, whether you're adjusting accessibility settings or simply prefer larger text throughout your system. The intuitive interface makes it easy to find your ideal settings without technical knowledge.
The free version delivers everything most users need: basic font scaling, magnifier functionality, notification controls, and customizable values. For power users seeking unlimited possibilities, upgrade to the PRO version to remove ads, unlock unlimited font scaling values, set unlimited zoom ratios, access unlimited font weight options, and enable font sizes of 251% and above.
Trusted by Google and recognized as a Google I/O 2011 Developer Sandbox partner for innovative design and advanced technology, Big Font (change font size) combines thoughtful engineering with genuine accessibility. Enjoy reading on your terms — download today.
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