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About Big Font (change font size/display size)

Does the default system font look too small or too large? Do you want to globally change the text size?

This app allows you to scale system font size from 20% (smaller) to 1000% (bigger).

*** Over 3,000,000 Downloads! ***

FEATURES
★ change display zoom ratio on Android 7.0 or greater devices
★ turns your device into a magnifying glass by using camera zoom, auto-focus and LED flash
★ working for Android 2.3 and greater devices
★ scale system font size from 20% to 1000%
★ preview the scaled text before applying
★ show a notification icon describing the current font size. An option is also provided to hide it
★ switch system font size via tapping the notification
★ customized the font size scale value
★ Android 4+ only provides 3 scaling values, we provide more
★ for Android 2.3~3.x users. You can add "not working" apps into the ignored apps list

PERMISSIONS
• CAMERA: used for the magnifier function
• BIND_ACCESSIBILITY_SERVICE: this app uses Accessibility services to automate the function (e.g. change display size), optional. It helps those who have difficulty in tapping and complete the task easier
• WRITE_SETTINGS: change the font size, prevent the screen rotation during the automatic function
• SYSTEM_ALERT_WINDOW: draw a wait screen above other apps during the automatic function

PRO VERSION
You can upgrade to PRO version by purchasing a PRO license from Google Play. PRO version adds the following additional features:
★ no ads
★ unlimited font scaling values
★ 251%~1000% font size

We have been selected as a Google I/O 2011 Developer Sandbox partner, for its innovative design and advanced technology.

If you are interested in helping us to translate this app to your native language, please let me know. Thanks.

Credits:
Arabic - Ibrahim almamo
Danish - Christian Stangegaard Kappelgaard
Dutch - Niko Strijbol
French - Alex...
German - Michel Müller
Italian - Michele Mondelli
Japanese - Yuanpo Chang
Polish - Dawid Zieliński
Portuguese brazilian - Wagner Santos
Russian - Идрис a.k.a. Мансур (IDris a.k.a. MANsur), Ghost-Unit
Spanish - Tomás de la Puente López
Turkish - Kutay KuFTi
Vietnamese - Nguyễn Trung Hậus

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Frequently Asked Questions(FAQ)

Does this app allow you to change the system font size?

Yes, this app allows you to scale the system font size from 20% to 1000%.

Can I change the display zoom ratio with this app?

Yes, you can change the display zoom ratio on Android 7.0 or greater devices.

Does this app work on Android 2.3 and greater devices?

Yes, this app works for Android 2.3 and greater devices.

Is there a preview feature to see the scaled text before applying it?

Yes, you can preview the scaled text before applying it.

Does this app provide more scaling values than the default Android settings?

Yes, this app provides more scaling values than the default Android settings.

What permissions does this app require?

This app requires permissions for the camera (used for the magnifier function), bind accessibility service (optional, used to automate functions), write settings (to change the font size), and system alert window (to draw a wait screen during automatic functions).

What additional features are available in the PRO version of this app?

The PRO version of this app offers no ads, unlimited font scaling values, and font sizes ranging from 251% to 1000%.

Can I help translate this app to my native language?

Yes, if you are interested in translating this app to your native language, please let us know.