Big Font (change font size)

Big Font (change font size)

1,000,000 - 5,000,000 downloads

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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 50% (smaller) to 300% (bigger).

*** Over 1,000,000 Downloads! ***

★ working for Android 2.3 and greater devices
★ scale system font size from 50% to 300%
★ 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
★ No ads (PRO-only)


It may not work for all devices. Please try it and let me know (Settings > App log) if it does not work on your device.

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

KW: change system font size, change text size, font changer, large font, large text size, small font, small text 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.

Dutch - Niko Strijbol
German - Michel Müller
Japanese - Yuanpo Chang
Russian - Идрис a.k.a. Мансур (IDris a.k.a. MANsur), Ghost-Unit
Spanish - Tomás de la Puente López

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Recently changed in this version

★ bugs fixed and optimization

★ fixed: failed to install on some devices

★ new Japanese localization
★ fixed: About pages shows characters incorrectly

Comments and ratings for Big Font (change font size)
  • (67 stars)

    by Basil Alvin on 22/12/2011

    It's greatly useful and informative post.Thanks for publishing downloading option.

  • (67 stars)

    by David Slater on 04/07/2014

    Great app for me with bad eyesight.

  • (67 stars)

    by Thi Ha Thi Ha on 04/07/2014

    Good ^_^

  • (67 stars)

    by Ken Bracher on 03/07/2014

    Android 4.4.2 - Works on most parts of phone, but does not seem to be adjusting size of icon labels. This is a fantastic app and about the 4th phone I've used it on. I would recommend it highly.

  • (67 stars)

    by Selvi Laila on 01/07/2014

    Nice fonts

  • (67 stars)

    by Vanessa Rodriguez on 29/06/2014

    Love this app

  • (67 stars)

    by Andrew J. West on 26/06/2014

    I'm visually impaired and this helps me A LOT!!!