Text Zoom

Revision Information
  • Revision id: 13839
  • Created:
  • Creator: klavergne
  • Comment: Changed points to pixels for font sizes in options dialog.
  • Reviewed: Yes
  • Reviewed:
  • Reviewed by: mluna
  • Is approved? Yes
  • Is current revision? No
  • Ready for localization: No
Revision Source
Revision Content

You can change the size of all text displayed in the browser window to meet your personal preferences with the Text Zoom feature. This may improve readability of a web page.


How to use Text Zoom

To resize screen text:

First, at the top of the Firefox windowon the menu bar, click the View menu, scroll to the Zoom sub-menu, and select Zoom Text Only. For information on Page Zoom, see Font size and zoom - increase the size of web pages.

  • Keyboard:
    • To increase the text size, press and hold Ctrlcommand while pressing +.
    • To decrease the text size, press and hold Ctrlcommand while pressing -.
    • To reset the text size, press and hold Ctrlcommand while pressing 0.
  • Mouse: If your mouse has a scroll wheel, press and hold Ctrl while scrolling up to decrease the text font size and down to increase it.


Minimum text size

You can configure Firefox to display all text at a minimum font size. If a web page contains text that is smaller than your defined minimum size, Firefox increases the font size of the text to this minimum. To set a minimum text size:

  1. In the Menu bar at the top of the screen, click Firefox and select Settings (select Preferences on older macOS versions).Click the menu button Fx89menuButton and select Settings.
  2. Select the Content panel.
  3. In the Fonts & Colors pane, click Advanced....
  4. In the Minimum Font Size drop-down, select the minimum size in pixels in which all text must be displayed.
    • Font size is measured in pixels (px). Depending on the OS and display settings, approximate conversions to points (pt) are: 16px=12pt, 13px=10pt, 19px=14pt.

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