Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Firefox loads web sites in tiny font size. Setting Minimum Font Size did not solve the problem. CTRL+ to increase the font size is a nuisance. How can I permanently set the font size?

  • 1 reply
  • 56 have this problem
  • 20 views
  • Last reply by cor-el

more options

Firefox loads web sites in a tiny font size. Setting the minimum font size does not fix the problem. CTRL+ is a nuisance because it not a permanent fix. How can I permanent set the font size to a normal size?

Firefox loads web sites in a tiny font size. Setting the minimum font size does not fix the problem. CTRL+ is a nuisance because it not a permanent fix. How can I permanent set the font size to a normal size?

All Replies (1)

more options

Is that only happening on web pages or does it affect the user interface (menu bar) as well?

If you need to increase the size of everything then you can increase the String pref layout.css.devPixelsPerPx from 1.0 to 2.0 in 0.1 steps to see what works best.
In Firefox 3.6 and later this pref is a String value parsed to a float and allows to fine tune the dimensions of all elements more precisely.

If you only need to set a default zoom on web pages then look at one of these:


Other things that need attention.
See http://www.mozilla.com/plugincheck/

Your above posted system details show outdated plugin(s) with known security and stability risks that you should update.

  • Shockwave Flash 10.0 r2

Update the Flash plugin to the latest version.