This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

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

FF 4: how can i increase the size of the toolbar icons (back, fwd, reload, home, etc) NOT with an add-on...using about:config. thanks.

  • 1 nzaghachinzaghachi
  • 11
  • 5 views
  • Nzaghachi ikpeazụ nke cor-el

more options

FF 4: how can i increase the size of the toolbar icons (back, fwd, reload, home, etc) NOT with an add-on...using about:config. thanks.

FF 4: how can i increase the size of the toolbar icons (back, fwd, reload, home, etc) NOT with an add-on...using about:config. thanks.

All Replies (1)

more options

If you need to increase or decrease the size of fonts and other elements in the user interface and web pages then increase the String pref layout.css.devPixelsPerPx from 1.0 to 2.0 in 0.1 or 0.05 steps to see what works best.

In current Firefox versions this pref is a String value parsed to a float and allows to fine tune the dimensions of all elements (user interface and web pages) more precisely.

To open the about:config page, type about:config in the location (address) bar and press the "Enter" key, just like you type the url of a website to open a website.
If you see a warning then you can confirm that you want to access that page.