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

My fonts suddenly changed in Firefox, but not in other browsers. I resolved all duplicate fonts, cleared cache and the settings in Preferences are still set to what they should be. What caused this and how can I fix it?

  • 2 replies
  • 3 have this problem
  • 158 views
  • Last reply by CarrieH

more options

Fonts changed in Firefox browser - not in any other browser.

Fonts changed in Firefox browser - not in any other browser.

Chosen solution

You can do a check for corrupted and duplicate fonts and other font issues:


You can do a font test to see if you can identify corrupted font(s).

Read this answer in context 👍 0

All Replies (2)

more options

Chosen Solution

You can do a check for corrupted and duplicate fonts and other font issues:


You can do a font test to see if you can identify corrupted font(s).

more options

I didn't have any corrupted fonts but I still had some hidden duplicate fonts. Thank you!