Have you read the Knowledge Base article about Zoom? https://support.mozilla.org/en-US/kb/font-size-and-zoom-increase-size-of-web-pages

Beyond that, please explain what your problem with Page Zoom.

Hi MisterTee, do you mean fix in the sense of setting a default value different from the one Firefox uses now, or do you mean fix in the sense of preventing it from being changed? Or something else?

Can you attach a screenshot?

• https://support.mozilla.org/en-US/kb/how-do-i-create-screenshot-my-problem
• use a compressed image type like PNG or JPG to save the screenshot