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Font and image suddenly get very big.

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  • Last reply by jscher2000

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Recently, the font and images suddenly get VERY big. What is happening? Am I doing something? I don't know how to make them smaller, to go back to the default size. I then have to open a new tab and reboot the page. This even has my computer helper guy baffled. I am a 76 year-old somewhat computer-savvy woman. This is driving me crazy! I tried one trick offered here of holding control and zero together. That did nothing. Please help

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Hi, is this problem on your Mac, or on an iPad?

Firefox for Mac

Command+0 should reset the zoom level on the current page, but if every page is zoomed, you also need to check the Preferences/Settings page. Either:

  • Mac: "3-bar" menu button (or Firefox menu) > Preferences
  • Windows: "3-bar" menu button (or Tools menu) > Settings (previously "Options")
  • Linux: "3-bar" menu button (or Edit menu) > Preferences
  • Any system: type or paste about:preferences into the address bar and press Enter/Return to load it

Scroll down a bit to the Zoom section and look for the Default Zoom selector. If this is not set to 100%, try setting it to 100%.

Did that make any difference?


I have a diagnostic page to gather information about your display resolution if you wouldn't mind taking a look here: https://www.jeffersonscher.com/res/resolution.php

The specific part I'm interested in is the window.devicePixelRatio line. On a regular Mac monitor, this usually would be 1, and on a Retina display, it usually would be 2. What is yours set to?

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