Theme Font & Size Changer – Get this Extension for 🦊 Firefox (en-US)

Download Theme Font & Size Changer for Firefox. Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

How to change the menu font for Firefox - Quora

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Theme Font & Size Changer – Get this Extension for 🦊 Firefox (en-US)

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