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.

Dark Reader – Get this Extension for 🦊 Firefox (en-US)

Text Legibility – Get this Extension for 🦊 Firefox (en-US)

Checkmarks – Get this Extension for 🦊 Firefox (en-US)

Dark Background and Light Text – Get this Extension for 🦊 Firefox (en-US)

Enforce Browser Fonts – Get this Extension for 🦊 Firefox (en-US)

User-Agent Switcher – Get this Extension for 🦊 Firefox (en-US)

Use themes to change the look of Firefox

Using theme font and size changer Firefox

Page Hacker – Get this Extension for 🦊 Firefox (en-US)

Enforce Browser Fonts – Get this Extension for 🦊 Firefox (en-US)