How to Change the Text Size on Mozilla Firefox
Mozilla Firefox provides two methods for changing its text sizes. To temporarily change the text size on Mozilla Firefox, utilize the text zoom function. For a more permanent change, modify Firefox's default font sizes. Because many websites choose to display specific fonts, you must also tell Firefox to disregard them and use your default settings.
Instructions
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Zoom
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Open Mozilla Firefox.
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Click "View." Place your cursor over "Zoom" to open a new menu.
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Click "Zoom In" to make the text appear larger. Click "Zoom Out" to make the text appear smaller.
Options
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Open Firefox.
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Click "Tools" and select "Options" from the drop-down menu.
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Click the "Content" icon.
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Click the "Advanced" button in the Fonts & Colors section to open the Fonts window.
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Click the drop-down "Size" boxes and select new font sizes. Deselect the box beside "Allow Pages to Choose Their Own Fonts, Instead of My Selections Above."
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Click "OK" to close the Fonts window.
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Click the "Size" box in the Fonts & Colors section of the Options window. Select a new default font size.
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Click "OK" to close the Options window.
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Tips & Warnings
Use the zoom function with your keyboard by pressing "CTRL" and "+" to increase the size of the text or "CTRL" and "-" to decrease the size.
Press "CTRL" and "0" to return the text to its original size.
To change the text size on a Mac computer, click "Firefox" and choose "Preferences." Click "Content" and find the Fonts & Colors section.
References
Resources
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