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How do I make the de fault text size larger in my Firefox browser? There appears to be no option or preference for this.

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Text is too small. I need to have larger text when I open Firefox.

Text is too small. I need to have larger text when I open Firefox.

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You can set the layout.css.devPixelsPerPx pref on the about:config page to 1.0 (current default value is -1.0) to restore the behavior of previous Firefox versions.

If necessary, adjust layout.css.devPixelsPerPx starting with 1.0 in 0.1 or 0.05 steps (1.0 or 0.9) to make icons show correctly.
Use an extension to adjust the text size in the user interface and the page zoom in the browser window.

Use this extension to adjust the font size for the user interface.

You can look at the Default FullZoom Level or NoScript extension if web pages need to be adjusted after changing the layout.css.devPixelsPerPx pref.

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