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How can you permanently zoom in Firefox without using an add-on?

Does Firefox have a zoom option similar to Internet Explorer, Chrome & Opera's zoom to x% option?

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3 Answers

up vote 7 down vote accepted

Open Firefox and type about:config into the address bar and search for "zoom".

In the search results, change two settings as below.

browser.zoom.siteSpecific false
zoom.minPercent 150

The value of zoom.minPercent must be an integer.

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it's working .. Thank You :) –  Niks Jan 4 '12 at 13:43
    
Emperically determined: Firefox must be restarted before it takes effect, at least for zoom.minPercent. Tested with Firefox 8.0.1 (Portable edition) –  Peter Mortensen Feb 15 '12 at 9:40
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Not sure if this is what you ask for, but you can increase the minimum font size on you browser. That way you'll have larger letters.

like this: increase-min-fint-size

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not just the font size .... the whole webpage –  Niks Jan 4 '12 at 13:33
    
scroll up the page - you might find your answer. –  karla Jan 4 '12 at 13:33
    
that isn't permanent zoom –  Niks Jan 4 '12 at 13:35
    
I made a little search - there seems not to be such an option. But wikipedia's acticle about firefox says, that it should remember your zooming settings for each site. –  karla Jan 4 '12 at 13:40
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Control+MouseWheel zooms, and the zoom-level is remembered on a per-site basis, unless you clear your history.

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(ctrl and + ) (ctrl and -) browser/tab wide zoom = same like ctrl mouse wheel up/down –  ppumkin Jan 4 '12 at 13:36
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