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When Firefox goes to a new webpage I don't want it at 100% zoom but at a different percentage that I specify, and I want it to always use this zoom for all pages that it goes to. How can I do that?
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When Firefox goes to a new webpage I don't want it at 100% zoom but at a different percentage that I specify, and I want it to always use this zoom for all pages that it goes to. How can I do that?
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The Firefox addon NoSquint allows you to adjust the text-only and full-page (both text and images) zoom levels as well as color settings both globally (for all sites) and per site.
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This is user configurable from Firefox, without the need for any add-ons.
In the address line, type: about:config
Scroll down or search for the preference name: browser.zoom.siteSpecific
Double-click to change the value to false
Now your zoom settings will carry over from site to site.
1this works in v32: type about:config
in address bar, search for layout.css.devPixelsPerPx
, change value from -1.0 (auto equals win dpi) to for example 1.5 (equals 150%) – None – 2014-09-26T18:17:28.977
devPixelsPerPx
scale the whole UI, not only web content. But it's probably the closest addon-less workaround. – Borek Bernard – 2016-01-04T15:44:11.640
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Does changing browser.zoom.siteSpecific take effect immediately or is a restart of Firefox necessary? Ref
– Peter Mortensen – 2012-02-15T09:55:12.8572This does not work with Firefox 29 – Steven Penny – 2014-05-04T07:59:50.913
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The default zoom in Firefox can be reset to any value for all webpages without installing an extension.
In the Firefox address bar type: about:config
Search for this preference: layout.css.devPixelsPerPx
Replace the default value of -1.0
with the new percentage zoom. For example, if you want to change the default zoom from the default value of 100% to 125%, then change the value of layout.css.devPixelsPerPx
to 1.25
If you are also using Chrome web browser then the default zoom level can be easily changed from the settings ( 3 vertical dots icon ⋮ ) in the upper right corner of Chrome. For a better browsing experience set the same default zoom for both Firefox and Chrome.
This was tested on the latest version of Firefox 57 (a.k.a. Firefox Quantum) and Chrome 62, and it also works on Firefox 52 Extended Support Release (ESR).
This was tested on the latest version of Firefox 57 (a.k.a. Firefox Quantum) and Chrome 62. – karel – 2017-11-17T07:04:32.307
1also works in pre-quantum ESR (Firefox 52) – david.libremone – 2018-03-27T14:05:59.333
I don't see it for Firefox Quantum. Is there another approach to fix the zoom level for all websites? – thenakulchawla – 2017-12-27T20:48:17.143
this plugin is no longer maintained – david.libremone – 2018-03-27T14:04:45.207
This is useful. – Phenom – 2009-12-30T16:25:24.797
It's not only useful, it's the best add-on I've ever used. My tired old eyes are thankful for the SuperUser for told me about it. – Patriot – 2009-12-30T16:30:09.610