Mozzarella

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Default Zoom

Set the default zoom level for Firefox. Useful for QHD or HiDPI monitors, or if you don't like squinting.


It's Free and Open Source software and you can view or adapt the source code.

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Other zoom add-ons have more features and might suit you better.

This add-on makes some trade-offs to be as tiny as possible. It's just 30 lines of JavaScript (whereas others are 1000s of lines). It doesn't use browser storage other than a single local option for the default zoom level, and asks for no permissions other than to store that option.

Per-site zoom levels are respected, with one exception: a zoom of 100% is always overridden after you reload a page. (Reason: There's a limitation in the WebExtension API. Other add-ons solve this by storing per-site zoom level entries for every website you visit. This add-on avoids storing those entries by only zooming when the zoom of the current tab is 100%, which is fine because 100% was too small for you anyway!)

Install