Firefox 57.0.4 - Fast, safe Web browser.

Firefox offers a fast, safe Web browsing experience. Browse quickly, securely, and effortlessly. With its industry-leading features, Firefox is the choice of Web development professionals and casual users alike.

The Web, as it's meant to be experienced


Faster than Safari. Firefox stays speedy when other browsers become sluggish.
More private than Chrome. Firefox respects your privacy by minimizing suggestive pop-ups.
Bursting with features. Tabbed browsing, developer tools, extensions -- Firefox has it all, giving you the power to explore, customize, and create like never before.
Version 57.0.4:


Security fixes to address the Meltdown and Spectre timing attacks

OS X 10.9 or later
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