Firefox 19 for Mac Now Available for Download - MacRumors
Skip to Content

Firefox 19 for Mac Now Available for Download

by

firefoxFirefox 19 is slated to be launched on Tuesday, but as noted by The Next Web, the latest version is already available for download from Mozilla's servers. The U.S. version of Firefox 19 for the Mac can be found in the aforementioned folder by accessing the Mac directory and then selecting “en-US.”

Most notably, this update includes a built-in PDF viewer, making former PDF viewing plug-ins obsolete. The viewer was built using HTML5 and will provide a quicker, more secure way to read PDFs in the browser.

Firefox 19, which comes more than a month after Firefox 18, also includes remote debugging, bug fixes, and CSS improvements. While the official release notes have yet to be posted, the beta notes are available:

-Built-in PDF viewer
-Canvas elements can export their content as an image blob using canvas.toBlob()
-Startup performance improvements (bugs 715402 and 756313)
-Debugger now supports pausing on exceptions and hiding non-enumerable properties
-Remote Web Console is available for connecting to Firefox on Android or Firefox OS (experimental, set devtools.debugger.remote-enabled to true)
-There is now a Browser Debugger available for add-on and browser developers (experimental, set devtools.chrome.enabled to true)
-Web Console CSS links now open in the Style Editor
-CSS @page is now supported
-CSS viewport-percentage length units implemented (vh, vw, vmin and vmax)
-CSS text-transform now supports full-width
-Starting Firefox with -private flag incorrectly claims you are not in Private Browsing mode (802274)

The official launch of Firefox 19 will take place tomorrow, on February 19. The updated version of the browser will be available for download from the Mozilla website.

Update: The FTP link has been removed. Firefox 19 is now officially available from the Mozilla website.

Top Rated Comments

177 months ago
I'm going to wait until FireFox 47. Safari will suffice for a few more weeks.
Score: 27 Votes (Like | Disagree)
OriginalMacRat Avatar
177 months ago
19?!?!?

You blinked.

Now version 20 is out.
Score: 26 Votes (Like | Disagree)
mrsir2009 Avatar
177 months ago
Huh...? :eek:

It seems like it was yesterday when I was using Firefox 3 - And I'm only 16! When the hell did they rack up 19 releases?
Score: 11 Votes (Like | Disagree)
Rudy69 Avatar
177 months ago
Yet somehow they still don't support Lion's scrollbars :/
Score: 11 Votes (Like | Disagree)
177 months ago
19?!?!?
Score: 11 Votes (Like | Disagree)
John.B Avatar
177 months ago
Not sure about Firefox, but on Chrome your bookmarks & settings are synced, so you don't have to export the bookmarks on other computers or on Windows.
Sorry, not willing to let Google track my bookmarks. But you go right ahead.
Also I don't know of any other browser that has a Web Store, or the ability to play games and run applications right on your browser.
I'm not familiar with this. Google sells you web "applications" that only run in their Chrome browser? What, sort of like a modern day IE6? But I'm sure it's great for the Google Uber Alles crowd...
Score: 9 Votes (Like | Disagree)

Popular Stories

iOS 27 Next to iPhone

Here's When iOS 27 Rolls Out Around the World

Sunday September 13, 2026 3:00 am PDT by
Apple is about to release iOS 27, which will finally deliver more advanced Siri AI capabilities as well as a variety of other refinements, improvements, and new features to iPhones. It's Apple's biggest software update of the year, and Apple announced at Wednesday's iPhone event that it will be releasing iOS 27 sometime tomorrow – Monday, September 14. iOS 27 won't be the only release on...
deep black iphone 18 pro

Apple Says iPhone 18 Pro Max Sold in U.S. Differs in One Way

Saturday September 12, 2026 3:27 pm PDT by
As noted by Nicolas Lellouche, who writes for the French tech website Numerama, Apple has updated its tech specs pages for the iPhone 18 Pro and iPhone 18 Pro Max to clarify which models are equipped with its new C2 cellular modem and where. Apple now says the iPhone 18 Pro has a C2 modem worldwide, while the iPhone 18 Pro Max uses the chip in every country except for the U.S. According...
iphone duo

IMAX Reacts to iPhone Duo's 1:1.4 Aspect Ratio Displays

Friday September 11, 2026 4:42 am PDT by
Production theater company IMAX has responded in a mixed way to Apple's embrace of a 1:1.4 aspect ratio on the iPhone Duo's inner and outer displays. The boxier ratio happens to be very close to the classic "full-frame" IMAX 1.43:1 aspect ratio, which comes from the geometry of the company's original 15-perforation/70mm film system. In response to an X post from someone wondering if we'll see...