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Firefox for Mac

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Download Firefox 44.0

Firefox 44.0

  -  78.66 MB  -  Freeware
  • Latest Version:

    Firefox 120.0.1

  • Requirements:

    Mac OS X

  • User Rating:

    Click to vote
  • Author / Product:

    Mozilla Organization / External Link

  • Old Versions:

  • Filename:

    Firefox 44.0.dmg

  • MD5 Checksum:


Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system. Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Firefox 44.0.

For those interested in downloading the most recent release of Firefox for Mac or reading our review, simply click here.

All old versions distributed on our website are completely virus-free and available for download at no cost.

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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

  • Firefox 44.0 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

What's new in this version:

- Improved warning pages for certificate errors and untrusted connections
- Enable H.264 if system decoder is available
- Enable WebM/VP9 video support on systems that don't support MP4/H.264
- In the animation-inspector timeline, lightning bolt icon next to animations running on the compositor thread
- Support the brotli compression format via HTTPS content-encoding
- Screenshot commands allow user choice of pixel ratio in Developer Tools

- Windows XP and Vista screensaver doesn't disable when watching videos (Bug 1193610)
- Various security fixes

- To support unicode-range descriptor for webfonts, font matching under Linux now uses the same font matching code as other platforms
- Use a SHA-256 signing certificate for Windows builds, to meet new signing requirements
- Firefox has removed support for the RC4 decipher
- Firefox will no longer trust the Equifax Secure Certificate Authority 1024-bit root certificate or the UTN - DATACorp SGC to validate secure website certificates
- Stricter validation of web fonts
- On-screen keyboard support temporarily turned off for Windows 8 and Windows 8.1

- Right click on a logged object in the console to store it as a global variable on the page
- New memory tool for inspecting the memory heap
- Service Workers API
- Built-in JSON reader to intuitively view, search, copy and save data without extensions
- Jump to function definitions in the debugger with Cmd-Click
- WebSocket Debugging API and add-on
- The rule view now displays styles using their authored text, and edits in the rule view are now linked to the style editor

Visual tools for Animation:
- View/Edit CSS animation keyframe rules directly in the inspector
- Visually modify the cubic-bezier curve that drives the way animations progress through time
- Discover and scrub through all CSS animations and transitions playing on the page
- Visual tools for Layout and Styles:
- Display rulers along the viewport to verify size and position and use the measurement tool to easily detect spacing and alignment problems
- Use CSS filters to preview and create real-time effects like drop-shadows, sepia, etc.

Security fixes:
- 2016-12 Lightweight themes on Firefox for Android do not verify a secure connection
- 2016-11 Application Reputation service disabled in Firefox 43
- 2016-10 Unsafe memory manipulation found through code inspection
- 2016-09 Addressbar spoofing attacks
- 2016-08 Delay following click events in file download dialog too short on OS X
- 2016-07 Errors in mp_div and mp_exptmod cryptographic functions in NSS
- 2016-06 Missing delay following user click events in protocol handler dialog
- 2016-05 Addressbar spoofing through stored data url shortcuts on Firefox for Android
- 2016-04 Firefox allows for control characters to be set in cookie names
- 2016-03 Buffer overflow in WebGL after out of memory allocation
- 2016-02 Out of Memory crash when parsing GIF format images
- 2016-01 Miscellaneous memory safety hazards (rv:44.0 / rv:38.6)

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