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Firefox 53.0

  -  55.7 MB  -  Freeware
Free Download

Security Status

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 53.0.


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!

Download Firefox 53.0
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  • Firefox 53.0 Screenshots

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    Firefox 53.0 Screenshot 1
  • Firefox 53.0 Screenshot 2
  • Firefox 53.0 Screenshot 3
  • Firefox 53.0 Screenshot 4
  • Firefox 53.0 Screenshot 5

What's new in this version:

New:
- Improved graphics stability for Windows users with the addition of compositor process separation (Quantum Compositor)
- Two new 'compact' themes available in Firefox, dark and light, based on the Firefox Developer Edition theme
- Lightweight themes are now applied in private browsing windows
- Reader Mode now displays estimated reading time for the page

Changed:
- Updated the design of site permission requests to make them harder to miss and easier to understand
- 32-bit Mac OS X is no longer supported. 32-bit Mac OS X users can switch to Firefox ESR 52 to continue receiving security updates.
- Updates for Mac OS X are smaller in size compared to updates for Firefox 52
- Media playback on new tabs is blocked until the tab is visible
- New visual design for audio and video controls
- The last few characters of shortened tab titles fade out instead of being replaced by ellipses to keep more of the title visible
- Media playback on new tabs is blocked until the tab is visible

Developer:
- Support for WebM video with alpha, which allows playing videos with transparent backgrounds
- More details on changes for web developers at https://developer.mozilla.org/en-US/Firefox/Releases/53#Changes_for_Web_developers

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