Mozilla Firefox ESR 128.9.0

Mozilla – 37.4MB – Shareware – Windows Mac

Latest Version
128.9.0 Safe to install

Enhanced Security and Stability with Mozilla Firefox ESR!

Minh Ong

04/01/2025

Mozilla Firefox ESR offers extended support with focus on security and stability for enterprise users.

Editor's Review: Mozilla Firefox ESR by Mozilla

Mozilla Firefox ESR (Extended Support Release) is a version of the popular Mozilla Firefox web browser specifically designed for organizations that require extended support for mass deployments. Developed by Mozilla, Firefox ESR offers a stable and secure browsing experience tailored to meet the needs of businesses, universities, and other institutions.

Key Features:

Extended Support: Firefox ESR receives security updates and maintenance for an extended period, providing organizations with a reliable and secure browsing solution.
Customization Options: Users can customize Firefox ESR to meet specific organizational requirements through policies and group settings.
Compatibility: Designed to be compatible with existing enterprise infrastructures, Firefox ESR ensures smooth deployment and integration.
Enhanced Security: Built-in security features such as Enhanced Tracking Protection and strict sandboxing help protect users' privacy and data.
Performance: Firefox ESR offers fast browsing speeds and enhanced performance to support productivity in organizational settings.
Developer Tools: Developers can leverage a range of tools in Firefox ESR to build and test websites efficiently.

Upsides:

Stable and reliable browsing experience.
Extended support with security updates.
Customizable for organizational needs.
Enhanced security features.
Fast performance and compatibility.

Downsides:

May not include the latest features available in the regular version of Firefox.
Intended more for organizations than individual users.

Mozilla Firefox ESR is an ideal choice for organizations seeking a secure, stable, and customizable web browser with extended support and enhanced security features. Its compatibility, performance, and developer tools make it a valuable asset for businesses looking to deploy a standardized browsing solution across their infrastructure.

Overview

Mozilla Firefox ESR is a Shareware software in the category Miscellaneous developed by Mozilla.

The users of our client application UpdateStar have checked Mozilla Firefox ESR for updates 14,043 times during the last month.

The latest version of Mozilla Firefox ESR is 128.9.0, released on 04/01/2025. It was initially added to our database on 04/08/2015.

Mozilla Firefox ESR runs on the following operating systems: Windows. The download file has a size of 37.4MB.

Users of Mozilla Firefox ESR gave it a rating of 4 out of 5 stars.

Pros

Long-term support with security updates
Customizable with a wide range of extensions and add-ons
Enhanced privacy features such as tracking protection and private browsing mode
Faster performance compared to other browsers
Open-source and supports various platforms including Windows, macOS, and Linux

Cons

May not have the latest features compared to regular versions of Firefox
Occasional compatibility issues with certain websites or web applications
Resource-intensive at times, especially with multiple tabs open
Synchronization across devices could be improved

FAQ

What is Mozilla Firefox ESR?

Mozilla Firefox ESR stands for Extended Support Release. This is a version of Firefox that receives fewer updates and focuses on stability over new features.

Who should use Mozilla Firefox ESR?

Mozilla Firefox ESR is designed for organizations which prioritize long-term stability over the rapid introduction of new features and updates.

How often is Mozilla Firefox ESR updated?

Mozilla Firefox ESR is updated every 12 months with security updates. This makes it easier for organizations to plan ahead for any necessary updates or changes.

What version of Firefox is Mozilla Firefox ESR based on?

Mozilla Firefox ESR is based on the standard version of Firefox that was released around the same time as the previous ESR release.

Can I use add-ons with Mozilla Firefox ESR?

Yes, most add-ons will work with Mozilla Firefox ESR. However, compatibility may vary depending on which version of the add-on you are using.

Can I use Mozilla Firefox ESR on my personal computer?

Yes, Mozilla Firefox ESR can be used by individuals on their personal computers. However, it is primarily intended for use in organizations.

How long will Mozilla Firefox ESR be supported?

Each ESR release is typically supported for around 12 months with security updates. After that, organizations are encouraged to update to the latest ESR release.

Can I switch back to the standard version of Firefox?

Yes, you can switch back to the standard version of Firefox at any time. However, it is recommended that organizations consult with their IT department first.

Can I use Mozilla Firefox ESR on mobile devices?

No, Mozilla Firefox ESR is not currently available on mobile devices.

Is there any additional cost for using Mozilla Firefox ESR?

No, there are no additional costs for using Mozilla Firefox ESR. It is a free open-source browser like the standard version of Firefox.

Minh Ong

I'm Minh, a software engineer and author with a passion for exploring and writing about the latest in software and technology. With my experience in software development and a specialization in software updates and content creation, I bring a deep understanding of the tech landscape to my reviews and articles. My focus is on providing you with comprehensive insights into general software topics and the latest industry news.

Latest Reviews by Minh Ong

Installations

14,043 users of UpdateStar had Mozilla Firefox ESR installed last month.

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