Firefox Developer Edition

The browser built for developers

Available for:

macOS
Version 141.0b4
Size 74.80 MB
Platform Linux (32-bit)
License GNU General Public License
Firefox Developer Edition Interface

Key Features

Advanced developer tools and debugger
Responsive design mode with device simulation
CSS Grid and Flexbox inspection tools
JavaScript profiler and memory tools
WebAssembly debugging support
Separate developer profile by default

About Firefox Developer Edition

Firefox Developer Edition is built specifically for web developers, featuring the latest Firefox features, experimental developer tools, and a separate profile system. It includes enhanced debugging capabilities and cutting-edge web technologies.

What is a Web Browser?

A web browser is a software application that allows you to access, view, and interact with websites and web applications on the internet.

Web Page Display: Renders HTML, CSS, and JavaScript to show websites
Navigation: Allows you to move between different web pages and sites
Security: Protects you from malicious websites and downloads
Extensions: Supports add-ons to enhance functionality
Bookmarks: Saves your favorite websites for easy access

Modern browsers like Firefox Developer Edition offer advanced features including private browsing, password management, synchronization across devices, and support for the latest web standards to ensure you have the best possible internet experience.

What is an Offline Installer?

An offline installer is a complete installation package that contains all necessary files to install software without requiring an internet connection.

No Internet Required: Install even when offline or with slow connections
Faster Installation: No need to download files during installation
Reusable: Install on multiple computers with the same file
Reliable: Less prone to installation failures due to network issues
Complete Package: Includes all components and dependencies

System Requirements for Linux (32-bit)

Most modern Linux distributions (32-bit)
512 MB RAM minimum (2 GB recommended)
200 MB of available disk space
32-bit processor support

Download Firefox Developer Edition

For Linux (32-bit) (you selected this)

100% Safe & Verified
Works Completely Offline
High-Speed Download
For Linux (32-bit)
Download Now (74.80 MB) Selected: Linux (32-bit)
Recommended for You

We detected you're using Windows (64-bit). This version might work better on your system.

Download for Windows (64-bit) (76.33 MB) Switch to This Version

Direct download from Mozilla Foundation

Frequently Asked Questions

Developer Edition includes experimental developer tools, has a separate profile by default, and features cutting-edge web platform features before they reach the stable release.

Yes, Developer Edition includes all regular Firefox features and can be used for everyday browsing, while providing additional tools for web development.

Yes, Firefox Developer Edition receives automatic updates with the latest developer tools and experimental features as they become available.

Find Your Perfect Browser, Antivirus, .NET Framework, or Language Pack

Search through our comprehensive collection of offline installers, antivirus software, and Windows language packs with instant results

Popular searches:

Other Browser Installers

Tor Browser

Protect yourself against tracking and surveillance

v14.5.4 113 MB
Windows (2) Mac Linux (2)
Download for Linux (32-bit)
Vivaldi

Powerful, personal and private web browser

v7.4.3684.55 98.8 MB
Windows (2) Mac Linux (2)
Download for Linux (32-bit)
Mozilla Firefox

Fast, private & safe web browser

v121.0 68.9 MB
Windows (2) Mac Linux (2)
Download for Linux (32-bit)

Also Available: .NET Framework

.NET Framework 4.8.1

Final update with ARM64 support

August 9, 2022 v4.8.1
Download .NET Framework
.NET Framework 4.8

The final version of .NET Framework

April 18, 2019 v4.8
Download .NET Framework
.NET Framework 3.5

LINQ and enhanced web development

November 19, 2007 v3.5
Download .NET Framework