A Comprehensive Look at Firefox Developer Edition

Mozilla Firefox Developer Edition is a specialized web browser designed for web developers and designers. It offers a range of tools that enhance the development experience, including a responsive design mode, CSS Grid layout visualization, and advanced debugging options. The browser is built on the same engine as the standard Firefox but includes additional features tailored for front-end development.

This edition is free to use and is available on the Mac platform, providing an optimized environment for testing and building web applications. Users can access experimental features, such as CSS and JavaScript enhancements, before they are rolled out in the standard version. The browser also supports various add-ons, allowing developers to customize their workflow efficiently.

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Laws concerning the use of this software vary from country to country. We do not encourage or condone the use of this program if it is in violation of these laws.
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Is Mozilla Firefox Developer Edition safe?

100/100

Score result: Clean

This file passed a comprehensive security scan using VirusTotal technology. It is safe to download.

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Scan Info

Last scan
Thursday, September 25, 2025
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VirusTotal

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Mozilla Firefox Developer Edition has been thoroughly scanned by our advanced security systems and verified by industry-leading partners. This file comes from the official developer and has passed all our security checks, showing no signs of viruses, malware, or spyware.