Mozilla Mozilla company developer of the Firefox browser launched a new version of the browser to the developers of the sites, where the company has added a lot of tools that allow for the development and testing sites on all platforms of the same browser, with the possibility of programming code written to ensure the safety of their work experience.
Users can download the version that carried the name Firefox Developer Edition free of charge. After you install version you can directly start using the tools available, such as examination of network activity, the design compatibility test, the amendment to the code Alr.h and others.
Download from: https://www.mozilla.org/en-US/firefox/developer/
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