Firefox Developer Edition

Firefox Developer Edition 47.0

Free
Firefox Developer Edition is a free-to-use browser for developers
4.4  (26 votes)
3.4
50.0 (See all)

Firefox Developer Edition is a free-to-use browser for developers. Inspect and debug your app across any browser or device with Valence, a powerful, pre-installed extension that you’ll only find in Firefox Developer Edition. Use Developer Edition’s visual animation and CSS editing tools to explore the depths of the ocean and interact with the strangest of creatures. Examine your web content’s frame rate, memory consumption and JS profile in a consolidated timeline view to help easily identify and troubleshoot performance bottlenecks.

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