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React Dev Tools Firefox still hides the Components tab
Get react dev tools firefox showing Components and Profiler. Install the AMO add-on, open a React page, reload, then find the tabs in the Toolbox not Console.
Build AlongReactDeveloper ToolsDebuggingJavaScriptWeb DevOpen Source1 min read · Aug 25, 2026
This react rerender tool flashes the guilty component
A react rerender tool paints a purple outline on the guilty memoized child. Drop the script before React, click once, then leave that Profiler closed.
Build AlongReactJavaScriptDeveloper ToolsDebuggingPerformance1 min read · Aug 25, 2026