Official browser extension by Meta for inspecting and debugging React component trees, props, state, hooks, and context in real-time. Features component highlighting on hover, profiler for measuring render performance and identifying bottlenecks, and component search/filtering. Supports React 16+ including Suspense, error boundaries, and concurrent features. Available for Chrome and Firefox. Essential for debugging re-renders, state management issues, and understanding component hierarchies.
Alternatives to React Scan
1 editor-selected alternatives · React Scan overview →
source: tools.alternatives · stored order · active records only; review scores are annotations and never change membership or order
A directional evidence panel appears only when the substitute rationale, trade-offs, sources, and verification date have been recorded. Older selections without that panel remain visible but are unclassified under the new evidence contract.
Open-source React Scan alternatives
React DevTools — see all open-source developer tools.
More Browser Extensions & DevTools tools
same category, not editor-selected alternatives — see how React Scan compares →
FAQ
Which React Scan alternative is listed first?
React DevTools is first in the editor-selected list of 1 React Scan alternatives. The stored order is editorial; review scores do not determine membership or position.
Are there open-source React Scan alternatives?
Yes — React DevTools are open source.