Capturing Events
Open Event Lens in DevTools and explore captured events — search, filter, sort, and inspect payloads from any frontend app.
Replaying Events
Re-fire captured events with original or edited payloads, queue replays, and pause execution with breakpoints from the Event Lens panel.
Network Correlation
Tie frontend events to the API calls they trigger, trace event chains, and debug cross-tab BroadcastChannel traffic in Event Lens.
Recording Sessions
Record full user flows in Event Lens, export sessions for bug reports, sanitize sensitive data, and import sessions from teammates.
Performance & Leaks
Find memory leaks from listener imbalance, configure performance budgets, and analyze slow subscribers in Event Lens.