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Description
Track postMessage traffic in Chrome DevTools across frames. PostMessage Tracker is a developer tool that helps you inspect and debug PostMessages communication between host and iframes. It provides real-time visibility into all incoming and outgoing postMessage events directly in DevTools, making it easier to understand cross-origin communication and troubleshoot integration issues. ๐๐จ๐ฐ ๐ญ๐จ ๐ฎ๐ฌ๐ Install extension Open DevTools (F12) Open the PostMessage Tracker tab Reload page Start inspecting messages โจ ๐ ๐๐๐ญ๐ฎ๐ซ๐๐ฌ ๐ก Track messages โ View all sent and received postMessage events in real time ๐ Powerful filtering โ Filter messages by origin, type, or payload content ๐งฑ Block messages โ Suppress handling of selected messages based on origin or data ๐ Timestamps & metadata โ See when messages were sent and where they came from ๐ Readable payloads โ Pretty-printed JSON for easy debugging โธ Pause & resume โ Control message flow while inspecting ๐งน Clear logs โ Reset the message list instantly ๐จโ๐ป Author Created by Areg Sargsyan ๐ https://www.linkedin.com/in/areg-sargsyan postmessage debugger iframe debugger devtools extension cross origin iframe microfrontend debugging message inspector window.postMessage iframe communication embedded app debugging frontend debugging tool iframe inspector cross-frame messaging sdk integration debugging
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