Message Channel Tracker
Track and pretty-print window, MessageChannel, BroadcastChannel, and Worker messages without breaking behavior.
As of May 2026, Message Channel Tracker has 13 users in the Developer Tools category.
Usersup 44.4 percent+44.4%
13
13
Ratingno change0%
—
— reviews
Reviewsno change0%
—
Version
2.3.2
Manifest V3
History
4 snapshotsTracking since Apr 20, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 20, 2026 | 9 | — | — | 2.3.2 |
| May 6, 2026 | 12 | — | — | 2.3.2 |
| May 17, 2026 | 14 | — | — | 2.3.2 |
| May 30, 2026 | 10 | — | — | 2.3.2 |
| Now | 13 | — | — | 2.3.2 |
Permissions & access
- Permissions
- activeTabscriptingstorage
- Host access
- None declared
Screenshots
About
Observe browser message flows without breaking them. MCT neatly groups and colors logs in DevTools for: - window.postMessage and window "message" events - MessageChannel creation and MessagePort postMessage/incoming messages - BroadcastChannel postMessage/incoming messages - Worker/SharedWorker postMessage/incoming messages - ServiceWorker postMessage/incoming messages --- https://vreality64.github.io/message-channel-tracker/
Technical
- Version
- 2.3.2
- Manifest
- V3
- Size
- 23.98KiB
- Min Chrome
- 88
- Languages
- 2
- Featured
- No
Metadata
- ID
- cphkfobmlnldljobdlndabnnjpjobano
- Developer ID
- u8ba53c8b03d7561b8c6b06c854ba9159
- Developer Email
- [email protected]
- Created
- Sep 10, 2025
- Last Updated (Store)
- Sep 24, 2025
- Last Scraped
- May 30, 2026
- Website
- —
- Privacy Policy
- —
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Data sourced from the Chrome Web Store · last verified May 30, 2026.