Message Channel Tracker icon

Message Channel Tracker

by vreality64 · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Track and pretty-print window, MessageChannel, BroadcastChannel, and Worker messages without breaking behavior.

Users
18
+2 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#158K
#131K among extensions
Version
2.3.2
updated 24 Sep 2025

Users

monthly, 13 months
0918Sep 2025Apr 2026Oct 2026
Latest, 16 Oct 2026: 18 usersMove the mouse over the chart for any month

Ratings count

monthly, 13 months
001Sep 2025Apr 2026Oct 2026
Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Message Channel Tracker

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/

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days+2+12.5%00.00
6 months+6+50.0%00.00
1 year+14+350.0%00.00

Version history

3 versions recorded
2.3.224 Sep 2025
2.2.022 Sep 2025
2.0.110 Sep 2025

Details

Category
Developer Tools
First seen
10 Sep 2025
Size
24 KB
Languages
en, ko
Pricing
Free
Support
vreality64.github.io
Extension ID
cphkfobmlnldljobdlndabnnjpjobano

Permissions and risk

Minimal riskimpact 0, likelihood 2
Permissions
activeTabscriptingstorage

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