diff --git a/Browser Extensions/README.md b/Browser Extensions/README.md
index 90d9c6a..b3013c3 100644
--- a/Browser Extensions/README.md	
+++ b/Browser Extensions/README.md	
@@ -18,6 +18,7 @@ This is Cool Extensions collection of Browser Extensions
 ## Extensions
 | Type | Name | Description | Popularity | Language |
 | ---------- | :---------- | :----------: | :----------: | :----------: | 
+| Chrome/postMessage | [postMessage-tracker](https://github.com/fransr/postMessage-tracker) | A Chrome Extension to track postMessage usage (url, domain and stack) both by logging using CORS and also visually as an extension-icon | ![](https://img.shields.io/github/stars/fransr/postMessage-tracker) | ![](https://img.shields.io/github/languages/top/fransr/postMessage-tracker) |
 ## Contribute and Contributor
 ### Usage of add-tool
 ```
diff --git a/Browser Extensions/data.json b/Browser Extensions/data.json
index 0db3279..1644fe0 100644
--- a/Browser Extensions/data.json	
+++ b/Browser Extensions/data.json	
@@ -1,3 +1,18 @@
 {
-
-}
+ "postMessage-tracker": {
+  "Type": "Chrome",
+  "Data": "| Chrome/postMessage | [postMessage-tracker](https://github.com/fransr/postMessage-tracker) | A Chrome Extension to track postMessage usage (url, domain and stack) both by logging using CORS and also visually as an extension-icon | ![](https://img.shields.io/github/stars/fransr/postMessage-tracker) | ![](https://img.shields.io/github/languages/top/fransr/postMessage-tracker) |",
+  "Method": "postMessage",
+  "Description": "A Chrome Extension to track postMessage usage (url, domain and stack) both by logging using CORS and also visually as an extension-icon",
+  "Install": {
+   "Linux": "",
+   "MacOS": "",
+   "Windows": ""
+  },
+  "Update": {
+   "Linux": "",
+   "MacOS": "",
+   "Windows": ""
+  }
+ }
+}
\ No newline at end of file