diff --git a/packages/electron-chrome-extensions/README.md b/packages/electron-chrome-extensions/README.md
index 3df36325..0065743c 100644
--- a/packages/electron-chrome-extensions/README.md
+++ b/packages/electron-chrome-extensions/README.md
@@ -448,7 +448,7 @@ See [Electron's Notification tutorial](https://www.electronjs.org/docs/tutorial/
 - [x] chrome.windows.onCreated
 - [x] chrome.windows.onRemoved
 - [x] chrome.windows.onFocusChanged
-- [ ] chrome.windows.onBoundsChanged
+- [x] chrome.windows.onBoundsChanged
 </details>
 
 ## Limitations
diff --git a/packages/electron-chrome-extensions/src/browser/api/windows.ts b/packages/electron-chrome-extensions/src/browser/api/windows.ts
index f8a0d902..cfad7d7a 100644
--- a/packages/electron-chrome-extensions/src/browser/api/windows.ts
+++ b/packages/electron-chrome-extensions/src/browser/api/windows.ts
@@ -36,6 +36,10 @@ export class WindowsAPI {
       this.onFocusChanged(windowId)
     })
 
+    window.on('resized', () => {
+      this.onBoundsChanged(windowId)
+    })
+
     window.once('closed', () => {
       this.ctx.store.windowDetailsCache.delete(windowId)
       this.ctx.store.removeWindow(window)
@@ -164,4 +168,11 @@ export class WindowsAPI {
     this.ctx.store.lastFocusedWindowId = windowId
     this.ctx.router.broadcastEvent('windows.onFocusChanged', windowId)
   }
+
+  onBoundsChanged(windowId: number) {
+    const window = this.ctx.store.getWindowById(windowId)
+    if (!window) return
+    const windowDetails = this.createWindowDetails(window)
+    this.ctx.router.broadcastEvent('windows.onBoundsChanged', windowDetails)
+  }
 }
diff --git a/packages/electron-chrome-extensions/src/renderer/index.ts b/packages/electron-chrome-extensions/src/renderer/index.ts
index d15e2891..878b385d 100644
--- a/packages/electron-chrome-extensions/src/renderer/index.ts
+++ b/packages/electron-chrome-extensions/src/renderer/index.ts
@@ -636,6 +636,7 @@ export const injectExtensionAPIs = () => {
             onCreated: new ExtensionEvent('windows.onCreated'),
             onRemoved: new ExtensionEvent('windows.onRemoved'),
             onFocusChanged: new ExtensionEvent('windows.onFocusChanged'),
+            onBoundsChanged: new ExtensionEvent('windows.onBoundsChanged'),
           }
         },
       },