diff --git a/packages/extension-host-worker/src/parts/CommandMap/CommandMap.ts b/packages/extension-host-worker/src/parts/CommandMap/CommandMap.ts
index 0c37802..c41087e 100644
--- a/packages/extension-host-worker/src/parts/CommandMap/CommandMap.ts
+++ b/packages/extension-host-worker/src/parts/CommandMap/CommandMap.ts
@@ -30,6 +30,7 @@ import * as HandleBeforeUnload from '../HandleBeforeUnload/HandleBeforeUnload.ts
 import * as HandleMessagePort from '../HandleMessagePort/HandleMessagePort.ts'
 import * as IndexedDb from '../IndexedDb/IndexedDb.ts'
 import * as IndexedDbKeyValueStorage from '../IndexedDbKeyValueStorage/IndexedDbKeyValueStorage.ts'
+import * as LaunchIframeWorker from '../LaunchIframeWorker/LaunchIframeWorker.ts'
 import * as LoadWebView from '../LoadWebView/LoadWebView.ts'
 import * as SaveState from '../SaveState/SaveState.ts'
 import * as SearchFileWithFetch from '../SearchFileWithFetch/SearchFileWithFetch.ts'
@@ -38,6 +39,7 @@ import * as TextSearchFetch from '../TextSearchFetch/TextSearchFetch.ts'
 import * as TextSearchHtml from '../TextSearchHtml/TextSearchHtml.ts'
 
 export const commandMap = {
+  'ExtensionHost.launchIframeWorker': LaunchIframeWorker.launchIframeWorker,
   'ExtensionHostRename.executeprepareRenameProvider': ExtensionHostRename.executeprepareRenameProvider,
   'ExtensionHostRename.executeRenameProvider': ExtensionHostRename.executeRenameProvider,
   'IndexedDb.addHandle': IndexedDb.addHandle,
diff --git a/packages/extension-host-worker/src/parts/GetConfiguredIframeWorkerUrl/GetConfiguredIframeWorkerUrl.ts b/packages/extension-host-worker/src/parts/GetConfiguredIframeWorkerUrl/GetConfiguredIframeWorkerUrl.ts
new file mode 100644
index 0000000..2315d3c
--- /dev/null
+++ b/packages/extension-host-worker/src/parts/GetConfiguredIframeWorkerUrl/GetConfiguredIframeWorkerUrl.ts
@@ -0,0 +1,15 @@
+import * as IframeWorkerUrl from '../IframeWorkerUrl/IframeWorkerUrl.ts'
+import * as IsProduction from '../IsProduction/IsProduction.ts'
+import * as Preferences from '../Preferences/Preferences.ts'
+
+export const getConfiguredIframeWorkerUrl = async () => {
+  let configuredWorkerUrl = (await Preferences.get('develop.iframeWorkerPath')) || ''
+  if (configuredWorkerUrl) {
+    configuredWorkerUrl = '/remote' + configuredWorkerUrl
+  }
+  configuredWorkerUrl = configuredWorkerUrl || IframeWorkerUrl.iframeWorkerUrl
+  if (IsProduction.isProduction) {
+    configuredWorkerUrl = IframeWorkerUrl.iframeWorkerUrl
+  }
+  return configuredWorkerUrl
+}
diff --git a/packages/extension-host-worker/src/parts/Id/Id.ts b/packages/extension-host-worker/src/parts/Id/Id.ts
new file mode 100644
index 0000000..cbad7a3
--- /dev/null
+++ b/packages/extension-host-worker/src/parts/Id/Id.ts
@@ -0,0 +1,7 @@
+export const state = {
+  id: 0,
+}
+
+export const create = () => {
+  return ++state.id
+}
diff --git a/packages/extension-host-worker/src/parts/IsProduction/IsProduction.ts b/packages/extension-host-worker/src/parts/IsProduction/IsProduction.ts
new file mode 100644
index 0000000..a5f2670
--- /dev/null
+++ b/packages/extension-host-worker/src/parts/IsProduction/IsProduction.ts
@@ -0,0 +1 @@
+export const isProduction = false
diff --git a/packages/extension-host-worker/src/parts/LaunchIframeWorker/LaunchIframeWorker.ts b/packages/extension-host-worker/src/parts/LaunchIframeWorker/LaunchIframeWorker.ts
new file mode 100644
index 0000000..734785d
--- /dev/null
+++ b/packages/extension-host-worker/src/parts/LaunchIframeWorker/LaunchIframeWorker.ts
@@ -0,0 +1,19 @@
+import * as GetConfiguredIframeWorkerUrl from '../GetConfiguredIframeWorkerUrl/GetConfiguredIframeWorkerUrl.ts'
+import * as HandleIpc from '../HandleIpc/HandleIpc.ts'
+import * as Id from '../Id/Id.ts'
+import * as IpcParent from '../IpcParent/IpcParent.ts'
+import * as IpcParentType from '../IpcParentType/IpcParentType.ts'
+
+export const launchIframeWorker = async () => {
+  const configuredWorkerUrl = GetConfiguredIframeWorkerUrl.getConfiguredIframeWorkerUrl()
+  const name = 'Iframe Worker'
+  const id = Id.create()
+  const ipc = await IpcParent.create({
+    method: IpcParentType.ModuleWorkerAndWorkaroundForChromeDevtoolsBug,
+    name,
+    url: configuredWorkerUrl,
+    id,
+  })
+  HandleIpc.handleIpc(ipc)
+  return ipc
+}
diff --git a/packages/extension-host-worker/src/parts/Preferences/Preferences.ts b/packages/extension-host-worker/src/parts/Preferences/Preferences.ts
new file mode 100644
index 0000000..d7ac333
--- /dev/null
+++ b/packages/extension-host-worker/src/parts/Preferences/Preferences.ts
@@ -0,0 +1,5 @@
+import * as ParentRpc from '../Rpc/Rpc.ts'
+
+export const get = (key: string): Promise<string> => {
+  return ParentRpc.invoke('Preferences.get', key)
+}