diff --git a/store/plugin-dev/extension/inject.js b/store/plugin-dev/extension/inject.js
new file mode 100644
index 00000000..c0dba262
--- /dev/null
+++ b/store/plugin-dev/extension/inject.js
@@ -0,0 +1,19 @@
+(function(window, undefined) {
+	var URL_TO_PLUGIN = "";
+	
+	var xhrObj = new XMLHttpRequest();
+	xhrObj.open('GET', URL_TO_PLUGIN + "config.json", false);
+	xhrObj.send('');
+
+	var configObj = JSON.parse(xhrObj.responseText);
+	configObj.baseUrl = URL_TO_PLUGIN;
+
+	window.Asc = window.Asc ? window.Asc : {};
+	window.Asc.extensionPlugins = window.Asc.extensionPlugins ? window.Asc.extensionPlugins : [];
+	window.Asc.extensionPlugins.push(configObj);
+	if (window.Asc.g_asc_plugins && window.Asc.g_asc_plugins.loadExtensionPlugins)
+	{
+		window.Asc.g_asc_plugins.loadExtensionPlugins(window.Asc.extensionPlugins);
+		window.Asc.extensionPlugins = [];
+	}	
+})(window, undefined);
\ No newline at end of file
diff --git a/store/plugin-dev/extension/main.js b/store/plugin-dev/extension/main.js
new file mode 100644
index 00000000..a629c39f
--- /dev/null
+++ b/store/plugin-dev/extension/main.js
@@ -0,0 +1,28 @@
+/**
+ *
+ * (c) Copyright Ascensio System SIA 2020
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+(function(window, undefined){
+
+	if ("frameEditor" == window.name)
+	{
+		var oScript = document.createElement('script');
+		oScript.src = chrome.runtime.getURL('inject.js');
+		oScript.onload = function() { this.remove(); };
+		(document.body || document.head || document.documentElement).appendChild(oScript);		
+	}
+	
+})(window, undefined);
\ No newline at end of file
diff --git a/store/plugin-dev/extension/manifest.json b/store/plugin-dev/extension/manifest.json
new file mode 100644
index 00000000..6ced7d5a
--- /dev/null
+++ b/store/plugin-dev/extension/manifest.json
@@ -0,0 +1,36 @@
+{
+	"name": "ONLYOFFICE plugin for development",
+	"description": "ONLYOFFICE plugin for development",
+	"version": "1.0",
+	"manifest_version": 3,
+	"web_accessible_resources": [{
+        "resources": [				
+		  "/main.js",
+		  "/inject.js"
+        ],
+      "matches": [ "<all_urls>" ]
+    }],
+	"content_scripts": [
+	{
+		"match_about_blank" : true,
+		"all_frames" : true,
+		"matches": ["<all_urls>"],
+		"js": [ "/main.js" ],
+		"run_at": "document_end"
+	}
+	],
+	"permissions": [
+		"storage", 
+		"tabs", 
+		"declarativeContent", 
+		"activeTab", 
+		"scripting"
+	],
+	"host_permissions": [
+        "*://*/*",
+        "<all_urls>"
+    ],
+	"content_security_policy": {
+		"extension_pages": "script-src 'self'; object-src 'self'"
+	}
+}
\ No newline at end of file