diff --git a/platform/opera/manifest-add.json b/platform/opera/manifest-add.json
new file mode 100644
index 0000000..f9c6b7b
--- /dev/null
+++ b/platform/opera/manifest-add.json
@@ -0,0 +1,10 @@
+{
+    "sidebar_action": {
+        "default_title": "__MSG_loggerPageName__",
+        "default_panel": "logger-ui.html",
+        "default_icon": {
+            "16": "img/icon_16.png",
+            "128": "img/icon_128.png"
+        }
+    }
+}
diff --git a/tools/make-opera-meta.py b/tools/make-opera-meta.py
new file mode 100644
index 0000000..a345111
--- /dev/null
+++ b/tools/make-opera-meta.py
@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+
+import os
+import json
+import re
+import sys
+
+if len(sys.argv) == 1 or not sys.argv[1]:
+    raise SystemExit('Build dir missing.')
+
+proj_dir = os.path.join(os.path.split(os.path.abspath(__file__))[0], '..')
+build_dir = os.path.abspath(sys.argv[1])
+
+# Import data from chromium platform
+chromium_manifest = {}
+opera_manifest = {}
+
+chromium_manifest_file = os.path.join(proj_dir, 'platform', 'chromium', 'manifest.json')
+with open(chromium_manifest_file) as f1:
+    chromium_manifest = json.load(f1)
+
+# WebExtension
+opera_manifest_add_file = os.path.join(proj_dir, 'platform', 'opera', 'manifest-add.json')
+with open(opera_manifest_add_file) as f2:
+    opera_manifest = json.load(f2)
+
+for key in chromium_manifest:
+    if key not in opera_manifest:
+        opera_manifest[key] = chromium_manifest[key]
+
+opera_manifest_file = os.path.join(build_dir, 'manifest.json')
+with open(opera_manifest_file, 'w') as f2:
+    json.dump(opera_manifest, f2, indent=2, separators=(',', ': '), sort_keys=True)
+    f2.write('\n')
diff --git a/tools/make-opera.sh b/tools/make-opera.sh
index 15057c5..a6414ed 100755
--- a/tools/make-opera.sh
+++ b/tools/make-opera.sh
@@ -2,8 +2,8 @@
 #
 # This script assumes a linux environment
 
-echo "*** uMatrix(Opera): Creating package"
-echo "*** uMatrix(Opera): Copying files"
+echo "*** uMatrix.opera: Creating package"
+echo "*** uMatrix.opera: Copying files"
 
 DES=./dist/build/uMatrix.opera
 rm -r $DES
@@ -32,4 +32,8 @@ cp -R ./src/_locales/pt_BR $DES/_locales/
 cp -R ./src/_locales/pt_PT $DES/_locales/
 cp -R ./src/_locales/tr    $DES/_locales/
 cp -R ./src/_locales/zh_TW $DES/_locales/
-echo "*** uMatrix(Opera): Package done."
+
+echo "*** uMatrix.opera: Generating meta..."
+python tools/make-opera-meta.py         $DES/
+
+echo "*** uMatrix.opera: Package done."