diff --git a/app/src/main/res/values-ja-rJP/strings.xml b/app/src/main/res/values-ja-rJP/strings.xml
index f5ddf9ef..a7255a03 100644
--- a/app/src/main/res/values-ja-rJP/strings.xml
+++ b/app/src/main/res/values-ja-rJP/strings.xml
@@ -886,4 +886,25 @@
     <string name="subscriptions">サブスクリプション</string>
     <string name="subscription_deleted">サブスクリプションが削除されました</string>
     <string name="foreground_service_not_allowed">アプリがバックグラウンドにあるときはインストールできません</string>
+    <string name="ping">Ping</string>
+    <string name="basic">Basic</string>
+    <string name="full">Full</string>
+    <string name="test_type">Test Type</string>
+    <string name="extension_type">Extension Type</string>
+    <string name="view_options">View Options</string>
+    <string name="extension_test">Extension Test</string>
+    <string name="extension_test_desc">Test if the extensions are working</string>
+    <string name="start_test">Start Test</string>
+    <string name="no_extensions_selected">No extensions selected</string>
+    <string name="ping_success">Ping successful: %1$s ms</string>
+    <string name="ping_error">Ping failed. Code: %1$s, Message: %2$s</string>
+    <string name="test_not_supported">Test not supported for this extension</string>
+    <string name="no_results_found">No results found. Extension may be broken</string>
+    <string name="results_found">%1$s results found</string>
+    <string name="title_search_test">Title Search Test: %1$s</string>
+    <string name="episode_search_test">Episode Search Test: %1$s</string>
+    <string name="chapter_search_test">Chapter Search Test: %1$s</string>
+    <string name="video_search_test">Video Search Test: %1$s</string>
+    <string name="image_search_test">Image Search Test: %1$s</string>
+    <string name="book_search_test">Book Search Test: %1$s</string>
 </resources>