diff --git a/platform/lang-impl/src/com/intellij/util/indexing/ForceIndexRescanningAction.java b/platform/lang-impl/src/com/intellij/util/indexing/ForceIndexRescanningAction.java
new file mode 100644
index 000000000000..2f15526eb22c
--- /dev/null
+++ b/platform/lang-impl/src/com/intellij/util/indexing/ForceIndexRescanningAction.java
@@ -0,0 +1,21 @@
+// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+package com.intellij.util.indexing;
+
+import com.intellij.openapi.actionSystem.AnActionEvent;
+import com.intellij.openapi.project.DumbAwareAction;
+import com.intellij.openapi.project.DumbService;
+import com.intellij.openapi.project.Project;
+import org.jetbrains.annotations.NotNull;
+
+final class ForceIndexRescanningAction extends DumbAwareAction {
+  @Override
+  public void actionPerformed(@NotNull AnActionEvent e) {
+    Project project = e.getProject();
+    if (project == null) return;
+    UnindexedFilesUpdater task = new UnindexedFilesUpdater(project,
+                                                           false,
+                                                           null,
+                                                           "Force re-scanning");
+    DumbService.getInstance(project).queueTask(task);
+  }
+}
diff --git a/platform/platform-resources-en/src/messages/ActionsBundle.properties b/platform/platform-resources-en/src/messages/ActionsBundle.properties
index 6700354c1811..02f4094ce99e 100644
--- a/platform/platform-resources-en/src/messages/ActionsBundle.properties
+++ b/platform/platform-resources-en/src/messages/ActionsBundle.properties
@@ -2481,3 +2481,5 @@ action.RunToolbarMainMultipleStopAction.text=Stop
 action.RunToolbarResumeAction.text=Resume
 action.RunToolbarPauseAction.text=Pause
 action.RunToolbarHotSwapAction.text=HotSwap
+
+action.ForceIndexRescanning.text=Synchronize Indexes
diff --git a/platform/platform-resources/src/idea/LangActions.xml b/platform/platform-resources/src/idea/LangActions.xml
index 75208771f0e7..e0ab3254bb9a 100644
--- a/platform/platform-resources/src/idea/LangActions.xml
+++ b/platform/platform-resources/src/idea/LangActions.xml
@@ -1590,5 +1590,7 @@
 
     <action id="ClickLink" class="com.intellij.codeInsight.navigation.actions.ClickLinkAction"
             use-shortcut-of="GotoDeclaration" />
+
+    <action id="ForceIndexRescanning" internal="true" class="com.intellij.util.indexing.ForceIndexRescanningAction" icon="AllIcons.Actions.Refresh"/>
   </actions>
 </idea-plugin>