diff --git a/interface/src/Menu.cpp b/interface/src/Menu.cpp
index 508c44fbd1..2aed828f53 100644
--- a/interface/src/Menu.cpp
+++ b/interface/src/Menu.cpp
@@ -29,6 +29,8 @@
 #include <VrMenu.h>
 #include <ScriptEngines.h>
 #include <MenuItemProperties.h>
+#include <ui/types/FileTypeProfile.h>
+#include <ui/types/HFWebEngineProfile.h>
 
 #include "Application.h"
 #include "AccountManager.h"
@@ -582,8 +584,20 @@ Menu::Menu() {
             QString("hifi/tablet/TabletNetworkingPreferences.qml"), "NetworkingPreferencesDialog");
     });
     addActionToQMenuAndActionHash(networkMenu, MenuOption::ReloadContent, 0, qApp, SLOT(reloadResourceCaches()));
-    addActionToQMenuAndActionHash(networkMenu, MenuOption::ClearDiskCache, 0,
-        DependencyManager::get<AssetClient>().data(), SLOT(clearCache()));
+
+	action = addActionToQMenuAndActionHash(networkMenu, MenuOption::ClearDiskCaches);
+    connect(action, &QAction::triggered, [] {
+        // The following caches are cleared immediately
+        DependencyManager::get<AssetClient>()->clearCache();
+#ifndef Q_OS_ANDROID
+        FileTypeProfile::clearCache();
+        HFWebEngineProfile::clearCache();
+#endif
+
+        // Clear the KTX cache on the next restart. It can't be cleared immediately because its files might be in use.
+        Setting::Handle<int>(KTXCache::SETTING_VERSION_NAME, KTXCache::INVALID_VERSION).set(KTXCache::INVALID_VERSION);
+    });
+
     addCheckableActionToQMenuAndActionHash(networkMenu,
         MenuOption::DisableActivityLogger,
         0,
diff --git a/interface/src/Menu.h b/interface/src/Menu.h
index ea118ec5dd..3d3c8f9d35 100644
--- a/interface/src/Menu.h
+++ b/interface/src/Menu.h
@@ -56,7 +56,7 @@ namespace MenuOption {
     const QString CalibrateCamera = "Calibrate Camera";
     const QString CenterPlayerInView = "Center Player In View";
     const QString Chat = "Chat...";
-    const QString ClearDiskCache = "Clear Disk Cache";
+    const QString ClearDiskCaches = "Clear Disk Caches (requires restart)";
     const QString Collisions = "Collisions";
     const QString Connexion = "Activate 3D Connexion Devices";
     const QString Console = "Console...";
diff --git a/libraries/ui/src/ui/types/FileTypeProfile.cpp b/libraries/ui/src/ui/types/FileTypeProfile.cpp
index 615e80b85c..3b9ed74200 100644
--- a/libraries/ui/src/ui/types/FileTypeProfile.cpp
+++ b/libraries/ui/src/ui/types/FileTypeProfile.cpp
@@ -11,6 +11,8 @@
 
 #include "FileTypeProfile.h"
 
+#include <set>
+#include <mutex>
 #include <QtQml/QQmlContext>
 
 #include "RequestFilters.h"
@@ -18,14 +20,28 @@
 #if !defined(Q_OS_ANDROID)
 static const QString QML_WEB_ENGINE_STORAGE_NAME = "qmlWebEngine";
 
+static std::set<FileTypeProfile*> FileTypeProfile_instances;
+static std::mutex FileTypeProfile_mutex;
+
 FileTypeProfile::FileTypeProfile(QQmlContext* parent) :
     ContextAwareProfile(parent)
 {
     static const QString WEB_ENGINE_USER_AGENT = "Chrome/48.0 (HighFidelityInterface)";
     setHttpUserAgent(WEB_ENGINE_USER_AGENT);
 
+    setStorageName(QML_WEB_ENGINE_STORAGE_NAME);
+    setOffTheRecord(false);
+
     auto requestInterceptor = new RequestInterceptor(this);
     setRequestInterceptor(requestInterceptor);
+
+    std::lock_guard<std::mutex> lock(FileTypeProfile_mutex);
+    FileTypeProfile_instances.insert(this);
+}
+
+FileTypeProfile::~FileTypeProfile() {
+    std::lock_guard<std::mutex> lock(FileTypeProfile_mutex);
+    FileTypeProfile_instances.erase(this);
 }
 
 void FileTypeProfile::RequestInterceptor::interceptRequest(QWebEngineUrlRequestInfo& info) {
@@ -37,5 +53,11 @@ void FileTypeProfile::registerWithContext(QQmlContext* context) {
     context->setContextProperty("FileTypeProfile", new FileTypeProfile(context));
 }
 
+void FileTypeProfile::clearCache() {
+    std::lock_guard<std::mutex> lock(FileTypeProfile_mutex);
+    foreach (auto instance, FileTypeProfile_instances) {
+        instance->clearHttpCache();
+    }
+}
 
 #endif
\ No newline at end of file
diff --git a/libraries/ui/src/ui/types/FileTypeProfile.h b/libraries/ui/src/ui/types/FileTypeProfile.h
index 7ddfdd0aed..8d8b921846 100644
--- a/libraries/ui/src/ui/types/FileTypeProfile.h
+++ b/libraries/ui/src/ui/types/FileTypeProfile.h
@@ -25,8 +25,12 @@ class FileTypeProfile : public ContextAwareProfile {
 public:
     static void registerWithContext(QQmlContext* parent);
 
+    static void clearCache();
+
 protected:
     FileTypeProfile(QQmlContext* parent);
+    virtual ~FileTypeProfile();
+
     class RequestInterceptor : public Parent::RequestInterceptor {
     public:
         RequestInterceptor(ContextAwareProfile* parent) : Parent::RequestInterceptor(parent) {}
diff --git a/libraries/ui/src/ui/types/HFWebEngineProfile.cpp b/libraries/ui/src/ui/types/HFWebEngineProfile.cpp
index 3c5701cc52..3f2d50e8fa 100644
--- a/libraries/ui/src/ui/types/HFWebEngineProfile.cpp
+++ b/libraries/ui/src/ui/types/HFWebEngineProfile.cpp
@@ -11,6 +11,8 @@
 
 #include "HFWebEngineProfile.h"
 
+#include <set>
+#include <mutex>
 #include <QtQml/QQmlContext>
 
 #include "RequestFilters.h"
@@ -19,12 +21,24 @@
 
 static const QString QML_WEB_ENGINE_STORAGE_NAME = "qmlWebEngine";
 
+static std::set<HFWebEngineProfile*> HFWebEngineProfile_instances;
+static std::mutex HFWebEngineProfile_mutex;
+
 HFWebEngineProfile::HFWebEngineProfile(QQmlContext* parent) : Parent(parent)
 {
     setStorageName(QML_WEB_ENGINE_STORAGE_NAME);
+    setOffTheRecord(false);
 
     // we use the HFWebEngineRequestInterceptor to make sure that web requests are authenticated for the interface user
     setRequestInterceptor(new RequestInterceptor(this));
+
+    std::lock_guard<std::mutex> lock(HFWebEngineProfile_mutex);
+    HFWebEngineProfile_instances.insert(this);
+}
+
+HFWebEngineProfile::~HFWebEngineProfile() {
+    std::lock_guard<std::mutex> lock(HFWebEngineProfile_mutex);
+    HFWebEngineProfile_instances.erase(this);
 }
 
 void HFWebEngineProfile::RequestInterceptor::interceptRequest(QWebEngineUrlRequestInfo& info) {
@@ -35,4 +49,11 @@ void HFWebEngineProfile::registerWithContext(QQmlContext* context) {
     context->setContextProperty("HFWebEngineProfile", new HFWebEngineProfile(context));
 }
 
+void HFWebEngineProfile::clearCache() {
+    std::lock_guard<std::mutex> lock(HFWebEngineProfile_mutex);
+    foreach (auto instance, HFWebEngineProfile_instances) {
+        instance->clearHttpCache();
+    }
+}
+
 #endif
diff --git a/libraries/ui/src/ui/types/HFWebEngineProfile.h b/libraries/ui/src/ui/types/HFWebEngineProfile.h
index 6b84ad6f80..872cb31901 100644
--- a/libraries/ui/src/ui/types/HFWebEngineProfile.h
+++ b/libraries/ui/src/ui/types/HFWebEngineProfile.h
@@ -23,8 +23,12 @@ class HFWebEngineProfile : public ContextAwareProfile {
 public:
     static void registerWithContext(QQmlContext* parent);
 
+    static void clearCache();
+
 protected:
     HFWebEngineProfile(QQmlContext* parent);
+    virtual ~HFWebEngineProfile();
+
     class RequestInterceptor : public Parent::RequestInterceptor {
     public:
         RequestInterceptor(ContextAwareProfile* parent) : Parent::RequestInterceptor(parent) {}