diff --git a/inc/liquidappconfigwindow.hpp b/inc/liquidappconfigwindow.hpp
index 7e44562..517d65d 100644
--- a/inc/liquidappconfigwindow.hpp
+++ b/inc/liquidappconfigwindow.hpp
@@ -57,6 +57,7 @@ public slots:
 
     // JavaScript tab
     QCheckBox* enableJavaScriptCheckBox;
+    QCheckBox* enableLocalStorageCheckBox;
     QLabel* additionalJsLabel;
     QPlainTextEdit* additionalJsTextArea;
 
diff --git a/inc/lqd.h b/inc/lqd.h
index 5d06b6c..2b95216 100644
--- a/inc/lqd.h
+++ b/inc/lqd.h
@@ -50,6 +50,8 @@
 #define LQD_CFG_KEY_NAME_LOCK_WIN_GEOM           "LockWindowGeometry" // boolean, defaults to FALSE
 #define LQD_CFG_KEY_NAME_MUTE_AUDIO              "MuteAudio" // boolean, defaults to FALSE
 #define LQD_CFG_KEY_NAME_NOTES                   "Notes" // text
+#define LQD_CFG_KEY_NAME_PRESERVE_COOKIES        "PreserveCookies" // boolean, defaults to FALSE
+#define LQD_CFG_KEY_NAME_PRESERVE_LOCAL_STORAGE  "PreserveLocalStorage" // boolean, defaults to FALSE
 #define LQD_CFG_KEY_NAME_PROXY_HOST              LQD_CFG_GROUP_NAME_PROXY "/" "Host" // text
 #define LQD_CFG_KEY_NAME_PROXY_PORT              LQD_CFG_GROUP_NAME_PROXY "/" "Port" // number
 #define LQD_CFG_KEY_NAME_PROXY_USE_AUTH          LQD_CFG_GROUP_NAME_PROXY "/" "UseAuthentication" // boolean, defaults to FALSE
diff --git a/src/liquidappconfigwindow.cpp b/src/liquidappconfigwindow.cpp
index 60a34b4..a507ab1 100644
--- a/src/liquidappconfigwindow.cpp
+++ b/src/liquidappconfigwindow.cpp
@@ -425,20 +425,55 @@ LiquidAppConfigDialog::LiquidAppConfigDialog(QWidget* parent, QString liquidAppN
         jsTabWidget->setLayout(jsTabWidgetLayout);
         tabWidget->addTab(jsTabWidget, tr("JavaScript"));
 
-        // Enable JavaScript checkbox
+        // Enable JavaScript & enable local storage checkboxes
         {
-            enableJavaScriptCheckBox = new QCheckBox(tr("Enable JavaScript"), this);
-            enableJavaScriptCheckBox->setCursor(Qt::PointingHandCursor);
+            // Enable JavaScript checkbox
+            {
+                enableJavaScriptCheckBox = new QCheckBox(tr("Enable JavaScript"), this);
+                enableJavaScriptCheckBox->setCursor(Qt::PointingHandCursor);
 
-            if (isEditingExistingBool) {
-                bool isChecked = existingLiquidAppConfig->value(LQD_CFG_KEY_NAME_ENABLE_JS).toBool();
-                enableJavaScriptCheckBox->setChecked(isChecked);
-            } else {
-                // Checked by default (when creating new Liquid app)
-                enableJavaScriptCheckBox->setChecked(true);
+                if (isEditingExistingBool) {
+                    bool isChecked = existingLiquidAppConfig->value(LQD_CFG_KEY_NAME_ENABLE_JS).toBool();
+                    enableJavaScriptCheckBox->setChecked(isChecked);
+                } else {
+                    // Checked by default (when creating new Liquid app)
+                    enableJavaScriptCheckBox->setChecked(true);
+                }
+
+                jsTabWidgetLayout->addWidget(enableJavaScriptCheckBox);
             }
 
-            jsTabWidgetLayout->addWidget(enableJavaScriptCheckBox);
+            // Enable local storage checkbox
+            {
+                QHBoxLayout* enableLocalStorageLayout = new QHBoxLayout();
+                enableLocalStorageLayout->setContentsMargins(LQD_UI_MARGIN, 0, 0, 0);
+
+                enableLocalStorageCheckBox = new QCheckBox(tr("Save and restore local storage data"), this);
+                enableLocalStorageCheckBox->setCursor(Qt::PointingHandCursor);
+
+                if (isEditingExistingBool) {
+                    bool isChecked = existingLiquidAppConfig->value(LQD_CFG_KEY_NAME_PRESERVE_LOCAL_STORAGE).toBool();
+                    enableLocalStorageCheckBox->setChecked(isChecked);
+                } else {
+                    // Checked by default (when creating new Liquid app)
+                    enableLocalStorageCheckBox->setChecked(true);
+                }
+
+                enableLocalStorageLayout->addWidget(enableLocalStorageCheckBox);
+
+                connect(enableJavaScriptCheckBox, &QCheckBox::toggled, [&](const bool isOn){
+                    if (!isOn) {
+                        enableLocalStorageCheckBox->setChecked(false);
+                    }
+                });
+                connect(enableLocalStorageCheckBox, &QCheckBox::toggled, [&](const bool isOn){
+                    if (isOn) {
+                        enableJavaScriptCheckBox->setChecked(isOn);
+                    }
+                });
+
+                jsTabWidgetLayout->addLayout(enableLocalStorageLayout);
+            }
         }
 
         // Additonal JavaScript code text area
@@ -821,6 +856,11 @@ void LiquidAppConfigDialog::save()
         tempLiquidAppConfig->setValue(LQD_CFG_KEY_NAME_ENABLE_JS, enableJavaScriptCheckBox->isChecked());
     }
 
+    // Preserve local storage
+    {
+        tempLiquidAppConfig->setValue(LQD_CFG_KEY_NAME_PRESERVE_LOCAL_STORAGE, enableLocalStorageCheckBox->isChecked());
+    }
+
     // Allow cookies
     {
         tempLiquidAppConfig->setValue(LQD_CFG_KEY_NAME_ALLOW_COOKIES, allowCookiesCheckBox->isChecked());
diff --git a/src/liquidappwebpage.cpp b/src/liquidappwebpage.cpp
index a7ba28d..83f94c2 100644
--- a/src/liquidappwebpage.cpp
+++ b/src/liquidappwebpage.cpp
@@ -175,7 +175,7 @@ void LiquidAppWebPage::setWebSettingsToDefault(QWebEngineSettings* webSettings)
     webSettings->setAttribute(QWebEngineSettings::JavascriptCanPaste, false);
 #endif
     webSettings->setAttribute(QWebEngineSettings::JavascriptEnabled, false);
-    webSettings->setAttribute(QWebEngineSettings::LocalStorageEnabled, true);
+    webSettings->setAttribute(QWebEngineSettings::LocalStorageEnabled, false);
 #if QT_VERSION >= QT_VERSION_CHECK(5, 13, 0)
     webSettings->setAttribute(QWebEngineSettings::PdfViewerEnabled, false);
 #endif
diff --git a/src/liquidappwindow.cpp b/src/liquidappwindow.cpp
index ef4c9e2..33f8e59 100644
--- a/src/liquidappwindow.cpp
+++ b/src/liquidappwindow.cpp
@@ -538,26 +538,26 @@ void LiquidAppWindow::loadLiquidAppConfig(void)
     }
 
     // Toggle JavaScript on if enabled in application config
-    if (liquidAppConfig->contains(LQD_CFG_KEY_NAME_ENABLE_JS)) {
-        settings()->setAttribute(
-            QWebEngineSettings::JavascriptEnabled,
-            liquidAppConfig->value(LQD_CFG_KEY_NAME_ENABLE_JS).toBool()
-        );
+    if (liquidAppConfig->value(LQD_CFG_KEY_NAME_ENABLE_JS).toBool()) {
+        settings()->setAttribute(QWebEngineSettings::JavascriptEnabled, true);
+        settings()->setAttribute(QWebEngineSettings::LocalStorageEnabled, true);
+
+        // Restore LocalStorage data if preservation is enabled in application config
+        if (liquidAppConfig->value(LQD_CFG_KEY_NAME_PRESERVE_LOCAL_STORAGE).toBool()) {
+            // TODO: restore localStorage items from this Liquid App's config file
+        }
     }
 
 #if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     // Hide scrollbars
-    if (liquidAppConfig->contains(LQD_CFG_KEY_NAME_HIDE_SCROLLBARS)) {
-        settings()->setAttribute(
-            QWebEngineSettings::ShowScrollBars,
-            !liquidAppConfig->value(LQD_CFG_KEY_NAME_HIDE_SCROLLBARS).toBool()
-        );
+    if (liquidAppConfig->value(LQD_CFG_KEY_NAME_HIDE_SCROLLBARS).toBool()) {
+        settings()->setAttribute(QWebEngineSettings::ShowScrollBars, false);
     }
 #endif
 
     // Mute audio if muted in application config
-    if (liquidAppConfig->contains(LQD_CFG_KEY_NAME_MUTE_AUDIO)) {
-        page()->setAudioMuted(liquidAppConfig->value(LQD_CFG_KEY_NAME_MUTE_AUDIO).toBool());
+    if (liquidAppConfig->value(LQD_CFG_KEY_NAME_MUTE_AUDIO).toBool()) {
+        page()->setAudioMuted(true);
     }
 
     // Restore web view zoom level
@@ -709,6 +709,11 @@ void LiquidAppWindow::saveLiquidAppConfig(void)
         }
     }
 
+    // Save LocalStorage data if preservation is enabled in application config
+    if (liquidAppConfig->value(LQD_CFG_KEY_NAME_PRESERVE_LOCAL_STORAGE).toBool()) {
+        // TODO: restore localStorage items from this Liquid App's config file
+    }
+
     liquidAppConfig->sync();
 }