diff --git a/app/src/main/java/awais/instagrabber/activities/MainActivity.java b/app/src/main/java/awais/instagrabber/activities/MainActivity.java
index 411f6225..7aaf4d43 100644
--- a/app/src/main/java/awais/instagrabber/activities/MainActivity.java
+++ b/app/src/main/java/awais/instagrabber/activities/MainActivity.java
@@ -21,6 +21,7 @@ import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.WindowManager;
 import android.widget.AutoCompleteTextView;
 import android.widget.Toast;
 
@@ -142,6 +143,8 @@ public class MainActivity extends BaseLanguageActivity implements FragmentManage
         final String cookie = settingsHelper.getString(Constants.COOKIE);
         CookieUtils.setupCookies(cookie);
         isLoggedIn = !TextUtils.isEmpty(cookie) && CookieUtils.getUserIdFromCookie(cookie) != 0;
+        if (settingsHelper.getBoolean(Constants.FLAG_SECURE))
+            getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
         setContentView(binding.getRoot());
         final Toolbar toolbar = binding.toolbar;
         setSupportActionBar(toolbar);
diff --git a/app/src/main/java/awais/instagrabber/fragments/settings/GeneralPreferencesFragment.java b/app/src/main/java/awais/instagrabber/fragments/settings/GeneralPreferencesFragment.java
index deb7c277..4606fb48 100644
--- a/app/src/main/java/awais/instagrabber/fragments/settings/GeneralPreferencesFragment.java
+++ b/app/src/main/java/awais/instagrabber/fragments/settings/GeneralPreferencesFragment.java
@@ -28,6 +28,7 @@ public class GeneralPreferencesFragment extends BasePreferencesFragment {
             screen.addPreference(getDefaultTabPreference(context));
         }
         screen.addPreference(getUpdateCheckPreference(context));
+        screen.addPreference(getFlagSecurePreference(context));
     }
 
     private Preference getDefaultTabPreference(@NonNull final Context context) {
@@ -58,4 +59,17 @@ public class GeneralPreferencesFragment extends BasePreferencesFragment {
         preference.setIconSpaceReserved(false);
         return preference;
     }
+
+    private Preference getFlagSecurePreference(@NonNull final Context context) {
+        return PreferenceHelper.getSwitchPreference(
+                context,
+                Constants.FLAG_SECURE,
+                R.string.flag_secure,
+                -1,
+                false,
+                (preference, newValue) -> {
+                    shouldRecreate();
+                    return true;
+                });
+    }
 }
diff --git a/app/src/main/java/awais/instagrabber/utils/Constants.java b/app/src/main/java/awais/instagrabber/utils/Constants.java
index 45fd9e3f..cb56eba2 100644
--- a/app/src/main/java/awais/instagrabber/utils/Constants.java
+++ b/app/src/main/java/awais/instagrabber/utils/Constants.java
@@ -30,6 +30,7 @@ public final class Constants {
     // deprecated: public static final String AMOLED_THEME = "amoled_theme";
     public static final String CHECK_ACTIVITY = "check_activity";
     public static final String CHECK_UPDATES = "check_updates";
+    public static final String FLAG_SECURE = "flag_secure";
     // never Export
     public static final String COOKIE = "cookie";
     public static final String SHOW_QUICK_ACCESS_DIALOG = "show_quick_dlg";
diff --git a/app/src/main/java/awais/instagrabber/utils/SettingsHelper.java b/app/src/main/java/awais/instagrabber/utils/SettingsHelper.java
index e3426f99..b6238a97 100755
--- a/app/src/main/java/awais/instagrabber/utils/SettingsHelper.java
+++ b/app/src/main/java/awais/instagrabber/utils/SettingsHelper.java
@@ -30,6 +30,7 @@ import static awais.instagrabber.utils.Constants.DEFAULT_TAB;
 import static awais.instagrabber.utils.Constants.DEVICE_UUID;
 import static awais.instagrabber.utils.Constants.DM_MARK_AS_SEEN;
 import static awais.instagrabber.utils.Constants.DOWNLOAD_USER_FOLDER;
+import static awais.instagrabber.utils.Constants.FLAG_SECURE;
 import static awais.instagrabber.utils.Constants.FOLDER_PATH;
 import static awais.instagrabber.utils.Constants.FOLDER_SAVE_TO;
 import static awais.instagrabber.utils.Constants.MARK_AS_SEEN;
@@ -139,7 +140,8 @@ public final class SettingsHelper {
 
     @StringDef({DOWNLOAD_USER_FOLDER, FOLDER_SAVE_TO, AUTOPLAY_VIDEOS, SHOW_QUICK_ACCESS_DIALOG, MUTED_VIDEOS,
                        SHOW_CAPTIONS, CUSTOM_DATE_TIME_FORMAT_ENABLED, MARK_AS_SEEN, DM_MARK_AS_SEEN, CHECK_ACTIVITY,
-                       CHECK_UPDATES, SWAP_DATE_TIME_FORMAT_ENABLED, PREF_ENABLE_DM_NOTIFICATIONS, PREF_ENABLE_DM_AUTO_REFRESH})
+                       CHECK_UPDATES, SWAP_DATE_TIME_FORMAT_ENABLED, PREF_ENABLE_DM_NOTIFICATIONS, PREF_ENABLE_DM_AUTO_REFRESH,
+                       FLAG_SECURE})
     public @interface BooleanSettings {}
 
     @StringDef({PREV_INSTALL_VERSION, BROWSER_UA_CODE, APP_UA_CODE, PREF_ENABLE_DM_AUTO_REFRESH_FREQ_NUMBER})
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 8296c069..5cc6c45b 100755
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -28,6 +28,7 @@
     <string name="title_notifications">Activity</string>
     <string name="title_highlight">Highlight: %s</string>
     <string name="update_check">Check for updates at startup</string>
+    <string name="flag_secure">Block screenshots &amp; app preview</string>
     <string name="download_user_folder">Download posts to username folders</string>
     <string name="mark_as_seen_setting">Mark stories as seen after viewing</string>
     <string name="mark_as_seen_setting_summary">Story author will know you viewed it</string>