diff --git a/app/src/main/java/org/koitharu/kotatsu/settings/SettingsModule.kt b/app/src/main/java/org/koitharu/kotatsu/settings/SettingsModule.kt
index a888ad37b..d8b2c3b0e 100644
--- a/app/src/main/java/org/koitharu/kotatsu/settings/SettingsModule.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/settings/SettingsModule.kt
@@ -35,5 +35,5 @@ val settingsModule
 		viewModel { OnboardViewModel(get()) }
 		viewModel { SourcesSettingsViewModel(get()) }
 		viewModel { NewSourcesViewModel(get()) }
-		viewModel { ToolsViewModel(get()) }
-	}
\ No newline at end of file
+		viewModel { ToolsViewModel(get(), get()) }
+	}
diff --git a/app/src/main/java/org/koitharu/kotatsu/settings/tools/ToolsFragment.kt b/app/src/main/java/org/koitharu/kotatsu/settings/tools/ToolsFragment.kt
index 6f4ec3ca9..a9987c6c1 100644
--- a/app/src/main/java/org/koitharu/kotatsu/settings/tools/ToolsFragment.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/settings/tools/ToolsFragment.kt
@@ -13,6 +13,7 @@ import androidx.core.graphics.Insets
 import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
 import androidx.core.widget.TextViewCompat
+import com.google.android.material.R as materialR
 import com.google.android.material.color.MaterialColors
 import org.koin.androidx.viewmodel.ext.android.viewModel
 import org.koitharu.kotatsu.R
@@ -25,10 +26,11 @@ import org.koitharu.kotatsu.settings.SettingsActivity
 import org.koitharu.kotatsu.settings.tools.model.StorageUsage
 import org.koitharu.kotatsu.utils.FileSize
 import org.koitharu.kotatsu.utils.ext.getThemeColor
-import com.google.android.material.R as materialR
 
-
-class ToolsFragment : BaseFragment<FragmentToolsBinding>(), CompoundButton.OnCheckedChangeListener, View.OnClickListener {
+class ToolsFragment :
+	BaseFragment<FragmentToolsBinding>(),
+	CompoundButton.OnCheckedChangeListener,
+	View.OnClickListener {
 
 	private var updateChecker: AppUpdateChecker? = null
 	private val viewModel by viewModel<ToolsViewModel>()
@@ -43,8 +45,11 @@ class ToolsFragment : BaseFragment<FragmentToolsBinding>(), CompoundButton.OnChe
 		binding.buttonDownloads.setOnClickListener(this)
 		binding.cardUpdate.root.setOnClickListener(this)
 		binding.cardUpdate.buttonDownload.setOnClickListener(this)
-		binding.incognito.setOnCheckedChangeListener(this)
+		binding.switchIncognito.setOnCheckedChangeListener(this)
 
+		viewModel.isIncognitoModeEnabled.observe(viewLifecycleOwner) {
+			binding.switchIncognito.isChecked = it
+		}
 		viewModel.storageUsage.observe(viewLifecycleOwner, ::onStorageUsageChanged)
 	}
 
@@ -56,7 +61,7 @@ class ToolsFragment : BaseFragment<FragmentToolsBinding>(), CompoundButton.OnChe
 	}
 
 	override fun onCheckedChanged(button: CompoundButton?, isChecked: Boolean) {
-		// TODO Incognito enabling logic
+		viewModel.toggleIncognitoMode(isChecked)
 	}
 
 	override fun onWindowInsetsChanged(insets: Insets) {
@@ -77,19 +82,19 @@ class ToolsFragment : BaseFragment<FragmentToolsBinding>(), CompoundButton.OnChe
 			val pattern = getString(R.string.memory_usage_pattern)
 			labelStorage.text = pattern.format(
 				FileSize.BYTES.format(root.context, usage.savedManga.bytes),
-				getString(R.string.saved_manga)
+				getString(R.string.saved_manga),
 			)
 			labelPagesCache.text = pattern.format(
 				FileSize.BYTES.format(root.context, usage.pagesCache.bytes),
-				getString(R.string.pages_cache)
+				getString(R.string.pages_cache),
 			)
 			labelOtherCache.text = pattern.format(
 				FileSize.BYTES.format(root.context, usage.otherCache.bytes),
-				getString(R.string.other_cache)
+				getString(R.string.other_cache),
 			)
 			labelAvailable.text = pattern.format(
 				FileSize.BYTES.format(root.context, usage.available.bytes),
-				getString(R.string.available)
+				getString(R.string.available),
 			)
 			TextViewCompat.setCompoundDrawableTintList(labelStorage, ColorStateList.valueOf(storageSegment.color))
 			TextViewCompat.setCompoundDrawableTintList(labelPagesCache, ColorStateList.valueOf(pagesSegment.color))
@@ -115,4 +120,4 @@ class ToolsFragment : BaseFragment<FragmentToolsBinding>(), CompoundButton.OnChe
 
 		fun newInstance() = ToolsFragment()
 	}
-}
\ No newline at end of file
+}
diff --git a/app/src/main/java/org/koitharu/kotatsu/settings/tools/ToolsViewModel.kt b/app/src/main/java/org/koitharu/kotatsu/settings/tools/ToolsViewModel.kt
index a20393e69..1929b63ff 100644
--- a/app/src/main/java/org/koitharu/kotatsu/settings/tools/ToolsViewModel.kt
+++ b/app/src/main/java/org/koitharu/kotatsu/settings/tools/ToolsViewModel.kt
@@ -5,12 +5,15 @@ import androidx.lifecycle.liveData
 import androidx.lifecycle.viewModelScope
 import kotlinx.coroutines.Dispatchers
 import org.koitharu.kotatsu.base.ui.BaseViewModel
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.prefs.observeAsLiveData
 import org.koitharu.kotatsu.local.data.CacheDir
 import org.koitharu.kotatsu.local.data.LocalStorageManager
 import org.koitharu.kotatsu.settings.tools.model.StorageUsage
 
 class ToolsViewModel(
 	private val storageManager: LocalStorageManager,
+	private val settings: AppSettings,
 ) : BaseViewModel() {
 
 	val storageUsage: LiveData<StorageUsage> = liveData(
@@ -19,6 +22,16 @@ class ToolsViewModel(
 		emit(collectStorageUsage())
 	}
 
+	val isIncognitoModeEnabled = settings.observeAsLiveData(
+		context = viewModelScope.coroutineContext + Dispatchers.Default,
+		key = AppSettings.KEY_INCOGNITO_MODE,
+		valueProducer = { isIncognitoModeEnabled },
+	)
+
+	fun toggleIncognitoMode(isEnabled: Boolean) {
+		settings.isIncognitoModeEnabled = isEnabled
+	}
+
 	private suspend fun collectStorageUsage(): StorageUsage {
 		val pagesCacheSize = storageManager.computeCacheSize(CacheDir.PAGES)
 		val otherCacheSize = storageManager.computeCacheSize() - pagesCacheSize
@@ -29,16 +42,19 @@ class ToolsViewModel(
 			savedManga = StorageUsage.Item(
 				bytes = storageSize,
 				percent = (storageSize.toDouble() / totalBytes).toFloat(),
-			), pagesCache = StorageUsage.Item(
+			),
+			pagesCache = StorageUsage.Item(
 				bytes = pagesCacheSize,
 				percent = (pagesCacheSize.toDouble() / totalBytes).toFloat(),
-			), otherCache = StorageUsage.Item(
+			),
+			otherCache = StorageUsage.Item(
 				bytes = otherCacheSize,
 				percent = (otherCacheSize.toDouble() / totalBytes).toFloat(),
-			), available = StorageUsage.Item(
+			),
+			available = StorageUsage.Item(
 				bytes = availableSpace,
 				percent = (availableSpace.toDouble() / totalBytes).toFloat(),
-			)
+			),
 		)
 	}
-}
\ No newline at end of file
+}
diff --git a/app/src/main/res/layout/fragment_tools.xml b/app/src/main/res/layout/fragment_tools.xml
index df6cd6c81..3e9a5694e 100644
--- a/app/src/main/res/layout/fragment_tools.xml
+++ b/app/src/main/res/layout/fragment_tools.xml
@@ -39,16 +39,17 @@
 			android:layout_marginVertical="@dimen/margin_small" />
 
 		<com.google.android.material.materialswitch.MaterialSwitch
-			android:id="@+id/incognito"
+			android:id="@+id/switch_incognito"
+			style="?listItemTextViewStyle"
 			android:layout_width="match_parent"
 			android:layout_height="?android:listPreferredItemHeightSmall"
 			android:drawableStart="@drawable/ic_incognito"
 			android:drawablePadding="?android:listPreferredItemPaddingStart"
 			android:paddingStart="?android:listPreferredItemPaddingStart"
 			android:paddingEnd="?android:listPreferredItemPaddingEnd"
-			android:text="Incognito mode"
+			android:text="@string/incognito_mode"
 			android:textAppearance="?attr/textAppearanceButton"
-			android:textColor="?attr/colorControlNormal"/>
+			android:textColor="?attr/colorControlNormal" />
 
 		<org.koitharu.kotatsu.base.ui.widgets.ListItemTextView
 			android:id="@+id/button_downloads"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 7244f2725..4e74d4e3a 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -358,4 +358,5 @@
 	<string name="removed_from_s">Removed from \"%s\"</string>
 	<string name="options">Options</string>
 	<string name="not_found_404">Content not found or removed</string>
+	<string name="incognito_mode">Incognito mode</string>
 </resources>