diff --git a/src/capture/capturer.cpp b/src/capture/capturer.cpp
index 13c7007..b58716a 100644
--- a/src/capture/capturer.cpp
+++ b/src/capture/capturer.cpp
@@ -6,8 +6,9 @@
 
 #include <QApplication>
 
-Capturer::Capturer(Manager &manager)
+Capturer::Capturer(Manager &manager, const Settings &settings)
   : manager_(manager)
+  , settings_(settings)
 {
 }
 
@@ -21,12 +22,8 @@ void Capturer::repeatCapture()
   showOverlays(false);
 }
 
-void Capturer::updateSettings(const Settings &settings)
+void Capturer::updateSettings()
 {
-  sourceLanguage_ = settings.sourceLanguage;
-  targetLanguage_ = settings.targetLanguage;
-  translators_ = settings.translators;
-  doTranslation_ = settings.doTranslation;
 }
 
 void Capturer::captured(const TaskPtr &task)
@@ -34,10 +31,10 @@ void Capturer::captured(const TaskPtr &task)
   hideOverlays();
   // TODO respect more overlay's options
   // TODO process modifiers
-  task->translators = translators_;
-  task->sourceLanguage = sourceLanguage_;
-  if (doTranslation_)
-    task->targetLanguage = targetLanguage_;
+  task->translators = settings_.translators;
+  task->sourceLanguage = settings_.sourceLanguage;
+  if (settings_.doTranslation)
+    task->targetLanguage = settings_.targetLanguage;
   manager_.captured(task);
 }
 
diff --git a/src/capture/capturer.h b/src/capture/capturer.h
index d5b5547..013666c 100644
--- a/src/capture/capturer.h
+++ b/src/capture/capturer.h
@@ -2,8 +2,6 @@
 
 #include "stfwd.h"
 
-#include <QStringList>
-
 #include <vector>
 
 class CaptureOverlay;
@@ -11,11 +9,11 @@ class CaptureOverlay;
 class Capturer
 {
 public:
-  explicit Capturer(Manager &manager);
+  Capturer(Manager &manager, const Settings &settings);
 
   void capture();
   void repeatCapture();
-  void updateSettings(const Settings &settings);
+  void updateSettings();
 
   void captured(const TaskPtr &task);
   void canceled();
@@ -25,10 +23,6 @@ private:
   void hideOverlays();
 
   Manager &manager_;
+  const Settings &settings_;
   std::vector<CaptureOverlay *> overlays_;
-
-  LanguageId sourceLanguage_;
-  LanguageId targetLanguage_;
-  QStringList translators_;
-  bool doTranslation_{false};
 };
diff --git a/src/correct/corrector.cpp b/src/correct/corrector.cpp
index 7725803..197db88 100644
--- a/src/correct/corrector.cpp
+++ b/src/correct/corrector.cpp
@@ -1,10 +1,12 @@
 #include "corrector.h"
 #include "debug.h"
 #include "manager.h"
+#include "settings.h"
 #include "task.h"
 
-Corrector::Corrector(Manager &manager)
+Corrector::Corrector(Manager &manager, const Settings &settings)
   : manager_(manager)
+  , settings_(settings)
 {
 }
 
@@ -18,15 +20,14 @@ void Corrector::correct(const TaskPtr &task)
     return;
   }
 
-  if (!userSubstitutions_.empty())
+  if (!settings_.userSubstitutions.empty())
     task->corrected = substituteUser(task->recognized, task->sourceLanguage);
 
   manager_.corrected(task);
 }
 
-void Corrector::updateSettings(const Settings &settings)
+void Corrector::updateSettings()
 {
-  userSubstitutions_ = settings.userSubstitutions;
 }
 
 QString Corrector::substituteUser(const QString &source,
@@ -34,8 +35,8 @@ QString Corrector::substituteUser(const QString &source,
 {
   auto result = source;
 
-  const auto range = userSubstitutions_.equal_range(language);
-  if (range.first == userSubstitutions_.cend())
+  const auto range = settings_.userSubstitutions.equal_range(language);
+  if (range.first == settings_.userSubstitutions.cend())
     return result;
 
   while (true) {
diff --git a/src/correct/corrector.h b/src/correct/corrector.h
index a74a494..a0d819e 100644
--- a/src/correct/corrector.h
+++ b/src/correct/corrector.h
@@ -1,20 +1,19 @@
 #pragma once
 
-#include "settings.h"
 #include "stfwd.h"
 
 class Corrector
 {
 public:
-  explicit Corrector(Manager &manager);
+  Corrector(Manager &manager, const Settings &settings);
 
   void correct(const TaskPtr &task);
-  void updateSettings(const Settings &settings);
+  void updateSettings();
 
 private:
   QString substituteUser(const QString &source,
                          const LanguageId &language) const;
 
   Manager &manager_;
-  Substitutions userSubstitutions_;
+  const Settings &settings_;
 };
diff --git a/src/manager.cpp b/src/manager.cpp
index 930c2ed..1265b2d 100644
--- a/src/manager.cpp
+++ b/src/manager.cpp
@@ -27,22 +27,24 @@ const auto updatesUrl =
 }  // namespace
 
 Manager::Manager()
-  : updater_(std::make_unique<update::Loader>(QUrl(updatesUrl)))
+  : settings_(std::make_unique<Settings>())
+  , updater_(std::make_unique<update::Loader>(QUrl(updatesUrl)))
 {
-  tray_ = std::make_unique<TrayIcon>(*this);
-  capturer_ = std::make_unique<Capturer>(*this);
-  recognizer_ = std::make_unique<Recognizer>(*this);
-  translator_ = std::make_unique<Translator>(*this);
-  corrector_ = std::make_unique<Corrector>(*this);
-  representer_ = std::make_unique<Representer>(*this, *tray_);
+  SOFT_ASSERT(settings_, return );
+
+  tray_ = std::make_unique<TrayIcon>(*this, *settings_);
+  capturer_ = std::make_unique<Capturer>(*this, *settings_);
+  recognizer_ = std::make_unique<Recognizer>(*this, *settings_);
+  translator_ = std::make_unique<Translator>(*this, *settings_);
+  corrector_ = std::make_unique<Corrector>(*this, *settings_);
+  representer_ = std::make_unique<Representer>(*this, *tray_, *settings_);
 
   qRegisterMetaType<TaskPtr>();
 
-  Settings settings;
-  settings.load();
-  updateSettings(settings);
+  settings_->load();
+  updateSettings();
 
-  if (settings.showMessageOnStart)
+  if (settings_->showMessageOnStart)
     tray_->showInformation(QObject::tr("Screen translator started"));
 
   QObject::connect(updater_.get(), &update::Loader::error,  //
@@ -62,33 +64,37 @@ Manager::Manager()
 
 Manager::~Manager()
 {
-  if (updateAutoChecker_ && updateAutoChecker_->isLastCheckDateChanged())
-    Settings::saveLastUpdateCheck(updateAutoChecker_->lastCheckDate());
+  SOFT_ASSERT(settings_, return );
+  if (updateAutoChecker_ && updateAutoChecker_->isLastCheckDateChanged()) {
+    settings_->lastUpdateCheck = updateAutoChecker_->lastCheckDate();
+    settings_->saveLastUpdateCheck();
+  }
 }
 
-void Manager::updateSettings(const Settings &settings)
+void Manager::updateSettings()
 {
   LTRACE() << "updateSettings";
-  setupProxy(settings);
+  SOFT_ASSERT(settings_, return );
+  setupProxy(*settings_);
 
   updater_->model()->setExpansions({
-      {"$translators$", settings.translatorsDir},
-      {"$tessdata$", settings.tessdataPath},
+      {"$translators$", settings_->translatorsDir},
+      {"$tessdata$", settings_->tessdataPath},
   });
-  if (settings.autoUpdateIntervalDays > 0) {
+  if (settings_->autoUpdateIntervalDays > 0) {
     updateAutoChecker_ = std::make_unique<update::AutoChecker>(*updater_);
-    updateAutoChecker_->setLastCheckDate(settings.lastUpdateCheck);
-    updateAutoChecker_->setCheckIntervalDays(settings.autoUpdateIntervalDays);
+    updateAutoChecker_->setLastCheckDate(settings_->lastUpdateCheck);
+    updateAutoChecker_->setCheckIntervalDays(settings_->autoUpdateIntervalDays);
   } else {
     updateAutoChecker_.reset();
   }
 
-  tray_->updateSettings(settings);
-  capturer_->updateSettings(settings);
-  recognizer_->updateSettings(settings);
-  translator_->updateSettings(settings);
-  corrector_->updateSettings(settings);
-  representer_->updateSettings(settings);
+  tray_->updateSettings();
+  capturer_->updateSettings();
+  recognizer_->updateSettings();
+  translator_->updateSettings();
+  corrector_->updateSettings();
+  representer_->updateSettings();
 }
 
 void Manager::setupProxy(const Settings &settings)
@@ -202,8 +208,10 @@ void Manager::translated(const TaskPtr &task)
 
 void Manager::applySettings(const Settings &settings)
 {
-  updateSettings(settings);
-  settings.save();
+  SOFT_ASSERT(settings_, return );
+  *settings_ = settings;
+  settings_->save();
+  updateSettings();
 }
 
 void Manager::fatalError(const QString &text)
@@ -239,9 +247,8 @@ void Manager::settings()
 {
   SettingsEditor editor(*this, *updater_);
 
-  Settings settings;
-  settings.load();
-  editor.setSettings(settings);
+  SOFT_ASSERT(settings_, return );
+  editor.setSettings(*settings_);
 
   tray_->blockActions(true);
   auto result = editor.exec();
@@ -252,9 +259,8 @@ void Manager::settings()
 
   tray_->resetFatalError();
 
-  settings = editor.settings();
-  settings.save();
-  updateSettings(settings);
+  const auto edited = editor.settings();
+  applySettings(edited);
 }
 
 void Manager::copyLastToClipboard()
diff --git a/src/manager.h b/src/manager.h
index f0d7fd7..27f18e4 100644
--- a/src/manager.h
+++ b/src/manager.h
@@ -27,10 +27,11 @@ public:
   void quit();
 
 private:
-  void updateSettings(const Settings &settings);
+  void updateSettings();
   void setupProxy(const Settings &settings);
   void finishTask(const TaskPtr &task);
 
+  std::unique_ptr<Settings> settings_;
   std::unique_ptr<TrayIcon> tray_;
   std::unique_ptr<Capturer> capturer_;
   std::unique_ptr<Recognizer> recognizer_;
diff --git a/src/ocr/recognizer.cpp b/src/ocr/recognizer.cpp
index f757ad6..a367558 100644
--- a/src/ocr/recognizer.cpp
+++ b/src/ocr/recognizer.cpp
@@ -6,8 +6,9 @@
 
 #include <QThread>
 
-Recognizer::Recognizer(Manager &manager)
+Recognizer::Recognizer(Manager &manager, const Settings &settings)
   : manager_(manager)
+  , settings_(settings)
   , workerThread_(new QThread(this))
 {
   auto worker = new RecognizeWorker;
@@ -37,12 +38,12 @@ Recognizer::~Recognizer()
     workerThread_->terminate();
 }
 
-void Recognizer::updateSettings(const Settings &settings)
+void Recognizer::updateSettings()
 {
-  if (settings.tessdataPath.isEmpty()) {
+  if (settings_.tessdataPath.isEmpty()) {
     manager_.fatalError(tr("Tessdata path is empty"));
     return;
   }
 
-  emit reset(settings.tessdataPath);
+  emit reset(settings_.tessdataPath);
 }
diff --git a/src/ocr/recognizer.h b/src/ocr/recognizer.h
index 3d66c5b..1eed33b 100644
--- a/src/ocr/recognizer.h
+++ b/src/ocr/recognizer.h
@@ -8,10 +8,10 @@ class Recognizer : public QObject
 {
   Q_OBJECT
 public:
-  explicit Recognizer(Manager &manager);
+  Recognizer(Manager &manager, const Settings &settings);
   ~Recognizer();
 
-  void updateSettings(const Settings &settings);
+  void updateSettings();
 
 signals:
   void recognize(const TaskPtr &task);
@@ -21,5 +21,6 @@ private:
   void recognized(const TaskPtr &task);
 
   Manager &manager_;
+  const Settings &settings_;
   QThread *workerThread_;
 };
diff --git a/src/represent/representer.cpp b/src/represent/representer.cpp
index ab6efaa..e39b40e 100644
--- a/src/represent/representer.cpp
+++ b/src/represent/representer.cpp
@@ -5,10 +5,11 @@
 #include "task.h"
 #include "trayicon.h"
 
-Representer::Representer(Manager &manager, TrayIcon &tray)
+Representer::Representer(Manager &manager, TrayIcon &tray,
+                         const Settings &settings)
   : manager_(manager)
   , tray_(tray)
-  , mode_{ResultMode::Widget}
+  , settings_(settings)
 {
 }
 
@@ -16,20 +17,16 @@ Representer::~Representer() = default;
 
 void Representer::represent(const TaskPtr &task)
 {
-  if (mode_ == ResultMode::Tooltip)
+  if (settings_.resultShowType == ResultMode::Tooltip)
     showTooltip(task);
   else
     showWidget(task);
 }
 
-void Representer::updateSettings(const Settings &settings)
+void Representer::updateSettings()
 {
-  mode_ = settings.resultShowType;
-  font_ = QFont(settings.fontFamily, settings.fontSize);
-  showRecognized_ = settings.showRecognized;
-  showCaptured_ = settings.showCaptured;
   if (widget_)
-    widget_->updateSettings(font_, showRecognized_, showCaptured_);
+    widget_->updateSettings();
 }
 
 void Representer::showTooltip(const TaskPtr &task)
@@ -40,10 +37,8 @@ void Representer::showTooltip(const TaskPtr &task)
 
 void Representer::showWidget(const TaskPtr &task)
 {
-  if (!widget_) {
-    widget_ = std::make_unique<ResultWidget>();
-    widget_->updateSettings(font_, showRecognized_, showCaptured_);
-  }
+  if (!widget_)
+    widget_ = std::make_unique<ResultWidget>(settings_);
 
   widget_->show(task);
 }
diff --git a/src/represent/representer.h b/src/represent/representer.h
index ded9aac..56b5fa0 100644
--- a/src/represent/representer.h
+++ b/src/represent/representer.h
@@ -2,19 +2,17 @@
 
 #include "stfwd.h"
 
-#include <QFont>
-
 enum class ResultMode;
 class ResultWidget;
 
 class Representer
 {
 public:
-  Representer(Manager &manager, TrayIcon &tray);
+  Representer(Manager &manager, TrayIcon &tray, const Settings &settings);
   ~Representer();
 
   void represent(const TaskPtr &task);
-  void updateSettings(const Settings &settings);
+  void updateSettings();
 
 private:
   void showTooltip(const TaskPtr &task);
@@ -22,9 +20,6 @@ private:
 
   Manager &manager_;
   TrayIcon &tray_;
+  const Settings &settings_;
   std::unique_ptr<ResultWidget> widget_;
-  ResultMode mode_;
-  QFont font_;
-  bool showRecognized_{true};
-  bool showCaptured_{true};
 };
diff --git a/src/represent/resultwidget.cpp b/src/represent/resultwidget.cpp
index 2eec5f1..25c9b51 100644
--- a/src/represent/resultwidget.cpp
+++ b/src/represent/resultwidget.cpp
@@ -1,5 +1,6 @@
 #include "resultwidget.h"
 #include "debug.h"
+#include "settings.h"
 #include "task.h"
 
 #include <QApplication>
@@ -8,8 +9,9 @@
 #include <QLabel>
 #include <QMouseEvent>
 
-ResultWidget::ResultWidget(QWidget *parent)
+ResultWidget::ResultWidget(const Settings &settings, QWidget *parent)
   : QFrame(parent)
+  , settings_(settings)
   , image_(new QLabel(this))
   , recognized_(new QLabel(this))
   , translated_(new QLabel(this))
@@ -66,7 +68,7 @@ void ResultWidget::show(const TaskPtr &task)
   const auto gotTranslation = !task->translated.isEmpty();
   translated_->setVisible(gotTranslation);
 
-  const auto mustShowRecognized = showRecognized_ || !gotTranslation;
+  const auto mustShowRecognized = settings_.showRecognized || !gotTranslation;
   recognized_->setVisible(mustShowRecognized);
 
   show();
@@ -86,15 +88,14 @@ void ResultWidget::show(const TaskPtr &task)
   activateWindow();
 }
 
-void ResultWidget::updateSettings(const QFont &font, bool showRecognized,
-                                  bool showCaptured)
+void ResultWidget::updateSettings()
 {
   // explicit font change because of stylesheet
+  QFont font(settings_.fontFamily, settings_.fontSize);
   recognized_->setFont(font);
   translated_->setFont(font);
 
-  image_->setVisible(showCaptured);
-  showRecognized_ = showRecognized;
+  image_->setVisible(settings_.showCaptured);
 }
 
 bool ResultWidget::eventFilter(QObject *watched, QEvent *event)
diff --git a/src/represent/resultwidget.h b/src/represent/resultwidget.h
index a5b5768..1d1e044 100644
--- a/src/represent/resultwidget.h
+++ b/src/represent/resultwidget.h
@@ -10,18 +10,17 @@ class ResultWidget : public QFrame
 {
   Q_OBJECT
 public:
-  ResultWidget(QWidget* parent = nullptr);
+  explicit ResultWidget(const Settings& settings, QWidget* parent = nullptr);
 
   void show(const TaskPtr& task);
   using QWidget::show;
-  void updateSettings(const QFont& font, bool showRecognized,
-                      bool showCaptured);
+  void updateSettings();
 
   bool eventFilter(QObject* watched, QEvent* event) override;
 
 private:
+  const Settings& settings_;
   QLabel* image_;
   QLabel* recognized_;
   QLabel* translated_;
-  bool showRecognized_{true};
 };
diff --git a/src/settings.cpp b/src/settings.cpp
index 2cd869b..23125ac 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -286,7 +286,7 @@ void Settings::load()
   settings.endGroup();
 }
 
-void Settings::saveLastUpdateCheck(const QDateTime& dt)
+void Settings::saveLastUpdateCheck()
 {
   std::unique_ptr<QSettings> ptr;
   if (QFile::exists(iniFileName)) {
@@ -297,7 +297,7 @@ void Settings::saveLastUpdateCheck(const QDateTime& dt)
   auto& settings = *ptr;
 
   settings.beginGroup(qs_guiGroup);
-  settings.setValue(qs_lastUpdateCheck, dt);
+  settings.setValue(qs_lastUpdateCheck, lastUpdateCheck);
   settings.endGroup();
 }
 
diff --git a/src/settings.h b/src/settings.h
index 15b40a7..c1005bb 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -23,7 +23,7 @@ public:
   void save() const;
   void load();
 
-  static void saveLastUpdateCheck(const QDateTime& dt);
+  void saveLastUpdateCheck();
 
   bool isPortable() const;
   void setPortable(bool isPortable);
diff --git a/src/translate/translator.cpp b/src/translate/translator.cpp
index fcca56f..5c64f92 100644
--- a/src/translate/translator.cpp
+++ b/src/translate/translator.cpp
@@ -32,8 +32,9 @@ static std::map<QString, QString> loadScripts(const QString &dir,
   return result;
 }
 
-Translator::Translator(Manager &manager)
+Translator::Translator(Manager &manager, const Settings &settings)
   : manager_(manager)
+  , settings_(settings)
   , view_(nullptr)
   , url_(new QLineEdit(this))
   , loadImages_(
@@ -106,7 +107,7 @@ void Translator::translate(const TaskPtr &task)
   processQueue();
 }
 
-void Translator::updateSettings(const Settings &settings)
+void Translator::updateSettings()
 {
   view_->setPage(nullptr);
   pages_.clear();
@@ -121,11 +122,11 @@ void Translator::updateSettings(const Settings &settings)
   tabs_->blockSignals(false);
 
   const auto loaded =
-      loadScripts(settings.translatorsDir, settings.translators);
+      loadScripts(settings_.translatorsDir, settings_.translators);
   if (loaded.empty()) {
     manager_.fatalError(
         tr("No translators loaded from %1 (named %2)")
-            .arg(settings.translatorsDir, settings.translators.join(", ")));
+            .arg(settings_.translatorsDir, settings_.translators.join(", ")));
     return;
   }
 
@@ -137,8 +138,8 @@ void Translator::updateSettings(const Settings &settings)
     SOFT_ASSERT(pageIt.second, continue);
 
     const auto &page = pageIt.first->second;
-    page->setIgnoreSslErrors(settings.ignoreSslErrors);
-    page->setTimeout(settings.translationTimeout);
+    page->setIgnoreSslErrors(settings_.ignoreSslErrors);
+    page->setTimeout(settings_.translationTimeout);
 
     auto log = new QTextEdit(tabs_);
     tabs_->addTab(log, scriptName);
@@ -152,7 +153,7 @@ void Translator::updateSettings(const Settings &settings)
     log->document()->setMaximumBlockCount(1000);
   }
 
-  if (settings.debugMode) {
+  if (settings_.debugMode) {
     show();
   } else {
     hide();
diff --git a/src/translate/translator.h b/src/translate/translator.h
index f8b397b..df0fe49 100644
--- a/src/translate/translator.h
+++ b/src/translate/translator.h
@@ -14,11 +14,11 @@ class Translator : public QWidget
 {
   Q_OBJECT
 public:
-  explicit Translator(Manager &manager);
+  Translator(Manager &manager, const Settings &settings);
   ~Translator();
 
   void translate(const TaskPtr &task);
-  void updateSettings(const Settings &settings);
+  void updateSettings();
   void finish(const TaskPtr &task);
 
 protected:
@@ -34,6 +34,7 @@ private:
   void markTranslated(const TaskPtr &task);
 
   Manager &manager_;
+  const Settings &settings_;
   QWebEngineView *view_;
   QLineEdit *url_;
   QAction *loadImages_;
diff --git a/src/trayicon.cpp b/src/trayicon.cpp
index bdb6560..4b8a356 100644
--- a/src/trayicon.cpp
+++ b/src/trayicon.cpp
@@ -7,8 +7,9 @@
 #include <QMenu>
 #include <QTimer>
 
-TrayIcon::TrayIcon(Manager &manager)
+TrayIcon::TrayIcon(Manager &manager, const Settings &settings)
   : manager_(manager)
+  , settings_(settings)
   , tray_(std::make_unique<QSystemTrayIcon>())
   , iconUpdateTimer_(std::make_unique<QTimer>())
 {
@@ -29,17 +30,18 @@ TrayIcon::TrayIcon(Manager &manager)
 
 TrayIcon::~TrayIcon() = default;
 
-void TrayIcon::updateSettings(const Settings &settings)
+void TrayIcon::updateSettings()
 {
   QStringList failedActions;
-  if (!GlobalAction::update(captureAction_, settings.captureHotkey))
-    failedActions << settings.captureHotkey;
-  if (!GlobalAction::update(repeatCaptureAction_, settings.repeatCaptureHotkey))
-    failedActions << settings.repeatCaptureHotkey;
-  if (!GlobalAction::update(showLastAction_, settings.showLastHotkey))
-    failedActions << settings.showLastHotkey;
-  if (!GlobalAction::update(clipboardAction_, settings.clipboardHotkey))
-    failedActions << settings.clipboardHotkey;
+  if (!GlobalAction::update(captureAction_, settings_.captureHotkey))
+    failedActions << settings_.captureHotkey;
+  if (!GlobalAction::update(repeatCaptureAction_,
+                            settings_.repeatCaptureHotkey))
+    failedActions << settings_.repeatCaptureHotkey;
+  if (!GlobalAction::update(showLastAction_, settings_.showLastHotkey))
+    failedActions << settings_.showLastHotkey;
+  if (!GlobalAction::update(clipboardAction_, settings_.clipboardHotkey))
+    failedActions << settings_.clipboardHotkey;
 
   if (!failedActions.isEmpty()) {
     showError(tr("Failed to register global shortcuts:\n%1")
diff --git a/src/trayicon.h b/src/trayicon.h
index f47a406..35cb176 100644
--- a/src/trayicon.h
+++ b/src/trayicon.h
@@ -10,10 +10,10 @@ class TrayIcon : public QObject
 {
   Q_OBJECT
 public:
-  explicit TrayIcon(Manager &manager);
+  TrayIcon(Manager &manager, const Settings &settings);
   ~TrayIcon();
 
-  void updateSettings(const Settings &settings);
+  void updateSettings();
 
   void blockActions(bool block);
   void setTaskActionsEnabled(bool isEnabled);
@@ -36,6 +36,7 @@ private:
   void updateActions();
 
   Manager &manager_;
+  const Settings &settings_;
   std::unique_ptr<QSystemTrayIcon> tray_;
 
   QAction *captureAction_{nullptr};