diff --git a/src/base/preferences.cpp b/src/base/preferences.cpp
index 4e2856330..fa35f8f47 100644
--- a/src/base/preferences.cpp
+++ b/src/base/preferences.cpp
@@ -1241,26 +1241,6 @@ void Preferences::setMainLastDir(const QString &path)
     setValue("MainWindowLastDir", path);
 }
 
-QSize Preferences::getPrefSize() const
-{
-    return value("Preferences/State/size").toSize();
-}
-
-void Preferences::setPrefSize(const QSize &size)
-{
-    setValue("Preferences/State/size", size);
-}
-
-QStringList Preferences::getPrefHSplitterSizes() const
-{
-    return value("Preferences/State/hSplitterSizes").toStringList();
-}
-
-void Preferences::setPrefHSplitterSizes(const QStringList &sizes)
-{
-    setValue("Preferences/State/hSplitterSizes", sizes);
-}
-
 QByteArray Preferences::getPeerListState() const
 {
     return value("TorrentProperties/Peers/qt5/PeerListState").toByteArray();
diff --git a/src/base/preferences.h b/src/base/preferences.h
index cab46c6a1..903d0008e 100644
--- a/src/base/preferences.h
+++ b/src/base/preferences.h
@@ -329,10 +329,6 @@ public:
     void setMainVSplitterState(const QByteArray &state);
     QString getMainLastDir() const;
     void setMainLastDir(const QString &path);
-    QSize getPrefSize() const;
-    void setPrefSize(const QSize &size);
-    QStringList getPrefHSplitterSizes() const;
-    void setPrefHSplitterSizes(const QStringList &sizes);
     QByteArray getPeerListState() const;
     void setPeerListState(const QByteArray &state);
     QString getPropSplitterSizes() const;
diff --git a/src/gui/aboutdialog.cpp b/src/gui/aboutdialog.cpp
index bbe1433d5..eefac2e36 100644
--- a/src/gui/aboutdialog.cpp
+++ b/src/gui/aboutdialog.cpp
@@ -36,9 +36,12 @@
 #include "uithememanager.h"
 #include "utils.h"
 
+#define SETTINGS_KEY(name) "AboutDialog/" name
+
 AboutDialog::AboutDialog(QWidget *parent)
     : QDialog(parent)
     , m_ui(new Ui::AboutDialog)
+    , m_storeDialogSize(SETTINGS_KEY("Size"))
 {
     m_ui->setupUi(this);
     setAttribute(Qt::WA_DeleteOnClose);
@@ -107,11 +110,12 @@ AboutDialog::AboutDialog(QWidget *parent)
                                      "The database is licensed under the Creative Commons Attribution 4.0 International License"));
     m_ui->labelDBIP->setText(DBIPText);
 
-    Utils::Gui::resize(this);
+    Utils::Gui::resize(this, m_storeDialogSize);
     show();
 }
 
 AboutDialog::~AboutDialog()
 {
+    m_storeDialogSize = size();
     delete m_ui;
 }
diff --git a/src/gui/aboutdialog.h b/src/gui/aboutdialog.h
index ca5115e34..a8f0065d2 100644
--- a/src/gui/aboutdialog.h
+++ b/src/gui/aboutdialog.h
@@ -30,12 +30,14 @@
 
 #include <QDialog>
 
+#include "base/settingvalue.h"
+
 namespace Ui
 {
     class AboutDialog;
 }
 
-class AboutDialog : public QDialog
+class AboutDialog final : public QDialog
 {
     Q_OBJECT
     Q_DISABLE_COPY(AboutDialog)
@@ -46,4 +48,5 @@ public:
 
 private:
     Ui::AboutDialog *m_ui;
+    SettingValue<QSize> m_storeDialogSize;
 };
diff --git a/src/gui/banlistoptionsdialog.cpp b/src/gui/banlistoptionsdialog.cpp
index 9d047ffaf..095a69b03 100644
--- a/src/gui/banlistoptionsdialog.cpp
+++ b/src/gui/banlistoptionsdialog.cpp
@@ -38,11 +38,13 @@
 #include "ui_banlistoptionsdialog.h"
 #include "utils.h"
 
+#define SETTINGS_KEY(name) "BanListOptionsDialog/" name
+
 BanListOptionsDialog::BanListOptionsDialog(QWidget *parent)
     : QDialog(parent)
     , m_ui(new Ui::BanListOptionsDialog)
+    , m_storeDialogSize(SETTINGS_KEY("Size"))
     , m_model(new QStringListModel(BitTorrent::Session::instance()->bannedIPs(), this))
-    , m_modified(false)
 {
     m_ui->setupUi(this);
 
@@ -54,11 +56,12 @@ BanListOptionsDialog::BanListOptionsDialog(QWidget *parent)
     m_ui->bannedIPList->sortByColumn(0, Qt::AscendingOrder);
     m_ui->buttonBanIP->setEnabled(false);
 
-    Utils::Gui::resize(this);
+    Utils::Gui::resize(this, m_storeDialogSize);
 }
 
 BanListOptionsDialog::~BanListOptionsDialog()
 {
+    m_storeDialogSize = size();
     delete m_ui;
 }
 
diff --git a/src/gui/banlistoptionsdialog.h b/src/gui/banlistoptionsdialog.h
index 131b274a9..a5b1c86aa 100644
--- a/src/gui/banlistoptionsdialog.h
+++ b/src/gui/banlistoptionsdialog.h
@@ -30,6 +30,8 @@
 
 #include <QDialog>
 
+#include "base/settingvalue.h"
+
 class QSortFilterProxyModel;
 class QStringListModel;
 
@@ -38,13 +40,14 @@ namespace Ui
     class BanListOptionsDialog;
 }
 
-class BanListOptionsDialog : public QDialog
+class BanListOptionsDialog final : public QDialog
 {
     Q_OBJECT
+    Q_DISABLE_COPY(BanListOptionsDialog)
 
 public:
     explicit BanListOptionsDialog(QWidget *parent = nullptr);
-    ~BanListOptionsDialog();
+    ~BanListOptionsDialog() override;
 
 private slots:
     void on_buttonBox_accepted();
@@ -54,7 +57,8 @@ private slots:
 
 private:
     Ui::BanListOptionsDialog *m_ui;
+    SettingValue<QSize> m_storeDialogSize;
     QStringListModel *m_model;
     QSortFilterProxyModel *m_sortFilter;
-    bool m_modified;
+    bool m_modified = false;
 };
diff --git a/src/gui/downloadfromurldialog.cpp b/src/gui/downloadfromurldialog.cpp
index 8b35ec141..fdfad868c 100644
--- a/src/gui/downloadfromurldialog.cpp
+++ b/src/gui/downloadfromurldialog.cpp
@@ -39,6 +39,8 @@
 #include "ui_downloadfromurldialog.h"
 #include "utils.h"
 
+#define SETTINGS_KEY(name) "DownloadFromURLDialog/" name
+
 namespace
 {
     bool isDownloadable(const QString &str)
@@ -55,6 +57,7 @@ namespace
 DownloadFromURLDialog::DownloadFromURLDialog(QWidget *parent)
     : QDialog(parent)
     , m_ui(new Ui::DownloadFromURLDialog)
+    , m_storeDialogSize(SETTINGS_KEY("Size"))
 {
     m_ui->setupUi(this);
     setAttribute(Qt::WA_DeleteOnClose);
@@ -82,12 +85,13 @@ DownloadFromURLDialog::DownloadFromURLDialog(QWidget *parent)
     }
     m_ui->textUrls->setText(uniqueURLs.values().join('\n'));
 
-    Utils::Gui::resize(this);
+    Utils::Gui::resize(this, m_storeDialogSize);
     show();
 }
 
 DownloadFromURLDialog::~DownloadFromURLDialog()
 {
+    m_storeDialogSize = size();
     delete m_ui;
 }
 
diff --git a/src/gui/downloadfromurldialog.h b/src/gui/downloadfromurldialog.h
index f3058f309..7782e3a2a 100644
--- a/src/gui/downloadfromurldialog.h
+++ b/src/gui/downloadfromurldialog.h
@@ -30,19 +30,21 @@
 
 #include <QDialog>
 
+#include "base/settingvalue.h"
+
 namespace Ui
 {
     class DownloadFromURLDialog;
 }
 
-class DownloadFromURLDialog : public QDialog
+class DownloadFromURLDialog final : public QDialog
 {
     Q_OBJECT
     Q_DISABLE_COPY(DownloadFromURLDialog)
 
 public:
     explicit DownloadFromURLDialog(QWidget *parent);
-    ~DownloadFromURLDialog();
+    ~DownloadFromURLDialog() override;
 
 signals:
     void urlsReadyToBeDownloaded(const QStringList &torrentURLs);
@@ -52,4 +54,5 @@ private slots:
 
 private:
     Ui::DownloadFromURLDialog *m_ui;
+    SettingValue<QSize> m_storeDialogSize;
 };
diff --git a/src/gui/ipsubnetwhitelistoptionsdialog.cpp b/src/gui/ipsubnetwhitelistoptionsdialog.cpp
index 3474290a1..1e74317e0 100644
--- a/src/gui/ipsubnetwhitelistoptionsdialog.cpp
+++ b/src/gui/ipsubnetwhitelistoptionsdialog.cpp
@@ -38,10 +38,12 @@
 #include "ui_ipsubnetwhitelistoptionsdialog.h"
 #include "utils.h"
 
+#define SETTINGS_KEY(name) "IPSubnetWhitelistOptionsDialog/" name
+
 IPSubnetWhitelistOptionsDialog::IPSubnetWhitelistOptionsDialog(QWidget *parent)
     : QDialog(parent)
     , m_ui(new Ui::IPSubnetWhitelistOptionsDialog)
-    , m_modified(false)
+    , m_storeDialogSize(SETTINGS_KEY("Size"))
 {
     m_ui->setupUi(this);
 
@@ -58,11 +60,12 @@ IPSubnetWhitelistOptionsDialog::IPSubnetWhitelistOptionsDialog(QWidget *parent)
     m_ui->whitelistedIPSubnetList->sortByColumn(0, Qt::AscendingOrder);
     m_ui->buttonWhitelistIPSubnet->setEnabled(false);
 
-    Utils::Gui::resize(this);
+    Utils::Gui::resize(this, m_storeDialogSize);
 }
 
 IPSubnetWhitelistOptionsDialog::~IPSubnetWhitelistOptionsDialog()
 {
+    m_storeDialogSize = size();
     delete m_ui;
 }
 
diff --git a/src/gui/ipsubnetwhitelistoptionsdialog.h b/src/gui/ipsubnetwhitelistoptionsdialog.h
index ac231f070..d7e116632 100644
--- a/src/gui/ipsubnetwhitelistoptionsdialog.h
+++ b/src/gui/ipsubnetwhitelistoptionsdialog.h
@@ -30,6 +30,8 @@
 
 #include <QDialog>
 
+#include "base/settingvalue.h"
+
 class QSortFilterProxyModel;
 class QStringListModel;
 
@@ -38,14 +40,14 @@ namespace Ui
     class IPSubnetWhitelistOptionsDialog;
 }
 
-class IPSubnetWhitelistOptionsDialog : public QDialog
+class IPSubnetWhitelistOptionsDialog final : public QDialog
 {
     Q_OBJECT
     Q_DISABLE_COPY(IPSubnetWhitelistOptionsDialog)
 
 public:
     explicit IPSubnetWhitelistOptionsDialog(QWidget *parent = nullptr);
-    ~IPSubnetWhitelistOptionsDialog();
+    ~IPSubnetWhitelistOptionsDialog() override;
 
 private slots:
     void on_buttonBox_accepted();
@@ -55,7 +57,9 @@ private slots:
 
 private:
     Ui::IPSubnetWhitelistOptionsDialog *m_ui;
+    SettingValue<QSize> m_storeDialogSize;
+
     QStringListModel *m_model;
     QSortFilterProxyModel *m_sortFilter;
-    bool m_modified;
+    bool m_modified = false;
 };
diff --git a/src/gui/optionsdialog.cpp b/src/gui/optionsdialog.cpp
index 8c0a90976..e867b614f 100644
--- a/src/gui/optionsdialog.cpp
+++ b/src/gui/optionsdialog.cpp
@@ -68,6 +68,8 @@
 #include "uithememanager.h"
 #include "utils.h"
 
+#define SETTINGS_KEY(name) "OptionsDialog/" name
+
 namespace
 {
     QStringList translatedWeekdayNames()
@@ -129,7 +131,7 @@ namespace
         case QLocale::Latvian: return QString::fromUtf8(C_LOCALE_LATVIAN);
         case QLocale::Lithuanian: return QString::fromUtf8(C_LOCALE_LITHUANIAN);
         case QLocale::Malay: return QString::fromUtf8(C_LOCALE_MALAY);
-        case QLocale::Norwegian: return QString::fromUtf8(C_LOCALE_NORWEGIAN);
+        case QLocale::NorwegianBokmal: return QString::fromUtf8(C_LOCALE_NORWEGIAN);
         case QLocale::Occitan: return QString::fromUtf8(C_LOCALE_OCCITAN);
         case QLocale::Polish: return QString::fromUtf8(C_LOCALE_POLISH);
         case QLocale::Portuguese:
@@ -169,9 +171,10 @@ private:
 
 // Constructor
 OptionsDialog::OptionsDialog(QWidget *parent)
-    : QDialog(parent)
-    , m_refreshingIpFilter(false)
-    , m_ui(new Ui::OptionsDialog)
+    : QDialog {parent}
+    , m_ui {new Ui::OptionsDialog}
+    , m_storeDialogSize {SETTINGS_KEY("Size")}
+    , m_storeHSplitterSize {SETTINGS_KEY("HorizontalSplitterSizes")}
 {
     qDebug("-> Constructing Options");
     m_ui->setupUi(this);
@@ -565,7 +568,7 @@ OptionsDialog::OptionsDialog(QWidget *parent)
     for (QSpinBox *widget : asConst(findChildren<QSpinBox *>()))
         widget->installEventFilter(wheelEventEater);
 
-    loadWindowState();
+    Utils::Gui::resize(this, m_storeDialogSize);
     show();
     // Have to be called after show(), because splitter width needed
     loadSplitterState();
@@ -606,7 +609,13 @@ OptionsDialog::~OptionsDialog()
 {
     qDebug("-> destructing Options");
 
-    saveWindowState();
+    // save dialog states
+    m_storeDialogSize = size();
+
+    QStringList hSplitterSizes;
+    for (const int size : asConst(m_ui->hsplitter->sizes()))
+        hSplitterSizes.append(QString::number(size));
+    m_storeHSplitterSize = hSplitterSizes;
 
     for (const QString &path : asConst(m_addedScanDirs))
         ScanFoldersModel::instance()->removePath(path);
@@ -621,38 +630,18 @@ void OptionsDialog::changePage(QListWidgetItem *current, QListWidgetItem *previo
     m_ui->tabOption->setCurrentIndex(m_ui->tabSelection->row(current));
 }
 
-void OptionsDialog::loadWindowState()
-{
-    Utils::Gui::resize(this, Preferences::instance()->getPrefSize());
-}
-
 void OptionsDialog::loadSplitterState()
 {
-    const QStringList sizesStr = Preferences::instance()->getPrefHSplitterSizes();
-
     // width has been modified, use height as width reference instead
     const int width = Utils::Gui::scaledSize(this
         , (m_ui->tabSelection->item(TAB_UI)->sizeHint().height() * 2));
-    QList<int> sizes {width, (m_ui->hsplitter->width() - width)};
-    if (sizesStr.size() == 2)
-        sizes = {sizesStr.first().toInt(), sizesStr.last().toInt()};
-    m_ui->hsplitter->setSizes(sizes);
-}
+    const QStringList defaultSizes = {QString::number(width), QString::number(m_ui->hsplitter->width() - width)};
 
-void OptionsDialog::saveWindowState() const
-{
-    Preferences *const pref = Preferences::instance();
+    QList<int> splitterSizes;
+    for (const QString &string : asConst(m_storeHSplitterSize.get(defaultSizes)))
+        splitterSizes.append(string.toInt());
 
-    // window size
-    pref->setPrefSize(size());
-
-    // Splitter size
-    const QStringList sizesStr =
-    {
-        QString::number(m_ui->hsplitter->sizes().first()),
-        QString::number(m_ui->hsplitter->sizes().last())
-    };
-    pref->setPrefHSplitterSizes(sizesStr);
+    m_ui->hsplitter->setSizes(splitterSizes);
 }
 
 void OptionsDialog::saveOptions()
diff --git a/src/gui/optionsdialog.h b/src/gui/optionsdialog.h
index 056dc8e17..8479c450a 100644
--- a/src/gui/optionsdialog.h
+++ b/src/gui/optionsdialog.h
@@ -30,6 +30,8 @@
 
 #include <QDialog>
 
+#include "base/settingvalue.h"
+
 class QAbstractButton;
 class QCloseEvent;
 class QListWidgetItem;
@@ -58,6 +60,8 @@ namespace Ui
 class OptionsDialog final : public QDialog
 {
     Q_OBJECT
+    Q_DISABLE_COPY(OptionsDialog)
+
     using ThisType = OptionsDialog;
 
     enum Tabs
@@ -95,9 +99,7 @@ private slots:
     void enableApplyButton();
     void toggleComboRatioLimitAct();
     void changePage(QListWidgetItem *, QListWidgetItem *);
-    void loadWindowState();
     void loadSplitterState();
-    void saveWindowState() const;
     void handleScanFolderViewSelectionChanged();
     void on_IpFilterRefreshBtn_clicked();
     void handleIPFilterParsed(bool error, int ruleCount);
@@ -161,7 +163,6 @@ private:
     // IP Filter
     bool isIPFilteringEnabled() const;
     QString getFilter() const;
-    bool m_refreshingIpFilter;
     // Queueing system
     bool isQueueingSystemEnabled() const;
     int getMaxActiveDownloads() const;
@@ -177,8 +178,15 @@ private:
     bool schedTimesOk();
 
     Ui::OptionsDialog *m_ui;
+    SettingValue<QSize> m_storeDialogSize;
+    SettingValue<QStringList> m_storeHSplitterSize;
+
     QAbstractButton *m_applyButton;
+
     AdvancedSettings *m_advancedSettings;
+
     QList<QString> m_addedScanDirs;
     QList<QString> m_removedScanDirs;
+
+    bool m_refreshingIpFilter = false;
 };
diff --git a/src/gui/previewselectdialog.cpp b/src/gui/previewselectdialog.cpp
index 7768c6500..cdbb72d86 100644
--- a/src/gui/previewselectdialog.cpp
+++ b/src/gui/previewselectdialog.cpp
@@ -51,7 +51,7 @@ PreviewSelectDialog::PreviewSelectDialog(QWidget *parent, const BitTorrent::Torr
     : QDialog(parent)
     , m_ui(new Ui::PreviewSelectDialog)
     , m_torrent(torrent)
-    , m_storeDialogSize(SETTINGS_KEY("Dimension"))
+    , m_storeDialogSize(SETTINGS_KEY("Size"))
     , m_storeTreeHeaderState(SETTINGS_KEY("HeaderState"))
 {
     m_ui->setupUi(this);
diff --git a/src/gui/search/pluginselectdialog.cpp b/src/gui/search/pluginselectdialog.cpp
index 966300e6c..9ab36b187 100644
--- a/src/gui/search/pluginselectdialog.cpp
+++ b/src/gui/search/pluginselectdialog.cpp
@@ -49,6 +49,8 @@
 #include "searchwidget.h"
 #include "ui_pluginselectdialog.h"
 
+#define SETTINGS_KEY(name) "SearchPluginSelectDialog/" name
+
 enum PluginColumns
 {
     PLUGIN_NAME,
@@ -60,10 +62,9 @@ enum PluginColumns
 
 PluginSelectDialog::PluginSelectDialog(SearchPluginManager *pluginManager, QWidget *parent)
     : QDialog(parent)
-    , m_ui(new Ui::PluginSelectDialog())
+    , m_ui(new Ui::PluginSelectDialog)
+    , m_storeDialogSize(SETTINGS_KEY("Size"))
     , m_pluginManager(pluginManager)
-    , m_asyncOps(0)
-    , m_pendingUpdates(0)
 {
     m_ui->setupUi(this);
     setAttribute(Qt::WA_DeleteOnClose);
@@ -94,12 +95,13 @@ PluginSelectDialog::PluginSelectDialog(SearchPluginManager *pluginManager, QWidg
     connect(m_pluginManager, &SearchPluginManager::checkForUpdatesFinished, this, &PluginSelectDialog::checkForUpdatesFinished);
     connect(m_pluginManager, &SearchPluginManager::checkForUpdatesFailed, this, &PluginSelectDialog::checkForUpdatesFailed);
 
-    Utils::Gui::resize(this);
+    Utils::Gui::resize(this, m_storeDialogSize);
     show();
 }
 
 PluginSelectDialog::~PluginSelectDialog()
 {
+    m_storeDialogSize = size();
     delete m_ui;
 }
 
diff --git a/src/gui/search/pluginselectdialog.h b/src/gui/search/pluginselectdialog.h
index d47767786..23e94b963 100644
--- a/src/gui/search/pluginselectdialog.h
+++ b/src/gui/search/pluginselectdialog.h
@@ -33,6 +33,7 @@
 #include <QStringList>
 
 #include "base/search/searchpluginmanager.h"
+#include "base/settingvalue.h"
 
 class QDropEvent;
 class QTreeWidgetItem;
@@ -91,8 +92,9 @@ private:
     void finishPluginUpdate();
 
     Ui::PluginSelectDialog *m_ui;
+    SettingValue<QSize> m_storeDialogSize;
     SearchPluginManager *m_pluginManager;
     QStringList m_updatedPlugins;
-    int m_asyncOps;
-    int m_pendingUpdates;
+    int m_asyncOps = 0;
+    int m_pendingUpdates = 0;
 };
diff --git a/src/gui/search/pluginsourcedialog.cpp b/src/gui/search/pluginsourcedialog.cpp
index 89148ddb8..35eef656e 100644
--- a/src/gui/search/pluginsourcedialog.cpp
+++ b/src/gui/search/pluginsourcedialog.cpp
@@ -31,19 +31,23 @@
 #include "gui/utils.h"
 #include "ui_pluginsourcedialog.h"
 
+#define SETTINGS_KEY(name) "SearchPluginSourceDialog/" name
+
 PluginSourceDialog::PluginSourceDialog(QWidget *parent)
     : QDialog(parent)
-    , m_ui(new Ui::PluginSourceDialog())
+    , m_ui(new Ui::PluginSourceDialog)
+    , m_storeDialogSize(SETTINGS_KEY("Size"))
 {
     m_ui->setupUi(this);
     setAttribute(Qt::WA_DeleteOnClose);
 
-    Utils::Gui::resize(this);
+    Utils::Gui::resize(this, m_storeDialogSize);
     show();
 }
 
 PluginSourceDialog::~PluginSourceDialog()
 {
+    m_storeDialogSize = size();
     delete m_ui;
 }
 
diff --git a/src/gui/search/pluginsourcedialog.h b/src/gui/search/pluginsourcedialog.h
index 8a8948a5b..5b62c2f9a 100644
--- a/src/gui/search/pluginsourcedialog.h
+++ b/src/gui/search/pluginsourcedialog.h
@@ -30,18 +30,21 @@
 
 #include <QDialog>
 
+#include "base/settingvalue.h"
+
 namespace Ui
 {
     class PluginSourceDialog;
 }
 
-class PluginSourceDialog : public QDialog
+class PluginSourceDialog final : public QDialog
 {
     Q_OBJECT
+    Q_DISABLE_COPY(PluginSourceDialog)
 
 public:
     explicit PluginSourceDialog(QWidget *parent = nullptr);
-    ~PluginSourceDialog();
+    ~PluginSourceDialog() override;
 
 signals:
     void askForUrl();
@@ -53,4 +56,5 @@ private slots:
 
 private:
     Ui::PluginSourceDialog *m_ui;
+    SettingValue<QSize> m_storeDialogSize;
 };
diff --git a/src/gui/speedlimitdialog.cpp b/src/gui/speedlimitdialog.cpp
index 334dd75ac..adae8f56c 100644
--- a/src/gui/speedlimitdialog.cpp
+++ b/src/gui/speedlimitdialog.cpp
@@ -35,6 +35,8 @@
 #include "uithememanager.h"
 #include "utils.h"
 
+#define SETTINGS_KEY(name) "SpeedLimitDialog/" name
+
 namespace
 {
     void updateSliderValue(QSlider *slider, const int value)
@@ -48,6 +50,7 @@ namespace
 SpeedLimitDialog::SpeedLimitDialog(QWidget *parent)
     : QDialog {parent}
     , m_ui {new Ui::SpeedLimitDialog}
+    , m_storeDialogSize {SETTINGS_KEY("Size")}
 {
     m_ui->setupUi(this);
 
@@ -103,11 +106,12 @@ SpeedLimitDialog::SpeedLimitDialog(QWidget *parent)
     connect(m_ui->spinAltDownloadLimit, qOverload<int>(&QSpinBox::valueChanged)
             , this, [this](const int value) { updateSliderValue(m_ui->sliderAltDownloadLimit, value); });
 
-    Utils::Gui::resize(this);
+    Utils::Gui::resize(this, m_storeDialogSize);
 }
 
 SpeedLimitDialog::~SpeedLimitDialog()
 {
+    m_storeDialogSize = size();
     delete m_ui;
 }
 
diff --git a/src/gui/speedlimitdialog.h b/src/gui/speedlimitdialog.h
index 1c3d77676..25a277cbd 100644
--- a/src/gui/speedlimitdialog.h
+++ b/src/gui/speedlimitdialog.h
@@ -30,6 +30,8 @@
 
 #include <QDialog>
 
+#include "base/settingvalue.h"
+
 namespace Ui
 {
     class SpeedLimitDialog;
@@ -38,6 +40,7 @@ namespace Ui
 class SpeedLimitDialog final : public QDialog
 {
     Q_OBJECT
+    Q_DISABLE_COPY(SpeedLimitDialog)
 
 public:
     explicit SpeedLimitDialog(QWidget *parent);
@@ -48,6 +51,7 @@ public slots:
 
 private:
     Ui::SpeedLimitDialog *m_ui;
+    SettingValue<QSize> m_storeDialogSize;
     struct
     {
         int uploadSpeedLimit;
diff --git a/src/gui/statsdialog.cpp b/src/gui/statsdialog.cpp
index 1cb43f5f3..c618cfa3c 100644
--- a/src/gui/statsdialog.cpp
+++ b/src/gui/statsdialog.cpp
@@ -40,9 +40,12 @@
 #include "ui_statsdialog.h"
 #include "utils.h"
 
+#define SETTINGS_KEY(name) "StatisticsDialog/" name
+
 StatsDialog::StatsDialog(QWidget *parent)
     : QDialog(parent)
     , m_ui(new Ui::StatsDialog)
+    , m_storeDialogSize(SETTINGS_KEY("Size"))
 {
     m_ui->setupUi(this);
     setAttribute(Qt::WA_DeleteOnClose);
@@ -57,12 +60,13 @@ StatsDialog::StatsDialog(QWidget *parent)
     m_ui->labelCacheHits->hide();
 #endif
 
-    Utils::Gui::resize(this);
+    Utils::Gui::resize(this, m_storeDialogSize);
     show();
 }
 
 StatsDialog::~StatsDialog()
 {
+    m_storeDialogSize = size();
     delete m_ui;
 }
 
diff --git a/src/gui/statsdialog.h b/src/gui/statsdialog.h
index d2add7915..8b3509841 100644
--- a/src/gui/statsdialog.h
+++ b/src/gui/statsdialog.h
@@ -30,6 +30,8 @@
 
 #include <QDialog>
 
+#include "base/settingvalue.h"
+
 namespace Ui
 {
     class StatsDialog;
@@ -38,6 +40,7 @@ namespace Ui
 class StatsDialog final : public QDialog
 {
     Q_OBJECT
+    Q_DISABLE_COPY(StatsDialog)
 
 public:
   explicit StatsDialog(QWidget *parent);
@@ -48,4 +51,5 @@ private slots:
 
 private:
     Ui::StatsDialog *m_ui;
+    SettingValue<QSize> m_storeDialogSize;
 };
diff --git a/src/gui/torrentcreatordialog.cpp b/src/gui/torrentcreatordialog.cpp
index 120c67dc1..1dc2a9fda 100644
--- a/src/gui/torrentcreatordialog.cpp
+++ b/src/gui/torrentcreatordialog.cpp
@@ -48,7 +48,7 @@ TorrentCreatorDialog::TorrentCreatorDialog(QWidget *parent, const QString &defau
     : QDialog(parent)
     , m_ui(new Ui::TorrentCreatorDialog)
     , m_creatorThread(new BitTorrent::TorrentCreatorThread(this))
-    , m_storeDialogSize(SETTINGS_KEY("Dimension"))
+    , m_storeDialogSize(SETTINGS_KEY("Size"))
     , m_storePieceSize(SETTINGS_KEY("PieceSize"))
     , m_storePrivateTorrent(SETTINGS_KEY("PrivateTorrent"))
     , m_storeStartSeeding(SETTINGS_KEY("StartSeeding"))
diff --git a/src/gui/torrentoptionsdialog.cpp b/src/gui/torrentoptionsdialog.cpp
index b80122573..335cf3987 100644
--- a/src/gui/torrentoptionsdialog.cpp
+++ b/src/gui/torrentoptionsdialog.cpp
@@ -39,6 +39,8 @@
 #include "ui_torrentoptionsdialog.h"
 #include "utils.h"
 
+#define SETTINGS_KEY(name) "TorrentOptionsDialog/" name
+
 namespace
 {
     const int MIXED_SHARE_LIMITS = -9;
@@ -54,6 +56,7 @@ namespace
 TorrentOptionsDialog::TorrentOptionsDialog(QWidget *parent, const QVector<BitTorrent::TorrentHandle *> &torrents)
     : QDialog {parent}
     , m_ui {new Ui::TorrentOptionsDialog}
+    , m_storeDialogSize {SETTINGS_KEY("Size")}
 {
     m_ui->setupUi(this);
 
@@ -265,11 +268,12 @@ TorrentOptionsDialog::TorrentOptionsDialog(QWidget *parent, const QVector<BitTor
             , this, &TorrentOptionsDialog::handleRatioTypeChanged);
 #endif
 
-    Utils::Gui::resize(this);
+    Utils::Gui::resize(this, m_storeDialogSize);
 }
 
 TorrentOptionsDialog::~TorrentOptionsDialog()
 {
+    m_storeDialogSize = size();
     delete m_ui;
 }
 
diff --git a/src/gui/torrentoptionsdialog.h b/src/gui/torrentoptionsdialog.h
index ac64a9e5f..728b271c1 100644
--- a/src/gui/torrentoptionsdialog.h
+++ b/src/gui/torrentoptionsdialog.h
@@ -30,6 +30,8 @@
 
 #include <QDialog>
 
+#include "base/settingvalue.h"
+
 namespace BitTorrent
 {
     class InfoHash;
@@ -44,6 +46,7 @@ namespace Ui
 class TorrentOptionsDialog final : public QDialog
 {
     Q_OBJECT
+    Q_DISABLE_COPY(TorrentOptionsDialog)
 
 public:
     explicit TorrentOptionsDialog(QWidget *parent, const QVector<BitTorrent::TorrentHandle *> &torrents);
@@ -64,6 +67,7 @@ private:
 
     QVector<BitTorrent::InfoHash> m_torrentHashes;
     Ui::TorrentOptionsDialog *m_ui;
+    SettingValue<QSize> m_storeDialogSize;
     struct
     {
         qreal ratio;
diff --git a/src/gui/trackerentriesdialog.cpp b/src/gui/trackerentriesdialog.cpp
index 62d2db1e0..e02f688db 100644
--- a/src/gui/trackerentriesdialog.cpp
+++ b/src/gui/trackerentriesdialog.cpp
@@ -42,7 +42,7 @@
 TrackerEntriesDialog::TrackerEntriesDialog(QWidget *parent)
     : QDialog(parent)
     , m_ui(new Ui::TrackerEntriesDialog)
-    , m_storeDialogSize(SETTINGS_KEY("Dimension"))
+    , m_storeDialogSize(SETTINGS_KEY("Size"))
 {
     m_ui->setupUi(this);