diff --git a/app/src/common/shared/com/igalia/wolvic/browser/SettingsStore.java b/app/src/common/shared/com/igalia/wolvic/browser/SettingsStore.java
index cb609ba28d9..897eb245096 100644
--- a/app/src/common/shared/com/igalia/wolvic/browser/SettingsStore.java
+++ b/app/src/common/shared/com/igalia/wolvic/browser/SettingsStore.java
@@ -105,6 +105,36 @@ SettingsStore getInstance(final @NonNull Context aContext) {
     // The maximum size is computed so the resulting texture fits within 2560x2560.
     public final static int MAX_WINDOW_WIDTH_DEFAULT = 1200;
     public final static int MAX_WINDOW_HEIGHT_DEFAULT = 800;
+    public enum WindowSizePreset {
+        PRESET_0(WINDOW_WIDTH_DEFAULT, WINDOW_HEIGHT_DEFAULT),
+        PRESET_1(750, 500),
+        PRESET_2(825, 550),
+        PRESET_3(900, 600);
+
+        public final int width;
+        public final int height;
+
+        WindowSizePreset(int width, int height) {
+            this.width = width;
+            this.height = height;
+        }
+        public static WindowSizePreset fromId(int id) {
+            if (id >= 0 && id < values().length) {
+                return values()[id];
+            } else {
+                return WINDOW_SIZE_PRESET_DEFAULT;
+            }
+        }
+        public static WindowSizePreset fromValues(int width, int height) {
+            for (WindowSizePreset preset : values()) {
+                if (preset.width == width && preset.height == height) {
+                    return preset;
+                }
+            }
+            return WINDOW_SIZE_PRESET_DEFAULT;
+        }
+    }
+    public final static WindowSizePreset WINDOW_SIZE_PRESET_DEFAULT = WindowSizePreset.PRESET_0;
 
     public final static int POINTER_COLOR_DEFAULT_DEFAULT = Color.parseColor("#FFFFFF");
     public final static int SCROLL_DIRECTION_DEFAULT = 0;
@@ -477,11 +507,21 @@ public void setDisplayDensity(float aDensity) {
     }
 
     public int getWindowWidth() {
-        return WINDOW_WIDTH_DEFAULT;
+        return mPrefs.getInt(
+                mContext.getString(R.string.settings_key_window_width), WINDOW_WIDTH_DEFAULT);
     }
 
     public int getWindowHeight() {
-        return WINDOW_HEIGHT_DEFAULT;
+        return mPrefs.getInt(
+                mContext.getString(R.string.settings_key_window_height), WINDOW_HEIGHT_DEFAULT);
+    }
+
+    public void setWindowSizePreset(int presetId) {
+        WindowSizePreset preset = WindowSizePreset.fromId(presetId);
+        SharedPreferences.Editor editor = mPrefs.edit();
+        editor.putInt(mContext.getString(R.string.settings_key_window_width), preset.width);
+        editor.putInt(mContext.getString(R.string.settings_key_window_height), preset.height);
+        editor.commit();
     }
 
     public float getWindowAspect() {
diff --git a/app/src/common/shared/com/igalia/wolvic/ui/views/settings/RadioGroupSetting.java b/app/src/common/shared/com/igalia/wolvic/ui/views/settings/RadioGroupSetting.java
index f6ddaca975e..6a58d43bd4a 100644
--- a/app/src/common/shared/com/igalia/wolvic/ui/views/settings/RadioGroupSetting.java
+++ b/app/src/common/shared/com/igalia/wolvic/ui/views/settings/RadioGroupSetting.java
@@ -158,6 +158,10 @@ public int getCheckedRadioButtonId() {
     public void setOptions(@NonNull String[] options) {
         mRadioGroup.removeAllViews();
 
+        if (options.length >= 4) {
+            mRadioGroup.setOrientation(VERTICAL);
+        }
+
         for (int i=0; i<options.length; i++) {
             SpannableString spannable = new SpannableString(options[i]);
             if (mDescriptions != null && mDescriptions[i] != null) {
@@ -179,6 +183,9 @@ public void setOptions(@NonNull String[] options) {
             button.setText(spannable);
             button.setSingleLine(false);
             button.setLayoutParams(getItemParams(i));
+            if (mRadioGroup.getOrientation() == VERTICAL) {
+                button.setPadding(15, 0, 15, 15);
+            }
             mRadioGroup.addView(button);
         }
     }
diff --git a/app/src/common/shared/com/igalia/wolvic/ui/widgets/WindowWidget.java b/app/src/common/shared/com/igalia/wolvic/ui/widgets/WindowWidget.java
index ba3db0c8cc8..439939db8ac 100644
--- a/app/src/common/shared/com/igalia/wolvic/ui/widgets/WindowWidget.java
+++ b/app/src/common/shared/com/igalia/wolvic/ui/widgets/WindowWidget.java
@@ -1050,7 +1050,7 @@ public void centerFrontWindowIfNeeded() {
         // default position
         mWidgetPlacement.translationY = WidgetPlacement.unitFromMeters(getContext(), R.dimen.window_world_y);
         // center vertically relative to the default position
-        mWidgetPlacement.translationY += (SettingsStore.WINDOW_HEIGHT_DEFAULT - mWidgetPlacement.height) / 2.0f;
+        mWidgetPlacement.translationY += (SettingsStore.getInstance(getContext()).getWindowHeight() - mWidgetPlacement.height) / 2.0f;
         mWidgetManager.updateWidget(this);
         mWidgetManager.updateVisibleWidgets();
     }
@@ -1568,14 +1568,23 @@ public Pair<Float, Float> getMaxWorldSize() {
     }
 
     public Pair<Float, Float> getMinWorldSize() {
+        SettingsStore settings = SettingsStore.getInstance(getContext());
         float minWidth = WidgetPlacement.floatDimension(getContext(), R.dimen.window_world_width) * MIN_SCALE;
-        float minHeight = minWidth * SettingsStore.WINDOW_HEIGHT_DEFAULT / SettingsStore.WINDOW_WIDTH_DEFAULT;
+        float minHeight = minWidth * settings.getWindowHeight() / settings.getWindowWidth();
         return new Pair<>(minWidth, minHeight);
     }
 
+    public Pair<Float, Float> getDefaultWorldSize() {
+        SettingsStore settings = SettingsStore.getInstance(getContext());
+        float defaultWidth = settings.getWindowWidth() * WidgetPlacement.worldToDpRatio(getContext());
+        float defaultHeight = settings.getWindowHeight() * WidgetPlacement.worldToDpRatio(getContext());
+        return new Pair<>(defaultWidth, defaultHeight);
+    }
+
     public @NonNull Pair<Float, Float> getSizeForScale(float aScale, float aAspect) {
         Pair<Float, Float> minWorldSize = getMinWorldSize();
         Pair<Float, Float> maxWorldSize = getMaxWorldSize();
+        Pair<Float, Float> defaultWorldSize = getDefaultWorldSize();
         Pair<Float,Float> mainAxisMinMax, crossAxisMinMax;
         float mainAxisDefault, mainAxisTarget;
         float mainCrossAspect;
@@ -1583,13 +1592,13 @@ public Pair<Float, Float> getMinWorldSize() {
         boolean isHorizontal = aAspect >= 1.0;
         if (isHorizontal) {
             // horizontal orientation
-            mainAxisDefault = WidgetPlacement.floatDimension(getContext(), R.dimen.window_world_width);
+            mainAxisDefault = defaultWorldSize.first;
             mainAxisMinMax = Pair.create(minWorldSize.first, maxWorldSize.first);
             crossAxisMinMax = Pair.create(minWorldSize.second, maxWorldSize.second);
             mainCrossAspect = aAspect;
         } else {
             // vertical orientation
-            mainAxisDefault = WidgetPlacement.floatDimension(getContext(), R.dimen.window_world_width) * aAspect;
+            mainAxisDefault = defaultWorldSize.second;
             mainAxisMinMax = Pair.create(minWorldSize.second, maxWorldSize.second);
             crossAxisMinMax = Pair.create(minWorldSize.first, maxWorldSize.first);
             mainCrossAspect = 1 / aAspect;
diff --git a/app/src/common/shared/com/igalia/wolvic/ui/widgets/Windows.java b/app/src/common/shared/com/igalia/wolvic/ui/widgets/Windows.java
index 9a9e4ea8419..32ac6f07aad 100644
--- a/app/src/common/shared/com/igalia/wolvic/ui/widgets/Windows.java
+++ b/app/src/common/shared/com/igalia/wolvic/ui/widgets/Windows.java
@@ -905,7 +905,7 @@ private void placeWindow(@NonNull WindowWidget aWindow, WindowPlacement aPositio
                 placement.translationY = WidgetPlacement.unitFromMeters(mContext, R.dimen.window_world_y);
                 if (centerWindow) {
                     // center the window vertically relative to its default position
-                    placement.translationY += (SettingsStore.WINDOW_HEIGHT_DEFAULT - placement.height) / 2.0f;
+                    placement.translationY += (SettingsStore.getInstance(mContext).getWindowHeight() - placement.height) / 2.0f;
                 }
                 placement.translationZ = WidgetPlacement.getWindowWorldZMeters(mContext);
                 break;
diff --git a/app/src/common/shared/com/igalia/wolvic/ui/widgets/settings/DisplayOptionsView.java b/app/src/common/shared/com/igalia/wolvic/ui/widgets/settings/DisplayOptionsView.java
index ddcf3c920b1..d2225602ab4 100644
--- a/app/src/common/shared/com/igalia/wolvic/ui/widgets/settings/DisplayOptionsView.java
+++ b/app/src/common/shared/com/igalia/wolvic/ui/widgets/settings/DisplayOptionsView.java
@@ -22,6 +22,9 @@
 import com.igalia.wolvic.ui.widgets.WidgetManagerDelegate;
 import com.igalia.wolvic.ui.widgets.WidgetPlacement;
 
+import java.util.ArrayList;
+import java.util.List;
+
 class DisplayOptionsView extends SettingsView {
 
     private OptionsDisplayBinding mBinding;
@@ -72,6 +75,17 @@ protected void updateUI() {
         mBinding.msaaRadio.setOnCheckedChangeListener(mMSSAChangeListener);
         setMSAAMode(mBinding.msaaRadio.getIdForValue(msaaLevel), false);
 
+        List<String> windowSizePresets = new ArrayList<>();
+        for (SettingsStore.WindowSizePreset preset : SettingsStore.WindowSizePreset.values()) {
+            windowSizePresets.add(getContext().getString(R.string.window_size_preset, preset.width, preset.height));
+        }
+        mBinding.windowsSize.setOptions(windowSizePresets.toArray(new String[0]));
+        mBinding.windowsSize.setOnCheckedChangeListener(mWindowsSizeChangeListener);
+        int windowWidth = SettingsStore.getInstance(getContext()).getWindowWidth();
+        int windowHeight = SettingsStore.getInstance(getContext()).getWindowHeight();
+        SettingsStore.WindowSizePreset windowSizePreset = SettingsStore.WindowSizePreset.fromValues(windowWidth, windowHeight);
+        setWindowsSizePreset(windowSizePreset.ordinal(), false);
+
         mBinding.autoplaySwitch.setOnCheckedChangeListener(mAutoplayListener);
         setAutoplay(SettingsStore.getInstance(getContext()).isAutoplayEnabled(), false);
 
@@ -165,6 +179,10 @@ public boolean isEditing() {
         setMSAAMode(checkedId, true);
     };
 
+    private RadioGroupSetting.OnCheckedChangeListener mWindowsSizeChangeListener = (radioGroup, checkedId, doApply) -> {
+        setWindowsSizePreset(checkedId, true);
+    };
+
     private SwitchSetting.OnCheckedChangeListener mAutoplayListener = (compoundButton, enabled, apply) -> {
         setAutoplay(enabled, true);
     };
@@ -249,6 +267,10 @@ public boolean isEditing() {
             restart = true;
         }
 
+        if (mBinding.windowsSize.getCheckedRadioButtonId() != SettingsStore.WINDOW_SIZE_PRESET_DEFAULT.ordinal()) {
+            setWindowsSizePreset(SettingsStore.WINDOW_SIZE_PRESET_DEFAULT.ordinal(), true);
+        }
+
         float prevDensity = SettingsStore.getInstance(getContext()).getDisplayDensity();
         restart = restart | setDisplayDensity(SettingsStore.DISPLAY_DENSITY_DEFAULT);
         int prevDpi = SettingsStore.getInstance(getContext()).getDisplayDpi();
@@ -410,6 +432,14 @@ private void setMSAAMode(int checkedId, boolean doApply) {
         }
     }
 
+    private void setWindowsSizePreset(int checkedId, boolean doApply) {
+        mBinding.windowsSize.setOnCheckedChangeListener(null);
+        mBinding.windowsSize.setChecked(checkedId, doApply);
+        mBinding.windowsSize.setOnCheckedChangeListener(mWindowsSizeChangeListener);
+
+        SettingsStore.getInstance(getContext()).setWindowSizePreset(checkedId);
+    }
+
     private boolean setDisplayDensity(float newDensity) {
         mBinding.densityEdit.setOnClickListener(null);
         boolean restart = false;
diff --git a/app/src/main/res/layout/options_display.xml b/app/src/main/res/layout/options_display.xml
index d6e8de6dbdf..13678adbfe3 100644
--- a/app/src/main/res/layout/options_display.xml
+++ b/app/src/main/res/layout/options_display.xml
@@ -90,6 +90,12 @@
                     app:options="@array/developer_options_msaa"
                     app:values="@array/developer_options_msaa_mode_values" />
 
+                <com.igalia.wolvic.ui.views.settings.RadioGroupSetting
+                    android:id="@+id/windows_size"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    app:description="Default window's size" />
+
                 <com.igalia.wolvic.ui.views.settings.SingleEditSetting
                     android:id="@+id/homepage_edit"
                     android:layout_width="match_parent"
diff --git a/app/src/main/res/values/non_L10n.xml b/app/src/main/res/values/non_L10n.xml
index 583beb6c3fe..61506d2f877 100644
--- a/app/src/main/res/values/non_L10n.xml
+++ b/app/src/main/res/values/non_L10n.xml
@@ -21,6 +21,8 @@
     <string name="settings_key_speech_data_collection" translatable="false">settings_key_speech_data_collection</string>
     <string name="settings_key_speech_data_collection_reviewed" translatable="false">settings_key_speech_data_collection_accept</string>
     <string name="settings_key_window_distance" translatable="false">settings_window_distance</string>
+    <string name="settings_key_window_width" translatable="false">settings_window_width</string>
+    <string name="settings_key_window_height" translatable="false">settings_window_height</string>
     <string name="settings_key_user_agent_version" translatable="false">settings_user_agent_version_v2</string>
     <string name="settings_key_input_mode" translatable="false">settings_touch_mode</string>
     <string name="settings_key_center_windows" translatable="false">settings_center_windows</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f7d2fbdfe1c..25f697d4735 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -607,6 +607,9 @@
     <!-- This string is used to label the MSAA radio button that enables two times MSAA in Immersive Mode. -->
     <string name="developer_options_msaa_4">4x</string>
 
+    <!-- This string is used to label the radio buttons for setting the default size of windows. -->
+    <string name="window_size_preset">%1$d×%2$d</string>
+
     <!-- This string is used to label a set of radio buttons that allow the user to change the
          User-Agent (UA) string of the browser. -->
     <string name="developer_options_ua_mode">User-Agent Mode</string>