diff --git a/src/main/kotlin/ca/gosyer/data/ui/UiPreferences.kt b/src/main/kotlin/ca/gosyer/data/ui/UiPreferences.kt
index 71cdf5bb..dce171e3 100644
--- a/src/main/kotlin/ca/gosyer/data/ui/UiPreferences.kt
+++ b/src/main/kotlin/ca/gosyer/data/ui/UiPreferences.kt
@@ -62,4 +62,8 @@ class UiPreferences(private val preferenceStore: PreferenceStore) {
     fun window(): Preference<WindowSettings> {
         return preferenceStore.getJsonObject("window", WindowSettings(), WindowSettings.serializer())
     }
+
+    fun readerWindow(): Preference<WindowSettings> {
+        return preferenceStore.getJsonObject("reader_window", WindowSettings(), WindowSettings.serializer())
+    }
 }
diff --git a/src/main/kotlin/ca/gosyer/data/ui/model/WindowSettings.kt b/src/main/kotlin/ca/gosyer/data/ui/model/WindowSettings.kt
index f0060b79..bbcd0a6c 100644
--- a/src/main/kotlin/ca/gosyer/data/ui/model/WindowSettings.kt
+++ b/src/main/kotlin/ca/gosyer/data/ui/model/WindowSettings.kt
@@ -15,15 +15,26 @@ data class WindowSettings(
     val x: Int? = null,
     val y: Int? = null,
     val width: Int? = null,
-    val height: Int? = null
+    val height: Int? = null,
+    val maximized: Boolean? = null
 ) {
-    fun get(): Pair<IntOffset, IntSize> {
+    fun get(): WindowGet {
         val offset = if (x != null && y != null) {
             IntOffset(x, y)
         } else {
             IntOffset.Zero
         }
         val size = IntSize(width ?: 800, height ?: 600)
-        return offset to size
+        return WindowGet(
+            offset,
+            size,
+            maximized ?: false
+        )
     }
+
+    data class WindowGet(
+        val offset: IntOffset,
+        val size: IntSize,
+        val maximized: Boolean
+    )
 }
diff --git a/src/main/kotlin/ca/gosyer/ui/main/main.kt b/src/main/kotlin/ca/gosyer/ui/main/main.kt
index 8c9ef1f1..4d04c2af 100644
--- a/src/main/kotlin/ca/gosyer/ui/main/main.kt
+++ b/src/main/kotlin/ca/gosyer/ui/main/main.kt
@@ -77,7 +77,11 @@ fun main() {
         .launchIn(GlobalScope)
 
     val windowSettings = scope.getInstance<UiPreferences>().window()
-    val (offset, size) = windowSettings.get().get()
+    val (
+        offset,
+        size,
+        maximized
+    ) = windowSettings.get().get()
 
     SwingUtilities.invokeLater {
         val window = AppWindow(
@@ -87,6 +91,10 @@ fun main() {
             centered = offset == IntOffset.Zero
         )
 
+        if (maximized) {
+            window.maximize()
+        }
+
         val backPressHandler = BackPressHandler()
         window.keyboard.setShortcut(Key.Home) {
             backPressHandler.handle()
@@ -98,7 +106,8 @@ fun main() {
                     window.x,
                     window.y,
                     window.width,
-                    window.height
+                    window.height,
+                    window.isMaximized
                 )
             )
         }
diff --git a/src/main/kotlin/ca/gosyer/ui/reader/ReaderMenu.kt b/src/main/kotlin/ca/gosyer/ui/reader/ReaderMenu.kt
index 7fa111b2..6226f66b 100644
--- a/src/main/kotlin/ca/gosyer/ui/reader/ReaderMenu.kt
+++ b/src/main/kotlin/ca/gosyer/ui/reader/ReaderMenu.kt
@@ -30,8 +30,12 @@ import androidx.compose.ui.graphics.ImageBitmap
 import androidx.compose.ui.input.key.Key
 import androidx.compose.ui.input.key.KeysSet
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.unit.IntOffset
 import androidx.compose.ui.unit.dp
+import ca.gosyer.common.di.AppScope
 import ca.gosyer.data.reader.model.Direction
+import ca.gosyer.data.ui.UiPreferences
+import ca.gosyer.data.ui.model.WindowSettings
 import ca.gosyer.ui.base.KeyboardShortcut
 import ca.gosyer.ui.base.components.ErrorScreen
 import ca.gosyer.ui.base.components.LoadingScreen
@@ -41,23 +45,50 @@ import ca.gosyer.ui.base.vm.viewModel
 import ca.gosyer.ui.reader.model.ReaderChapter
 import ca.gosyer.ui.reader.model.ReaderPage
 import com.google.accompanist.pager.HorizontalPager
-import com.google.accompanist.pager.PagerScope
 import com.google.accompanist.pager.VerticalPager
 import com.google.accompanist.pager.rememberPagerState
+import toothpick.ktp.extension.getInstance
 import javax.swing.SwingUtilities
 
 fun openReaderMenu(chapterIndex: Int, mangaId: Long) {
+    val windowSettings = AppScope.getInstance<UiPreferences>()
+        .readerWindow()
+    val (
+        offset,
+        size,
+        maximized
+    ) = windowSettings.get().get()
+
     SwingUtilities.invokeLater {
         val window = AppWindow(
-            "TachideskJUI - Reader"
+            "TachideskJUI - Reader",
+            size = size,
+            location = offset,
+            centered = offset == IntOffset.Zero
         )
 
+        if (maximized) {
+            window.maximize()
+        }
+
         val setHotkeys: (List<KeyboardShortcut>) -> Unit = { shortcuts ->
             shortcuts.forEach {
                 window.keyboard.setShortcut(it.key) { it.shortcut(window) }
             }
         }
 
+        window.events.onClose = {
+            windowSettings.set(
+                WindowSettings(
+                    window.x,
+                    window.y,
+                    window.width,
+                    window.height,
+                    window.isMaximized
+                )
+            )
+        }
+
         window.show {
             AppTheme {
                 ReaderMenu(chapterIndex, mangaId, setHotkeys)
@@ -203,7 +234,7 @@ fun PagerReader(
 }
 
 @Composable
-fun PagerScope.HandlePager(
+fun HandlePager(
     pages: List<ReaderPage>,
     page: Int,
     previousChapter: ReaderChapter?,