diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index a298599b7..4e826f287 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -140,6 +140,7 @@ dependencies {
     implementation(project(":core"))
     implementation(project(":source-api"))
     implementation(project(":data"))
+    implementation(project(":domain"))
 
     // Compose
     implementation(platform(compose.bom))
diff --git a/app/src/main/java/eu/kanade/domain/DomainModule.kt b/app/src/main/java/eu/kanade/domain/DomainModule.kt
index 7b28cd8a2..b9837573d 100644
--- a/app/src/main/java/eu/kanade/domain/DomainModule.kt
+++ b/app/src/main/java/eu/kanade/domain/DomainModule.kt
@@ -1,6 +1,5 @@
 package eu.kanade.domain
 
-import eu.kanade.data.category.CategoryRepositoryImpl
 import eu.kanade.data.chapter.ChapterRepositoryImpl
 import eu.kanade.data.history.HistoryRepositoryImpl
 import eu.kanade.data.manga.MangaRepositoryImpl
@@ -18,7 +17,6 @@ import eu.kanade.domain.category.interactor.SetDisplayModeForCategory
 import eu.kanade.domain.category.interactor.SetMangaCategories
 import eu.kanade.domain.category.interactor.SetSortModeForCategory
 import eu.kanade.domain.category.interactor.UpdateCategory
-import eu.kanade.domain.category.repository.CategoryRepository
 import eu.kanade.domain.chapter.interactor.GetChapter
 import eu.kanade.domain.chapter.interactor.GetChapterByMangaId
 import eu.kanade.domain.chapter.interactor.SetMangaDefaultChapterFlags
@@ -67,6 +65,8 @@ import eu.kanade.domain.track.interactor.InsertTrack
 import eu.kanade.domain.track.repository.TrackRepository
 import eu.kanade.domain.updates.interactor.GetUpdates
 import eu.kanade.domain.updates.repository.UpdatesRepository
+import tachiyomi.data.category.CategoryRepositoryImpl
+import tachiyomi.domain.category.repository.CategoryRepository
 import uy.kohesive.injekt.api.InjektModule
 import uy.kohesive.injekt.api.InjektRegistrar
 import uy.kohesive.injekt.api.addFactory
diff --git a/app/src/main/java/eu/kanade/domain/category/interactor/CreateCategoryWithName.kt b/app/src/main/java/eu/kanade/domain/category/interactor/CreateCategoryWithName.kt
index 723ec3b74..ff10f1461 100644
--- a/app/src/main/java/eu/kanade/domain/category/interactor/CreateCategoryWithName.kt
+++ b/app/src/main/java/eu/kanade/domain/category/interactor/CreateCategoryWithName.kt
@@ -1,11 +1,11 @@
 package eu.kanade.domain.category.interactor
 
-import eu.kanade.domain.category.model.Category
-import eu.kanade.domain.category.repository.CategoryRepository
 import eu.kanade.domain.library.service.LibraryPreferences
 import eu.kanade.tachiyomi.util.lang.withNonCancellableContext
 import eu.kanade.tachiyomi.util.system.logcat
 import logcat.LogPriority
+import tachiyomi.domain.category.model.Category
+import tachiyomi.domain.category.repository.CategoryRepository
 
 class CreateCategoryWithName(
     private val categoryRepository: CategoryRepository,
diff --git a/app/src/main/java/eu/kanade/domain/category/interactor/DeleteCategory.kt b/app/src/main/java/eu/kanade/domain/category/interactor/DeleteCategory.kt
index 54f622e23..66af386b8 100644
--- a/app/src/main/java/eu/kanade/domain/category/interactor/DeleteCategory.kt
+++ b/app/src/main/java/eu/kanade/domain/category/interactor/DeleteCategory.kt
@@ -1,10 +1,10 @@
 package eu.kanade.domain.category.interactor
 
-import eu.kanade.domain.category.model.CategoryUpdate
-import eu.kanade.domain.category.repository.CategoryRepository
 import eu.kanade.tachiyomi.util.lang.withNonCancellableContext
 import eu.kanade.tachiyomi.util.system.logcat
 import logcat.LogPriority
+import tachiyomi.domain.category.model.CategoryUpdate
+import tachiyomi.domain.category.repository.CategoryRepository
 
 class DeleteCategory(
     private val categoryRepository: CategoryRepository,
diff --git a/app/src/main/java/eu/kanade/domain/category/interactor/GetCategories.kt b/app/src/main/java/eu/kanade/domain/category/interactor/GetCategories.kt
index a13fb7e89..379d7d737 100644
--- a/app/src/main/java/eu/kanade/domain/category/interactor/GetCategories.kt
+++ b/app/src/main/java/eu/kanade/domain/category/interactor/GetCategories.kt
@@ -1,8 +1,8 @@
 package eu.kanade.domain.category.interactor
 
-import eu.kanade.domain.category.model.Category
-import eu.kanade.domain.category.repository.CategoryRepository
 import kotlinx.coroutines.flow.Flow
+import tachiyomi.domain.category.model.Category
+import tachiyomi.domain.category.repository.CategoryRepository
 
 class GetCategories(
     private val categoryRepository: CategoryRepository,
diff --git a/app/src/main/java/eu/kanade/domain/category/interactor/RenameCategory.kt b/app/src/main/java/eu/kanade/domain/category/interactor/RenameCategory.kt
index b298ac020..1053cdd80 100644
--- a/app/src/main/java/eu/kanade/domain/category/interactor/RenameCategory.kt
+++ b/app/src/main/java/eu/kanade/domain/category/interactor/RenameCategory.kt
@@ -1,11 +1,11 @@
 package eu.kanade.domain.category.interactor
 
-import eu.kanade.domain.category.model.Category
-import eu.kanade.domain.category.model.CategoryUpdate
-import eu.kanade.domain.category.repository.CategoryRepository
 import eu.kanade.tachiyomi.util.lang.withNonCancellableContext
 import eu.kanade.tachiyomi.util.system.logcat
 import logcat.LogPriority
+import tachiyomi.domain.category.model.Category
+import tachiyomi.domain.category.model.CategoryUpdate
+import tachiyomi.domain.category.repository.CategoryRepository
 
 class RenameCategory(
     private val categoryRepository: CategoryRepository,
diff --git a/app/src/main/java/eu/kanade/domain/category/interactor/ReorderCategory.kt b/app/src/main/java/eu/kanade/domain/category/interactor/ReorderCategory.kt
index 3687e4880..5df5940d9 100644
--- a/app/src/main/java/eu/kanade/domain/category/interactor/ReorderCategory.kt
+++ b/app/src/main/java/eu/kanade/domain/category/interactor/ReorderCategory.kt
@@ -1,13 +1,13 @@
 package eu.kanade.domain.category.interactor
 
-import eu.kanade.domain.category.model.Category
-import eu.kanade.domain.category.model.CategoryUpdate
-import eu.kanade.domain.category.repository.CategoryRepository
 import eu.kanade.tachiyomi.util.lang.withNonCancellableContext
 import eu.kanade.tachiyomi.util.system.logcat
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import logcat.LogPriority
+import tachiyomi.domain.category.model.Category
+import tachiyomi.domain.category.model.CategoryUpdate
+import tachiyomi.domain.category.repository.CategoryRepository
 import java.util.Collections
 
 class ReorderCategory(
diff --git a/app/src/main/java/eu/kanade/domain/category/interactor/ResetCategoryFlags.kt b/app/src/main/java/eu/kanade/domain/category/interactor/ResetCategoryFlags.kt
index 773301967..2c75493bd 100644
--- a/app/src/main/java/eu/kanade/domain/category/interactor/ResetCategoryFlags.kt
+++ b/app/src/main/java/eu/kanade/domain/category/interactor/ResetCategoryFlags.kt
@@ -1,8 +1,8 @@
 package eu.kanade.domain.category.interactor
 
-import eu.kanade.domain.category.repository.CategoryRepository
 import eu.kanade.domain.library.model.plus
 import eu.kanade.domain.library.service.LibraryPreferences
+import tachiyomi.domain.category.repository.CategoryRepository
 
 class ResetCategoryFlags(
     private val preferences: LibraryPreferences,
diff --git a/app/src/main/java/eu/kanade/domain/category/interactor/SetDisplayModeForCategory.kt b/app/src/main/java/eu/kanade/domain/category/interactor/SetDisplayModeForCategory.kt
index 2f1e67018..52e098e3a 100644
--- a/app/src/main/java/eu/kanade/domain/category/interactor/SetDisplayModeForCategory.kt
+++ b/app/src/main/java/eu/kanade/domain/category/interactor/SetDisplayModeForCategory.kt
@@ -1,12 +1,12 @@
 package eu.kanade.domain.category.interactor
 
-import eu.kanade.domain.category.model.Category
-import eu.kanade.domain.category.model.CategoryUpdate
-import eu.kanade.domain.category.repository.CategoryRepository
 import eu.kanade.domain.library.model.LibraryDisplayMode
 import eu.kanade.domain.library.model.LibraryGroup
 import eu.kanade.domain.library.model.plus
 import eu.kanade.domain.library.service.LibraryPreferences
+import tachiyomi.domain.category.model.Category
+import tachiyomi.domain.category.model.CategoryUpdate
+import tachiyomi.domain.category.repository.CategoryRepository
 
 class SetDisplayModeForCategory(
     private val preferences: LibraryPreferences,
diff --git a/app/src/main/java/eu/kanade/domain/category/interactor/SetSortModeForCategory.kt b/app/src/main/java/eu/kanade/domain/category/interactor/SetSortModeForCategory.kt
index e657f2913..89d1943f4 100644
--- a/app/src/main/java/eu/kanade/domain/category/interactor/SetSortModeForCategory.kt
+++ b/app/src/main/java/eu/kanade/domain/category/interactor/SetSortModeForCategory.kt
@@ -1,12 +1,12 @@
 package eu.kanade.domain.category.interactor
 
-import eu.kanade.domain.category.model.Category
-import eu.kanade.domain.category.model.CategoryUpdate
-import eu.kanade.domain.category.repository.CategoryRepository
 import eu.kanade.domain.library.model.LibraryGroup
 import eu.kanade.domain.library.model.LibrarySort
 import eu.kanade.domain.library.model.plus
 import eu.kanade.domain.library.service.LibraryPreferences
+import tachiyomi.domain.category.model.Category
+import tachiyomi.domain.category.model.CategoryUpdate
+import tachiyomi.domain.category.repository.CategoryRepository
 
 class SetSortModeForCategory(
     private val preferences: LibraryPreferences,
diff --git a/app/src/main/java/eu/kanade/domain/category/interactor/UpdateCategory.kt b/app/src/main/java/eu/kanade/domain/category/interactor/UpdateCategory.kt
index 0fccd6a18..265017ab2 100644
--- a/app/src/main/java/eu/kanade/domain/category/interactor/UpdateCategory.kt
+++ b/app/src/main/java/eu/kanade/domain/category/interactor/UpdateCategory.kt
@@ -1,8 +1,8 @@
 package eu.kanade.domain.category.interactor
 
-import eu.kanade.domain.category.model.CategoryUpdate
-import eu.kanade.domain.category.repository.CategoryRepository
 import eu.kanade.tachiyomi.util.lang.withNonCancellableContext
+import tachiyomi.domain.category.model.CategoryUpdate
+import tachiyomi.domain.category.repository.CategoryRepository
 
 class UpdateCategory(
     private val categoryRepository: CategoryRepository,
diff --git a/app/src/main/java/eu/kanade/domain/library/model/LibraryDisplayMode.kt b/app/src/main/java/eu/kanade/domain/library/model/LibraryDisplayMode.kt
index d96e1ff81..37c53c64f 100644
--- a/app/src/main/java/eu/kanade/domain/library/model/LibraryDisplayMode.kt
+++ b/app/src/main/java/eu/kanade/domain/library/model/LibraryDisplayMode.kt
@@ -1,6 +1,6 @@
 package eu.kanade.domain.library.model
 
-import eu.kanade.domain.category.model.Category
+import tachiyomi.domain.category.model.Category
 
 sealed class LibraryDisplayMode(
     override val flag: Long,
diff --git a/app/src/main/java/eu/kanade/domain/library/model/LibrarySort.kt b/app/src/main/java/eu/kanade/domain/library/model/LibrarySort.kt
index 94a755d67..5b2ec239c 100644
--- a/app/src/main/java/eu/kanade/domain/library/model/LibrarySort.kt
+++ b/app/src/main/java/eu/kanade/domain/library/model/LibrarySort.kt
@@ -1,6 +1,6 @@
 package eu.kanade.domain.library.model
 
-import eu.kanade.domain.category.model.Category
+import tachiyomi.domain.category.model.Category
 
 data class LibrarySort(
     val type: Type,
diff --git a/app/src/main/java/eu/kanade/presentation/category/CategoryExtensions.kt b/app/src/main/java/eu/kanade/presentation/category/CategoryExtensions.kt
index 8d9bdb42c..0f2ade48e 100644
--- a/app/src/main/java/eu/kanade/presentation/category/CategoryExtensions.kt
+++ b/app/src/main/java/eu/kanade/presentation/category/CategoryExtensions.kt
@@ -3,8 +3,8 @@ package eu.kanade.presentation.category
 import android.content.Context
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.res.stringResource
-import eu.kanade.domain.category.model.Category
 import eu.kanade.tachiyomi.R
+import tachiyomi.domain.category.model.Category
 
 val Category.visualName: String
     @Composable
diff --git a/app/src/main/java/eu/kanade/presentation/category/CategoryScreen.kt b/app/src/main/java/eu/kanade/presentation/category/CategoryScreen.kt
index 53d53ab2d..5de8d923a 100644
--- a/app/src/main/java/eu/kanade/presentation/category/CategoryScreen.kt
+++ b/app/src/main/java/eu/kanade/presentation/category/CategoryScreen.kt
@@ -7,7 +7,6 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
-import eu.kanade.domain.category.model.Category
 import eu.kanade.presentation.category.components.CategoryContent
 import eu.kanade.presentation.category.components.CategoryFloatingActionButton
 import eu.kanade.presentation.components.AppBar
@@ -18,6 +17,7 @@ import eu.kanade.presentation.util.plus
 import eu.kanade.presentation.util.topSmallPaddingValues
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.ui.category.CategoryScreenState
+import tachiyomi.domain.category.model.Category
 
 @Composable
 fun CategoryScreen(
diff --git a/app/src/main/java/eu/kanade/presentation/category/components/CategoryContent.kt b/app/src/main/java/eu/kanade/presentation/category/components/CategoryContent.kt
index 13e6823cf..01e579663 100644
--- a/app/src/main/java/eu/kanade/presentation/category/components/CategoryContent.kt
+++ b/app/src/main/java/eu/kanade/presentation/category/components/CategoryContent.kt
@@ -7,9 +7,9 @@ import androidx.compose.foundation.lazy.itemsIndexed
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
-import eu.kanade.domain.category.model.Category
 import eu.kanade.presentation.components.LazyColumn
 import eu.kanade.presentation.util.padding
+import tachiyomi.domain.category.model.Category
 
 @Composable
 fun CategoryContent(
diff --git a/app/src/main/java/eu/kanade/presentation/category/components/CategoryDialogs.kt b/app/src/main/java/eu/kanade/presentation/category/components/CategoryDialogs.kt
index ad732a960..74f4b8aa9 100644
--- a/app/src/main/java/eu/kanade/presentation/category/components/CategoryDialogs.kt
+++ b/app/src/main/java/eu/kanade/presentation/category/components/CategoryDialogs.kt
@@ -17,6 +17,7 @@ import androidx.compose.ui.focus.focusRequester
 import androidx.compose.ui.res.stringResource
 import eu.kanade.tachiyomi.R
 import kotlinx.coroutines.delay
+import tachiyomi.domain.category.model.Category
 import kotlin.time.Duration.Companion.seconds
 
 @Composable
@@ -185,3 +186,7 @@ fun CategoryDeleteDialog(
         },
     )
 }
+
+internal fun List<Category>.anyWithName(name: String): Boolean {
+    return any { name == it.name }
+}
diff --git a/app/src/main/java/eu/kanade/presentation/category/components/CategoryListItem.kt b/app/src/main/java/eu/kanade/presentation/category/components/CategoryListItem.kt
index 283692e95..27e2695b4 100644
--- a/app/src/main/java/eu/kanade/presentation/category/components/CategoryListItem.kt
+++ b/app/src/main/java/eu/kanade/presentation/category/components/CategoryListItem.kt
@@ -20,9 +20,9 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
-import eu.kanade.domain.category.model.Category
 import eu.kanade.presentation.util.padding
 import eu.kanade.tachiyomi.R
+import tachiyomi.domain.category.model.Category
 
 @Composable
 fun CategoryListItem(
diff --git a/app/src/main/java/eu/kanade/presentation/components/ChangeCategoryDialog.kt b/app/src/main/java/eu/kanade/presentation/components/ChangeCategoryDialog.kt
index 4fb72fc43..b6689a068 100644
--- a/app/src/main/java/eu/kanade/presentation/components/ChangeCategoryDialog.kt
+++ b/app/src/main/java/eu/kanade/presentation/components/ChangeCategoryDialog.kt
@@ -22,10 +22,10 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import eu.kanade.core.prefs.CheckboxState
-import eu.kanade.domain.category.model.Category
 import eu.kanade.presentation.category.visualName
 import eu.kanade.presentation.util.padding
 import eu.kanade.tachiyomi.R
+import tachiyomi.domain.category.model.Category
 
 @Composable
 fun ChangeCategoryDialog(
diff --git a/app/src/main/java/eu/kanade/presentation/library/components/LibraryContent.kt b/app/src/main/java/eu/kanade/presentation/library/components/LibraryContent.kt
index 49a58f147..93acfc95a 100644
--- a/app/src/main/java/eu/kanade/presentation/library/components/LibraryContent.kt
+++ b/app/src/main/java/eu/kanade/presentation/library/components/LibraryContent.kt
@@ -16,7 +16,6 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalLayoutDirection
 import eu.kanade.core.prefs.PreferenceMutableState
-import eu.kanade.domain.category.model.Category
 import eu.kanade.domain.library.model.LibraryDisplayMode
 import eu.kanade.domain.library.model.LibraryManga
 import eu.kanade.presentation.components.PullRefresh
@@ -24,6 +23,7 @@ import eu.kanade.presentation.components.rememberPagerState
 import eu.kanade.tachiyomi.ui.library.LibraryItem
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
+import tachiyomi.domain.category.model.Category
 import kotlin.time.Duration.Companion.seconds
 
 @Composable
diff --git a/app/src/main/java/eu/kanade/presentation/library/components/LibraryTabs.kt b/app/src/main/java/eu/kanade/presentation/library/components/LibraryTabs.kt
index 706e236ff..18f6f3fae 100644
--- a/app/src/main/java/eu/kanade/presentation/library/components/LibraryTabs.kt
+++ b/app/src/main/java/eu/kanade/presentation/library/components/LibraryTabs.kt
@@ -6,11 +6,11 @@ import androidx.compose.material3.ScrollableTabRow
 import androidx.compose.material3.Tab
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.unit.dp
-import eu.kanade.domain.category.model.Category
 import eu.kanade.presentation.category.visualName
 import eu.kanade.presentation.components.Divider
 import eu.kanade.presentation.components.TabIndicator
 import eu.kanade.presentation.components.TabText
+import tachiyomi.domain.category.model.Category
 
 @Composable
 fun LibraryTabs(
diff --git a/app/src/main/java/eu/kanade/presentation/more/settings/screen/Commons.kt b/app/src/main/java/eu/kanade/presentation/more/settings/screen/Commons.kt
index b82df6918..641a48f35 100644
--- a/app/src/main/java/eu/kanade/presentation/more/settings/screen/Commons.kt
+++ b/app/src/main/java/eu/kanade/presentation/more/settings/screen/Commons.kt
@@ -4,9 +4,9 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.ReadOnlyComposable
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
-import eu.kanade.domain.category.model.Category
 import eu.kanade.presentation.category.visualName
 import eu.kanade.tachiyomi.R
+import tachiyomi.domain.category.model.Category
 
 /**
  * Returns a string of categories name for settings subtitle
diff --git a/app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsDownloadScreen.kt b/app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsDownloadScreen.kt
index f42b83eef..0dc0be3ca 100644
--- a/app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsDownloadScreen.kt
+++ b/app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsDownloadScreen.kt
@@ -20,7 +20,6 @@ import androidx.compose.ui.util.fastMap
 import androidx.core.net.toUri
 import com.hippo.unifile.UniFile
 import eu.kanade.domain.category.interactor.GetCategories
-import eu.kanade.domain.category.model.Category
 import eu.kanade.domain.download.service.DownloadPreferences
 import eu.kanade.presentation.category.visualName
 import eu.kanade.presentation.more.settings.Preference
@@ -28,6 +27,7 @@ import eu.kanade.presentation.more.settings.widget.TriStateListDialog
 import eu.kanade.presentation.util.collectAsState
 import eu.kanade.tachiyomi.R
 import kotlinx.coroutines.runBlocking
+import tachiyomi.domain.category.model.Category
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import java.io.File
diff --git a/app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsLibraryScreen.kt b/app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsLibraryScreen.kt
index 80b8d694d..b7fcb145d 100644
--- a/app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsLibraryScreen.kt
+++ b/app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsLibraryScreen.kt
@@ -39,7 +39,6 @@ import com.commandiron.wheel_picker_compose.WheelPicker
 import eu.kanade.domain.UnsortedPreferences
 import eu.kanade.domain.category.interactor.GetCategories
 import eu.kanade.domain.category.interactor.ResetCategoryFlags
-import eu.kanade.domain.category.model.Category
 import eu.kanade.domain.library.model.GroupLibraryMode
 import eu.kanade.domain.library.service.LibraryPreferences
 import eu.kanade.presentation.category.visualName
@@ -60,6 +59,7 @@ import eu.kanade.tachiyomi.ui.category.CategoryScreen
 import eu.kanade.tachiyomi.ui.category.genre.SortTagScreen
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
+import tachiyomi.domain.category.model.Category
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupManager.kt b/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupManager.kt
index 08454e881..cfbdd1168 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupManager.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupManager.kt
@@ -8,7 +8,6 @@ import eu.kanade.data.exh.mergedMangaReferenceMapper
 import eu.kanade.data.manga.mangaMapper
 import eu.kanade.domain.backup.service.BackupPreferences
 import eu.kanade.domain.category.interactor.GetCategories
-import eu.kanade.domain.category.model.Category
 import eu.kanade.domain.history.model.HistoryUpdate
 import eu.kanade.domain.library.service.LibraryPreferences
 import eu.kanade.domain.manga.interactor.GetFavorites
@@ -65,6 +64,7 @@ import tachiyomi.data.Manga_sync
 import tachiyomi.data.Mangas
 import tachiyomi.data.listOfStringsAndAdapter
 import tachiyomi.data.updateStrategyAdapter
+import tachiyomi.domain.category.model.Category
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import java.io.FileOutputStream
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupCategory.kt b/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupCategory.kt
index ee569fb28..9c50f9307 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupCategory.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/BackupCategory.kt
@@ -1,8 +1,8 @@
 package eu.kanade.tachiyomi.data.backup.models
 
-import eu.kanade.domain.category.model.Category
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.protobuf.ProtoNumber
+import tachiyomi.domain.category.model.Category
 
 @Serializable
 class BackupCategory(
diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt b/app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt
index d0ef64be9..f2e43eeed 100755
--- a/app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt
@@ -9,7 +9,6 @@ import androidx.core.content.ContextCompat
 import eu.kanade.data.chapter.NoChaptersException
 import eu.kanade.domain.UnsortedPreferences
 import eu.kanade.domain.category.interactor.GetCategories
-import eu.kanade.domain.category.model.Category
 import eu.kanade.domain.chapter.interactor.GetChapterByMangaId
 import eu.kanade.domain.chapter.interactor.SyncChaptersWithSource
 import eu.kanade.domain.chapter.interactor.SyncChaptersWithTrackServiceTwoWay
@@ -83,6 +82,7 @@ import kotlinx.coroutines.supervisorScope
 import kotlinx.coroutines.sync.Semaphore
 import kotlinx.coroutines.sync.withPermit
 import logcat.LogPriority
+import tachiyomi.domain.category.model.Category
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import java.io.File
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreenModel.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreenModel.kt
index 5ecb8efda..5c7df39ab 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreenModel.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceScreenModel.kt
@@ -21,7 +21,6 @@ import eu.kanade.core.prefs.mapAsCheckboxState
 import eu.kanade.domain.UnsortedPreferences
 import eu.kanade.domain.category.interactor.GetCategories
 import eu.kanade.domain.category.interactor.SetMangaCategories
-import eu.kanade.domain.category.model.Category
 import eu.kanade.domain.chapter.interactor.GetChapterByMangaId
 import eu.kanade.domain.chapter.interactor.SetMangaDefaultChapterFlags
 import eu.kanade.domain.chapter.interactor.SyncChaptersWithTrackServiceTwoWay
@@ -98,6 +97,7 @@ import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.JsonArray
 import logcat.LogPriority
+import tachiyomi.domain.category.model.Category
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import xyz.nulldev.ts.api.http.serializer.FilterSerializer
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/category/CategoryScreenModel.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/category/CategoryScreenModel.kt
index 643362c4b..f929d4b23 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/category/CategoryScreenModel.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/category/CategoryScreenModel.kt
@@ -9,13 +9,13 @@ import eu.kanade.domain.category.interactor.DeleteCategory
 import eu.kanade.domain.category.interactor.GetCategories
 import eu.kanade.domain.category.interactor.RenameCategory
 import eu.kanade.domain.category.interactor.ReorderCategory
-import eu.kanade.domain.category.model.Category
 import eu.kanade.tachiyomi.R
 import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.flow.receiveAsFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
+import tachiyomi.domain.category.model.Category
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryScreenModel.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryScreenModel.kt
index a412d3f9b..94fb39e58 100755
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryScreenModel.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryScreenModel.kt
@@ -22,7 +22,6 @@ import eu.kanade.domain.UnsortedPreferences
 import eu.kanade.domain.base.BasePreferences
 import eu.kanade.domain.category.interactor.GetCategories
 import eu.kanade.domain.category.interactor.SetMangaCategories
-import eu.kanade.domain.category.model.Category
 import eu.kanade.domain.chapter.interactor.GetChapterByMangaId
 import eu.kanade.domain.chapter.interactor.SetReadStatus
 import eu.kanade.domain.chapter.model.Chapter
@@ -100,6 +99,7 @@ import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.toList
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.runBlocking
+import tachiyomi.domain.category.model.Category
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import java.text.Collator
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibrarySettingsSheet.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibrarySettingsSheet.kt
index 2553bfae8..127532a9b 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibrarySettingsSheet.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibrarySettingsSheet.kt
@@ -8,7 +8,6 @@ import eu.kanade.domain.base.BasePreferences
 import eu.kanade.domain.category.interactor.GetCategories
 import eu.kanade.domain.category.interactor.SetDisplayModeForCategory
 import eu.kanade.domain.category.interactor.SetSortModeForCategory
-import eu.kanade.domain.category.model.Category
 import eu.kanade.domain.library.model.LibraryDisplayMode
 import eu.kanade.domain.library.model.LibraryGroup
 import eu.kanade.domain.library.model.LibrarySort
@@ -26,6 +25,7 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.runBlocking
+import tachiyomi.domain.category.model.Category
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import uy.kohesive.injekt.injectLazy
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryTab.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryTab.kt
index 4e1d13acc..51dc3654d 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryTab.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryTab.kt
@@ -29,7 +29,6 @@ import cafe.adriel.voyager.navigator.currentOrThrow
 import cafe.adriel.voyager.navigator.tab.LocalTabNavigator
 import cafe.adriel.voyager.navigator.tab.TabOptions
 import eu.kanade.domain.UnsortedPreferences
-import eu.kanade.domain.category.model.Category
 import eu.kanade.domain.library.model.LibraryGroup
 import eu.kanade.domain.library.model.LibraryManga
 import eu.kanade.domain.library.model.display
@@ -66,6 +65,7 @@ import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.flow.receiveAsFlow
 import kotlinx.coroutines.launch
+import tachiyomi.domain.category.model.Category
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt
index 793d0d80c..abd192f25 100755
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt
@@ -49,7 +49,6 @@ import cafe.adriel.voyager.navigator.currentOrThrow
 import com.google.accompanist.systemuicontroller.rememberSystemUiController
 import eu.kanade.domain.UnsortedPreferences
 import eu.kanade.domain.base.BasePreferences
-import eu.kanade.domain.category.model.Category
 import eu.kanade.domain.library.service.LibraryPreferences
 import eu.kanade.domain.source.service.SourcePreferences
 import eu.kanade.domain.ui.UiPreferences
@@ -99,6 +98,7 @@ import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.launch
 import logcat.LogPriority
+import tachiyomi.domain.category.model.Category
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import uy.kohesive.injekt.injectLazy
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt
index 32a7b858d..7bef1cd5a 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt
@@ -15,7 +15,6 @@ import eu.kanade.core.util.addOrRemove
 import eu.kanade.data.chapter.NoChaptersException
 import eu.kanade.domain.category.interactor.GetCategories
 import eu.kanade.domain.category.interactor.SetMangaCategories
-import eu.kanade.domain.category.model.Category
 import eu.kanade.domain.chapter.interactor.GetMergedChapterByMangaId
 import eu.kanade.domain.chapter.interactor.SetMangaDefaultChapterFlags
 import eu.kanade.domain.chapter.interactor.SetReadStatus
@@ -112,6 +111,7 @@ import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
 import logcat.LogPriority
+import tachiyomi.domain.category.model.Category
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import uy.kohesive.injekt.injectLazy
diff --git a/app/src/main/java/exh/EXHMigrations.kt b/app/src/main/java/exh/EXHMigrations.kt
index 81f35e373..c8dad2c2e 100644
--- a/app/src/main/java/exh/EXHMigrations.kt
+++ b/app/src/main/java/exh/EXHMigrations.kt
@@ -5,7 +5,6 @@ package exh
 import android.content.Context
 import androidx.core.content.edit
 import androidx.preference.PreferenceManager
-import eu.kanade.data.category.categoryMapper
 import eu.kanade.data.chapter.chapterMapper
 import eu.kanade.domain.backup.service.BackupPreferences
 import eu.kanade.domain.base.BasePreferences
@@ -66,6 +65,7 @@ import kotlinx.serialization.json.contentOrNull
 import kotlinx.serialization.json.jsonArray
 import kotlinx.serialization.json.jsonPrimitive
 import tachiyomi.data.DatabaseHandler
+import tachiyomi.data.category.categoryMapper
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import uy.kohesive.injekt.injectLazy
diff --git a/app/src/main/java/exh/favorites/FavoritesSyncHelper.kt b/app/src/main/java/exh/favorites/FavoritesSyncHelper.kt
index 42c86330e..8f9f5e283 100644
--- a/app/src/main/java/exh/favorites/FavoritesSyncHelper.kt
+++ b/app/src/main/java/exh/favorites/FavoritesSyncHelper.kt
@@ -8,8 +8,6 @@ import eu.kanade.domain.category.interactor.CreateCategoryWithName
 import eu.kanade.domain.category.interactor.GetCategories
 import eu.kanade.domain.category.interactor.SetMangaCategories
 import eu.kanade.domain.category.interactor.UpdateCategory
-import eu.kanade.domain.category.model.Category
-import eu.kanade.domain.category.model.CategoryUpdate
 import eu.kanade.domain.manga.interactor.GetLibraryManga
 import eu.kanade.domain.manga.interactor.GetManga
 import eu.kanade.domain.manga.interactor.UpdateManga
@@ -40,6 +38,8 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.launch
 import okhttp3.FormBody
 import okhttp3.Request
+import tachiyomi.domain.category.model.Category
+import tachiyomi.domain.category.model.CategoryUpdate
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import uy.kohesive.injekt.injectLazy
diff --git a/app/src/main/java/exh/favorites/LocalFavoritesStorage.kt b/app/src/main/java/exh/favorites/LocalFavoritesStorage.kt
index 44f2de5c4..fbbdb0e18 100644
--- a/app/src/main/java/exh/favorites/LocalFavoritesStorage.kt
+++ b/app/src/main/java/exh/favorites/LocalFavoritesStorage.kt
@@ -1,7 +1,6 @@
 package exh.favorites
 
 import eu.kanade.domain.category.interactor.GetCategories
-import eu.kanade.domain.category.model.Category
 import eu.kanade.domain.manga.interactor.DeleteFavoriteEntries
 import eu.kanade.domain.manga.interactor.GetFavoriteEntries
 import eu.kanade.domain.manga.interactor.GetFavorites
@@ -19,6 +18,7 @@ import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.mapNotNull
 import kotlinx.coroutines.flow.toList
+import tachiyomi.domain.category.model.Category
 import uy.kohesive.injekt.injectLazy
 
 class LocalFavoritesStorage {
diff --git a/data/build.gradle.kts b/data/build.gradle.kts
index 250b0a8b4..062405e63 100644
--- a/data/build.gradle.kts
+++ b/data/build.gradle.kts
@@ -21,6 +21,7 @@ android {
 
 dependencies {
     implementation(project(":source-api"))
+    implementation(project(":domain"))
     api(libs.sqldelight.android.driver)
     api(libs.sqldelight.coroutines)
     api(libs.sqldelight.android.paging)
diff --git a/data/src/main/AndroidManifest.xml b/data/src/main/AndroidManifest.xml
index a5918e68a..568741e54 100644
--- a/data/src/main/AndroidManifest.xml
+++ b/data/src/main/AndroidManifest.xml
@@ -1,4 +1,2 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android">
-
-</manifest>
\ No newline at end of file
+<manifest />
\ No newline at end of file
diff --git a/app/src/main/java/eu/kanade/data/category/CategoryMapper.kt b/data/src/main/java/tachiyomi/data/category/CategoryMapper.kt
similarity index 71%
rename from app/src/main/java/eu/kanade/data/category/CategoryMapper.kt
rename to data/src/main/java/tachiyomi/data/category/CategoryMapper.kt
index 3f9a3ec51..37f18ae80 100644
--- a/app/src/main/java/eu/kanade/data/category/CategoryMapper.kt
+++ b/data/src/main/java/tachiyomi/data/category/CategoryMapper.kt
@@ -1,6 +1,6 @@
-package eu.kanade.data.category
+package tachiyomi.data.category
 
-import eu.kanade.domain.category.model.Category
+import tachiyomi.domain.category.model.Category
 
 val categoryMapper: (Long, String, Long, Long) -> Category = { id, name, order, flags ->
     Category(
diff --git a/app/src/main/java/eu/kanade/data/category/CategoryRepositoryImpl.kt b/data/src/main/java/tachiyomi/data/category/CategoryRepositoryImpl.kt
similarity index 92%
rename from app/src/main/java/eu/kanade/data/category/CategoryRepositoryImpl.kt
rename to data/src/main/java/tachiyomi/data/category/CategoryRepositoryImpl.kt
index 522d983d7..b1fb9c3af 100644
--- a/app/src/main/java/eu/kanade/data/category/CategoryRepositoryImpl.kt
+++ b/data/src/main/java/tachiyomi/data/category/CategoryRepositoryImpl.kt
@@ -1,11 +1,11 @@
-package eu.kanade.data.category
+package tachiyomi.data.category
 
-import eu.kanade.domain.category.model.Category
-import eu.kanade.domain.category.model.CategoryUpdate
-import eu.kanade.domain.category.repository.CategoryRepository
 import kotlinx.coroutines.flow.Flow
 import tachiyomi.data.Database
 import tachiyomi.data.DatabaseHandler
+import tachiyomi.domain.category.model.Category
+import tachiyomi.domain.category.model.CategoryUpdate
+import tachiyomi.domain.category.repository.CategoryRepository
 
 class CategoryRepositoryImpl(
     private val handler: DatabaseHandler,
diff --git a/domain/.gitignore b/domain/.gitignore
new file mode 100644
index 000000000..42afabfd2
--- /dev/null
+++ b/domain/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/domain/build.gradle.kts b/domain/build.gradle.kts
new file mode 100644
index 000000000..cfbcc1926
--- /dev/null
+++ b/domain/build.gradle.kts
@@ -0,0 +1,19 @@
+plugins {
+    id("com.android.library")
+    kotlin("android")
+}
+
+android {
+    namespace = "tachiyomi.domain"
+
+    defaultConfig {
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
+    }
+
+}
+
+dependencies {
+    implementation(platform(kotlinx.coroutines.bom))
+    implementation(kotlinx.bundles.coroutines)
+}
diff --git a/domain/consumer-rules.pro b/domain/consumer-rules.pro
new file mode 100644
index 000000000..e69de29bb
diff --git a/domain/proguard-rules.pro b/domain/proguard-rules.pro
new file mode 100644
index 000000000..481bb4348
--- /dev/null
+++ b/domain/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
\ No newline at end of file
diff --git a/domain/src/main/AndroidManifest.xml b/domain/src/main/AndroidManifest.xml
new file mode 100644
index 000000000..568741e54
--- /dev/null
+++ b/domain/src/main/AndroidManifest.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest />
\ No newline at end of file
diff --git a/app/src/main/java/eu/kanade/domain/category/model/Category.kt b/domain/src/main/java/tachiyomi/domain/category/model/Category.kt
similarity index 66%
rename from app/src/main/java/eu/kanade/domain/category/model/Category.kt
rename to domain/src/main/java/tachiyomi/domain/category/model/Category.kt
index 742e481d2..ea901ce80 100644
--- a/app/src/main/java/eu/kanade/domain/category/model/Category.kt
+++ b/domain/src/main/java/tachiyomi/domain/category/model/Category.kt
@@ -1,4 +1,4 @@
-package eu.kanade.domain.category.model
+package tachiyomi.domain.category.model
 
 import java.io.Serializable
 
@@ -15,7 +15,3 @@ data class Category(
         const val UNCATEGORIZED_ID = 0L
     }
 }
-
-internal fun List<Category>.anyWithName(name: String): Boolean {
-    return any { name == it.name }
-}
diff --git a/app/src/main/java/eu/kanade/domain/category/model/CategoryUpdate.kt b/domain/src/main/java/tachiyomi/domain/category/model/CategoryUpdate.kt
similarity index 77%
rename from app/src/main/java/eu/kanade/domain/category/model/CategoryUpdate.kt
rename to domain/src/main/java/tachiyomi/domain/category/model/CategoryUpdate.kt
index fc9bc25f0..d3ee8baa9 100644
--- a/app/src/main/java/eu/kanade/domain/category/model/CategoryUpdate.kt
+++ b/domain/src/main/java/tachiyomi/domain/category/model/CategoryUpdate.kt
@@ -1,4 +1,4 @@
-package eu.kanade.domain.category.model
+package tachiyomi.domain.category.model
 
 data class CategoryUpdate(
     val id: Long,
diff --git a/app/src/main/java/eu/kanade/domain/category/repository/CategoryRepository.kt b/domain/src/main/java/tachiyomi/domain/category/repository/CategoryRepository.kt
similarity index 81%
rename from app/src/main/java/eu/kanade/domain/category/repository/CategoryRepository.kt
rename to domain/src/main/java/tachiyomi/domain/category/repository/CategoryRepository.kt
index c252eeb07..8ef20517b 100644
--- a/app/src/main/java/eu/kanade/domain/category/repository/CategoryRepository.kt
+++ b/domain/src/main/java/tachiyomi/domain/category/repository/CategoryRepository.kt
@@ -1,8 +1,8 @@
-package eu.kanade.domain.category.repository
+package tachiyomi.domain.category.repository
 
-import eu.kanade.domain.category.model.Category
-import eu.kanade.domain.category.model.CategoryUpdate
 import kotlinx.coroutines.flow.Flow
+import tachiyomi.domain.category.model.Category
+import tachiyomi.domain.category.model.CategoryUpdate
 
 interface CategoryRepository {
 
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 448eb1f6f..3555b5b8f 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -45,3 +45,4 @@ include(":source-api")
 include(":core")
 include(":macrobenchmark")
 include(":data")
+include(":domain")