diff --git a/app/ui/src/main/AndroidManifest.xml b/app/ui/src/main/AndroidManifest.xml
index 843f3111..5589242a 100644
--- a/app/ui/src/main/AndroidManifest.xml
+++ b/app/ui/src/main/AndroidManifest.xml
@@ -25,7 +25,8 @@
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
 
-            <meta-data android:name="android.app.shortcuts"
+            <meta-data
+                android:name="android.app.shortcuts"
                 android:resource="@xml/shortcuts" />
 
         </activity>
@@ -62,9 +63,27 @@
                 android:value="de.mm20.launcher2.ui.launcher.SharedLauncherActivity" />
         </activity>
 
+        <activity android:name=".launcher.sheets.BindAndConfigureAppWidgetActivity" />
+
         <activity
-            android:name=".launcher.sheets.BindAndConfigureAppWidgetActivity"
-             />
+            android:name=".launcher.ImportThemeActivity"
+            android:excludeFromRecents="true"
+            android:exported="true"
+            android:theme="@style/DialogTheme">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="application/vnd.de.mm20.launcher2.theme" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data
+                    android:host="*"
+                    android:mimeType="*/*"
+                    android:pathSuffix="kvtheme" />
+            </intent-filter>
+        </activity>
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/ui/src/main/java/de/mm20/launcher2/ui/common/ImportThemeSheet.kt b/app/ui/src/main/java/de/mm20/launcher2/ui/common/ImportThemeSheet.kt
new file mode 100644
index 00000000..f848e1db
--- /dev/null
+++ b/app/ui/src/main/java/de/mm20/launcher2/ui/common/ImportThemeSheet.kt
@@ -0,0 +1,310 @@
+package de.mm20.launcher2.ui.common
+
+import android.net.Uri
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.RowScope
+import androidx.compose.foundation.layout.aspectRatio
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.rounded.DarkMode
+import androidx.compose.material.icons.rounded.ErrorOutline
+import androidx.compose.material.icons.rounded.LightMode
+import androidx.compose.material3.Button
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.SegmentedButton
+import androidx.compose.material3.SegmentedButtonDefaults
+import androidx.compose.material3.SingleChoiceSegmentedButtonRow
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import de.mm20.launcher2.themes.Theme
+import de.mm20.launcher2.ui.R
+import de.mm20.launcher2.ui.component.BottomSheetDialog
+import de.mm20.launcher2.ui.component.LargeMessage
+import de.mm20.launcher2.ui.component.preferences.SwitchPreference
+import de.mm20.launcher2.ui.locals.LocalDarkTheme
+import de.mm20.launcher2.ui.theme.colorscheme.darkColorSchemeOf
+import de.mm20.launcher2.ui.theme.colorscheme.lightColorSchemeOf
+import hct.Hct
+
+@Composable
+fun ImportThemeSheet(
+    uri: Uri,
+    onDismiss: () -> Unit,
+) {
+    val viewModel: ImportThemeSheetVM = viewModel()
+
+    val context = LocalContext.current
+
+    LaunchedEffect(uri) {
+        viewModel.readTheme(context, uri)
+    }
+
+    val theme by viewModel.theme
+    val error by viewModel.error
+    var apply by viewModel.apply
+
+    BottomSheetDialog(
+        onDismissRequest = onDismiss,
+        confirmButton = if (theme != null && !error) {
+            {
+                Button(
+                    onClick = {
+                        viewModel.import()
+                        onDismiss()
+                    }
+                ) {
+                    Text(stringResource(R.string.action_import))
+                }
+            }
+        } else null,
+    ) {
+        if (theme == null && !error) {
+            Box(
+                modifier = Modifier
+                    .padding(it)
+                    .fillMaxWidth()
+                    .aspectRatio(1f),
+                contentAlignment = Alignment.Center
+            ) {
+                CircularProgressIndicator()
+            }
+        } else if (error) {
+            Box(
+                modifier = Modifier
+                    .padding(it)
+                    .fillMaxWidth()
+            ) {
+                LargeMessage(
+                    icon = Icons.Rounded.ErrorOutline,
+                    text = "Theme could not be read. Is the file corrupted?"
+                )
+            }
+        } else {
+            Column(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .verticalScroll(rememberScrollState())
+                    .padding(it)
+            ) {
+                ThemePreview(
+                    theme!!,
+                )
+                Surface(
+                    modifier = Modifier.padding(top = 8.dp),
+                    color = MaterialTheme.colorScheme.surfaceContainer,
+                    shape = MaterialTheme.shapes.medium,
+                    border = BorderStroke(1.dp, MaterialTheme.colorScheme.outlineVariant)
+                ) {
+
+                    SwitchPreference(
+                        title = stringResource(R.string.import_theme_apply),
+                        iconPadding = false,
+                        value = apply,
+                        onValueChanged = {
+                            apply = it
+                        })
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun ThemePreview(
+    theme: Theme,
+    modifier: Modifier = Modifier,
+) {
+    val darkMode = LocalDarkTheme.current
+    var darkTheme by remember { mutableStateOf(darkMode) }
+
+    val colorScheme = if (darkTheme) darkColorSchemeOf(theme) else lightColorSchemeOf(theme)
+
+    Column(modifier = modifier) {
+        Row(
+            modifier = Modifier.padding(top = 8.dp, bottom = 16.dp),
+            verticalAlignment = Alignment.CenterVertically,
+        ) {
+            Text(
+                text = theme.name,
+                style = MaterialTheme.typography.titleMedium,
+                modifier = Modifier.weight(1f),
+                color = MaterialTheme.colorScheme.onSurfaceVariant
+            )
+            SingleChoiceSegmentedButtonRow {
+                SegmentedButton(
+                    shape = SegmentedButtonDefaults.shape(position = 0, count = 2),
+                    selected = !darkTheme,
+                    onClick = { darkTheme = false }
+                ) {
+                    Icon(Icons.Rounded.LightMode, null)
+                }
+                SegmentedButton(
+                    shape = SegmentedButtonDefaults.shape(position = 1, count = 2),
+                    selected = darkTheme,
+                    onClick = { darkTheme = true }
+                ) {
+                    Icon(Icons.Rounded.DarkMode, null)
+                }
+            }
+        }
+    MaterialTheme(
+        colorScheme = colorScheme
+    ) {
+        Column(
+            modifier = Modifier
+                .clip(MaterialTheme.shapes.medium)
+                .border(1.dp, MaterialTheme.colorScheme.outlineVariant, MaterialTheme.shapes.medium)
+                .background(MaterialTheme.colorScheme.surfaceContainer)
+                .padding(start = 14.dp, end = 14.dp, bottom = 14.dp, top = 14.dp)
+        ) {
+            Row {
+                ColorSwatch(color = MaterialTheme.colorScheme.primary, darkTheme = darkTheme)
+                ColorSwatch(color = MaterialTheme.colorScheme.onPrimary, darkTheme = darkTheme)
+                ColorSwatch(
+                    color = MaterialTheme.colorScheme.primaryContainer,
+                    darkTheme = darkTheme
+                )
+                ColorSwatch(
+                    color = MaterialTheme.colorScheme.onPrimaryContainer,
+                    darkTheme = darkTheme
+                )
+            }
+            Row {
+                ColorSwatch(color = MaterialTheme.colorScheme.secondary, darkTheme = darkTheme)
+                ColorSwatch(color = MaterialTheme.colorScheme.onSecondary, darkTheme = darkTheme)
+                ColorSwatch(
+                    color = MaterialTheme.colorScheme.secondaryContainer,
+                    darkTheme = darkTheme
+                )
+                ColorSwatch(
+                    color = MaterialTheme.colorScheme.onSecondaryContainer,
+                    darkTheme = darkTheme
+                )
+            }
+            Row {
+                ColorSwatch(color = MaterialTheme.colorScheme.tertiary, darkTheme = darkTheme)
+                ColorSwatch(color = MaterialTheme.colorScheme.onTertiary, darkTheme = darkTheme)
+                ColorSwatch(
+                    color = MaterialTheme.colorScheme.tertiaryContainer,
+                    darkTheme = darkTheme
+                )
+                ColorSwatch(
+                    color = MaterialTheme.colorScheme.onTertiaryContainer,
+                    darkTheme = darkTheme
+                )
+            }
+            Row {
+                ColorSwatch(color = MaterialTheme.colorScheme.error, darkTheme = darkTheme)
+                ColorSwatch(color = MaterialTheme.colorScheme.onError, darkTheme = darkTheme)
+                ColorSwatch(color = MaterialTheme.colorScheme.errorContainer, darkTheme = darkTheme)
+                ColorSwatch(
+                    color = MaterialTheme.colorScheme.onErrorContainer,
+                    darkTheme = darkTheme
+                )
+            }
+            Row {
+                ColorSwatch(color = MaterialTheme.colorScheme.surfaceDim, darkTheme = darkTheme)
+                ColorSwatch(color = MaterialTheme.colorScheme.surface, darkTheme = darkTheme)
+                ColorSwatch(color = MaterialTheme.colorScheme.surfaceBright, darkTheme = darkTheme)
+            }
+            Row {
+                ColorSwatch(
+                    color = MaterialTheme.colorScheme.surfaceContainerLowest,
+                    darkTheme = darkTheme
+                )
+                ColorSwatch(
+                    color = MaterialTheme.colorScheme.surfaceContainerLow,
+                    darkTheme = darkTheme
+                )
+                ColorSwatch(
+                    color = MaterialTheme.colorScheme.surfaceContainer,
+                    darkTheme = darkTheme
+                )
+                ColorSwatch(
+                    color = MaterialTheme.colorScheme.surfaceContainerHigh,
+                    darkTheme = darkTheme
+                )
+                ColorSwatch(
+                    color = MaterialTheme.colorScheme.surfaceContainerHighest,
+                    darkTheme = darkTheme
+                )
+            }
+            Row {
+                ColorSwatch(color = MaterialTheme.colorScheme.onSurface, darkTheme = darkTheme)
+                ColorSwatch(
+                    color = MaterialTheme.colorScheme.onSurfaceVariant,
+                    darkTheme = darkTheme
+                )
+                ColorSwatch(color = MaterialTheme.colorScheme.outline, darkTheme = darkTheme)
+                ColorSwatch(color = MaterialTheme.colorScheme.outlineVariant, darkTheme = darkTheme)
+            }
+            Row {
+                ColorSwatch(
+                    color = MaterialTheme.colorScheme.inverseSurface,
+                    darkTheme = darkTheme,
+                    weight = 2f
+                )
+                ColorSwatch(
+                    color = MaterialTheme.colorScheme.inverseOnSurface,
+                    darkTheme = darkTheme
+                )
+                ColorSwatch(color = MaterialTheme.colorScheme.inversePrimary, darkTheme = darkTheme)
+            }
+
+        }
+    }
+    }
+}
+
+@Composable
+fun RowScope.ColorSwatch(
+    color: Color,
+    darkTheme: Boolean,
+    weight: Float = 1f,
+) {
+    val borderColor = Color(Hct.fromInt(color.toArgb()).let {
+        val tone = if (darkTheme) 30f else 80f
+        it.apply {
+            this.tone = tone.toDouble()
+        }.toInt()
+    })
+    Box(
+        modifier = Modifier
+            .weight(weight)
+            .padding(2.dp)
+            .height(36.dp)
+            .clip(MaterialTheme.shapes.small)
+            .border(
+                1.dp,
+                borderColor,
+                MaterialTheme.shapes.small
+            )
+            .background(color),
+    )
+}
\ No newline at end of file
diff --git a/app/ui/src/main/java/de/mm20/launcher2/ui/common/ImportThemeSheetVM.kt b/app/ui/src/main/java/de/mm20/launcher2/ui/common/ImportThemeSheetVM.kt
new file mode 100644
index 00000000..71e67b3b
--- /dev/null
+++ b/app/ui/src/main/java/de/mm20/launcher2/ui/common/ImportThemeSheetVM.kt
@@ -0,0 +1,71 @@
+package de.mm20.launcher2.ui.common
+
+import android.content.Context
+import android.net.Uri
+import androidx.compose.runtime.mutableStateOf
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import de.mm20.launcher2.preferences.LauncherDataStore
+import de.mm20.launcher2.themes.Theme
+import de.mm20.launcher2.themes.ThemeRepository
+import de.mm20.launcher2.themes.fromJson
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import org.koin.core.component.KoinComponent
+import org.koin.core.component.inject
+
+class ImportThemeSheetVM : ViewModel(), KoinComponent {
+
+    private val themeRepository: ThemeRepository by inject()
+    private val dataStore: LauncherDataStore by inject()
+
+    val theme = mutableStateOf<Theme?>(null)
+    val error = mutableStateOf<Boolean>(false)
+    val apply = mutableStateOf<Boolean>(false)
+
+    fun import() {
+        val theme = theme.value
+        val apply = apply.value
+        if (theme != null) {
+            viewModelScope.launch {
+                importTheme(theme, apply)
+            }
+        }
+    }
+
+
+    fun readTheme(context: Context, uri: Uri) {
+        error.value = false
+        theme.value = null
+        apply.value = true
+        viewModelScope.launch(Dispatchers.IO) {
+            val inputStream =
+                context.contentResolver.openInputStream(uri) ?: return@launch
+            val theme = inputStream.use {
+                val json = it.readBytes().toString(Charsets.UTF_8)
+                try {
+                    Theme.fromJson(json)
+                } catch (e: IllegalArgumentException) {
+                    null
+                }
+            }
+            this@ImportThemeSheetVM.theme.value = theme
+            if (theme == null) {
+                error.value = true
+            }
+        }
+    }
+
+    private suspend fun importTheme(theme: Theme, apply: Boolean) {
+        themeRepository.createTheme(theme)
+        if (apply) {
+            dataStore.updateData {
+                it.toBuilder()
+                    .setAppearance(
+                        it.appearance.toBuilder()
+                            .setThemeId(theme.id.toString())
+                    ).build()
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/ui/src/main/java/de/mm20/launcher2/ui/launcher/ImportThemeActivity.kt b/app/ui/src/main/java/de/mm20/launcher2/ui/launcher/ImportThemeActivity.kt
new file mode 100644
index 00000000..5004c4af
--- /dev/null
+++ b/app/ui/src/main/java/de/mm20/launcher2/ui/launcher/ImportThemeActivity.kt
@@ -0,0 +1,31 @@
+package de.mm20.launcher2.ui.launcher
+
+import android.os.Bundle
+import androidx.activity.compose.setContent
+import de.mm20.launcher2.ui.base.BaseActivity
+import de.mm20.launcher2.ui.base.ProvideSettings
+import de.mm20.launcher2.ui.common.ImportThemeSheet
+import de.mm20.launcher2.ui.overlays.OverlayHost
+import de.mm20.launcher2.ui.theme.LauncherTheme
+
+class ImportThemeActivity : BaseActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        val uri = intent.data ?: return finish()
+
+        setContent {
+            LauncherTheme {
+                ProvideSettings {
+                    OverlayHost {
+                        ImportThemeSheet(
+                            onDismiss = { finish() },
+                            uri = uri,
+                        )
+                    }
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/core/base/src/main/res/values/themes.xml b/core/base/src/main/res/values/themes.xml
index 1ba9a084..8ce9a76f 100644
--- a/core/base/src/main/res/values/themes.xml
+++ b/core/base/src/main/res/values/themes.xml
@@ -31,4 +31,24 @@
         <item name="windowNoTitle">true</item>
         <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
     </style>
+
+    <style name="DialogTheme" parent="BaseTheme">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+        <item name="android:windowBackground">@android:color/transparent</item>
+        <item name="android:windowIsTranslucent">true</item>
+        <item name="android:windowFrame">@null</item>
+        <item name="android:windowContentOverlay">@null</item>
+        <item name="windowActionModeOverlay">true</item>
+        <item name="android:windowDrawsSystemBarBackgrounds">true</item>
+        <item name="android:windowTranslucentStatus">false</item>
+        <item name="android:windowTranslucentNavigation">false</item>
+        <item name="android:enforceStatusBarContrast">false</item>
+        <item name="android:enforceNavigationBarContrast">false</item>
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
+        <item name="android:statusBarColor">#00000000</item>
+        <item name="android:navigationBarColor">#00000000</item>
+        <item name="android:activityOpenEnterAnimation">@android:anim/fade_in</item>
+        <item name="android:activityCloseExitAnimation">@android:anim/fade_out</item>
+    </style>
 </resources>
\ No newline at end of file
diff --git a/core/i18n/src/main/res/values/strings.xml b/core/i18n/src/main/res/values/strings.xml
index 220425b6..016f36f2 100644
--- a/core/i18n/src/main/res/values/strings.xml
+++ b/core/i18n/src/main/res/values/strings.xml
@@ -24,6 +24,7 @@
     <!-- Shown in a snackbar after an item has been hidden. %1$s: label of the item -->
     <string name="msg_item_hidden">%1$s has been hidden.</string>
     <string name="action_undo">Undo</string>
+    <string name="action_import">Import</string>
     <!-- Delete something (a file or a web search shortcut) -->
     <string name="menu_delete">Delete</string>
     <string name="menu_remove">Remove</string>
@@ -839,4 +840,5 @@
     <string name="theme_color_scheme_palette_color">Palette</string>
     <string name="theme_color_scheme_custom_color">Custom</string>
     <string name="preference_restore_default">Restore default</string>
+    <string name="import_theme_apply">Apply theme</string>
 </resources>
\ No newline at end of file
diff --git a/data/themes/src/main/java/de/mm20/launcher2/themes/Serialization.kt b/data/themes/src/main/java/de/mm20/launcher2/themes/Serialization.kt
index c3d8bbfb..8d183f1e 100644
--- a/data/themes/src/main/java/de/mm20/launcher2/themes/Serialization.kt
+++ b/data/themes/src/main/java/de/mm20/launcher2/themes/Serialization.kt
@@ -1,6 +1,7 @@
 package de.mm20.launcher2.themes
 
 import kotlinx.serialization.KSerializer
+import kotlinx.serialization.SerializationException
 import kotlinx.serialization.descriptors.PrimitiveKind
 import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
 import kotlinx.serialization.descriptors.SerialDescriptor
@@ -53,5 +54,9 @@ fun Theme.toJson(): String {
 }
 
 fun Theme.Companion.fromJson(json: String): Theme {
-    return ThemeJson.decodeFromString(json)
+    return try {
+        ThemeJson.decodeFromString(json)
+    } catch (e: SerializationException) {
+        throw IllegalArgumentException(e)
+    }
 }
\ No newline at end of file