diff --git a/commons/build.gradle.kts b/commons/build.gradle.kts
index d93e36172..427ed28b4 100644
--- a/commons/build.gradle.kts
+++ b/commons/build.gradle.kts
@@ -5,6 +5,7 @@ plugins {
     alias(libs.plugins.androidLibrary)
     alias(libs.plugins.jetbrainsComposeCompiler)
     alias(libs.plugins.composeMultiplatform)
+    alias(libs.plugins.mokoResources)
 }
 
 android {
@@ -75,6 +76,10 @@ kotlin {
 
                 // Immutable collections
                 api(libs.kotlinx.collections.immutable)
+
+                // Moko Resources for KMP string resources
+                api(libs.moko.resources)
+                api(libs.moko.resources.compose)
             }
         }
 
@@ -124,3 +129,8 @@ kotlin {
         }
     }
 }
+
+multiplatformResources {
+    resourcesPackage.set("com.vitorpamplona.amethyst.commons")
+    resourcesClassName.set("SharedRes")
+}
diff --git a/commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/ui/components/LoadingState.kt b/commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/ui/components/LoadingState.kt
index b549466dd..2ed9eb625 100644
--- a/commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/ui/components/LoadingState.kt
+++ b/commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/ui/components/LoadingState.kt
@@ -34,6 +34,8 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
+import com.vitorpamplona.amethyst.commons.SharedRes
+import dev.icerock.moko.resources.compose.stringResource
 
 /**
  * A centered loading state with a progress indicator and message.
@@ -67,8 +69,10 @@ fun EmptyState(
     modifier: Modifier = Modifier,
     description: String? = null,
     onRefresh: (() -> Unit)? = null,
-    refreshLabel: String = "Refresh",
+    refreshLabel: String? = null,
 ) {
+    val actualRefreshLabel = refreshLabel ?: stringResource(SharedRes.strings.action_refresh)
+
     Column(
         modifier = modifier.fillMaxSize(),
         horizontalAlignment = Alignment.CenterHorizontally,
@@ -90,7 +94,7 @@ fun EmptyState(
         if (onRefresh != null) {
             Spacer(Modifier.height(16.dp))
             OutlinedButton(onClick = onRefresh) {
-                Text(refreshLabel)
+                Text(actualRefreshLabel)
             }
         }
     }
@@ -104,8 +108,10 @@ fun ErrorState(
     message: String,
     modifier: Modifier = Modifier,
     onRetry: (() -> Unit)? = null,
-    retryLabel: String = "Try Again",
+    retryLabel: String? = null,
 ) {
+    val actualRetryLabel = retryLabel ?: stringResource(SharedRes.strings.action_try_again)
+
     Column(
         modifier = modifier.fillMaxSize(),
         horizontalAlignment = Alignment.CenterHorizontally,
@@ -119,7 +125,7 @@ fun ErrorState(
         if (onRetry != null) {
             Spacer(Modifier.height(16.dp))
             Button(onClick = onRetry) {
-                Text(retryLabel)
+                Text(actualRetryLabel)
             }
         }
     }
@@ -131,11 +137,13 @@ fun ErrorState(
 @Composable
 fun FeedEmptyState(
     modifier: Modifier = Modifier,
-    title: String = "Feed is empty",
+    title: String? = null,
     onRefresh: (() -> Unit)? = null,
 ) {
+    val actualTitle = title ?: stringResource(SharedRes.strings.feed_empty)
+
     EmptyState(
-        title = title,
+        title = actualTitle,
         modifier = modifier,
         onRefresh = onRefresh,
     )
@@ -150,8 +158,10 @@ fun FeedErrorState(
     modifier: Modifier = Modifier,
     onRetry: (() -> Unit)? = null,
 ) {
+    val formattedMessage = stringResource(SharedRes.strings.error_loading_feed).format(errorMessage)
+
     ErrorState(
-        message = "Error loading feed: $errorMessage",
+        message = formattedMessage,
         modifier = modifier,
         onRetry = onRetry,
     )
diff --git a/commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/ui/screens/PlaceholderScreens.kt b/commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/ui/screens/PlaceholderScreens.kt
index 4048a5c02..3a30ba107 100644
--- a/commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/ui/screens/PlaceholderScreens.kt
+++ b/commons/src/commonMain/kotlin/com/vitorpamplona/amethyst/commons/ui/screens/PlaceholderScreens.kt
@@ -28,6 +28,8 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
+import com.vitorpamplona.amethyst.commons.SharedRes
+import dev.icerock.moko.resources.compose.stringResource
 
 /**
  * Generic placeholder screen with title and description.
@@ -58,8 +60,8 @@ fun PlaceholderScreen(
 @Composable
 fun SearchPlaceholder(modifier: Modifier = Modifier) {
     PlaceholderScreen(
-        title = "Search",
-        description = "Search for users, notes, and hashtags.",
+        title = stringResource(SharedRes.strings.screen_search_title),
+        description = stringResource(SharedRes.strings.screen_search_description),
         modifier = modifier,
     )
 }
@@ -70,8 +72,8 @@ fun SearchPlaceholder(modifier: Modifier = Modifier) {
 @Composable
 fun MessagesPlaceholder(modifier: Modifier = Modifier) {
     PlaceholderScreen(
-        title = "Messages",
-        description = "Your encrypted direct messages will appear here.",
+        title = stringResource(SharedRes.strings.screen_messages_title),
+        description = stringResource(SharedRes.strings.screen_messages_description),
         modifier = modifier,
     )
 }
@@ -82,8 +84,8 @@ fun MessagesPlaceholder(modifier: Modifier = Modifier) {
 @Composable
 fun NotificationsPlaceholder(modifier: Modifier = Modifier) {
     PlaceholderScreen(
-        title = "Notifications",
-        description = "Mentions, replies, and reactions will appear here.",
+        title = stringResource(SharedRes.strings.screen_notifications_title),
+        description = stringResource(SharedRes.strings.screen_notifications_description),
         modifier = modifier,
     )
 }
diff --git a/commons/src/commonMain/moko-resources/base/strings.xml b/commons/src/commonMain/moko-resources/base/strings.xml
new file mode 100644
index 000000000..7403080ba
--- /dev/null
+++ b/commons/src/commonMain/moko-resources/base/strings.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Login & Auth -->
+    <string name="login_title">Welcome to Amethyst</string>
+    <string name="login_subtitle">Sign in to your Nostr account</string>
+    <string name="login_subtitle_desktop">A Nostr client for desktop</string>
+    <string name="login_card_title">Login with your Nostr key</string>
+    <string name="login_card_subtitle">Use nsec for full access or npub for read-only</string>
+    <string name="login_with_key">Login with Key</string>
+    <string name="login_button">Login</string>
+    <string name="login_generate_new">Generate New Key</string>
+    <string name="login_generate_button">Generate New</string>
+    <string name="login_key_hint">Enter your private key (nsec) or public key (npub)</string>
+    <string name="login_key_label">nsec or npub</string>
+    <string name="login_key_placeholder">nsec1... or npub1...</string>
+    <string name="login_show_key">Show key</string>
+    <string name="login_hide_key">Hide key</string>
+
+    <!-- New Key Warning -->
+    <string name="new_key_warning_title">IMPORTANT: Save your keys!</string>
+    <string name="new_key_warning_message">Your secret key (nsec) is the ONLY way to access your account. If you lose it, your account is gone forever. Save it somewhere safe!</string>
+    <string name="new_key_public_label">Public Key (shareable):</string>
+    <string name="new_key_secret_label">Secret Key (NEVER share this!):</string>
+    <string name="new_key_continue_button">I've saved my keys, continue</string>
+
+    <!-- Common Actions -->
+    <string name="action_copy">Copy</string>
+    <string name="action_paste">Paste</string>
+    <string name="action_cancel">Cancel</string>
+    <string name="action_ok">OK</string>
+    <string name="action_save">Save</string>
+    <string name="action_delete">Delete</string>
+    <string name="action_share">Share</string>
+
+    <!-- Errors -->
+    <string name="error_invalid_key">Invalid key format. Please check and try again.</string>
+    <string name="error_network">Network error. Please check your connection.</string>
+    <string name="error_generic">An error occurred. Please try again.</string>
+
+    <!-- Loading & Empty States -->
+    <string name="action_refresh">Refresh</string>
+    <string name="action_try_again">Try Again</string>
+    <string name="feed_empty">Feed is empty</string>
+    <string name="error_loading_feed">Error loading feed: %s</string>
+
+    <!-- Placeholder Screens -->
+    <string name="screen_search_title">Search</string>
+    <string name="screen_search_description">Search for users, notes, and hashtags.</string>
+    <string name="screen_messages_title">Messages</string>
+    <string name="screen_messages_description">Your encrypted direct messages will appear here.</string>
+    <string name="screen_notifications_title">Notifications</string>
+    <string name="screen_notifications_description">Mentions, replies, and reactions will appear here.</string>
+</resources>
diff --git a/commons/src/jvmAndroid/kotlin/com/vitorpamplona/amethyst/commons/ui/auth/KeyInputField.kt b/commons/src/jvmAndroid/kotlin/com/vitorpamplona/amethyst/commons/ui/auth/KeyInputField.kt
index e27629c9f..21e0c4b94 100644
--- a/commons/src/jvmAndroid/kotlin/com/vitorpamplona/amethyst/commons/ui/auth/KeyInputField.kt
+++ b/commons/src/jvmAndroid/kotlin/com/vitorpamplona/amethyst/commons/ui/auth/KeyInputField.kt
@@ -41,6 +41,9 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.text.input.PasswordVisualTransformation
 import androidx.compose.ui.text.input.VisualTransformation
 import androidx.compose.ui.unit.dp
+import com.vitorpamplona.amethyst.commons.SharedRes
+import dev.icerock.moko.resources.compose.stringResource
+import org.jetbrains.compose.ui.tooling.preview.Preview
 
 /**
  * Text field for entering Nostr keys (nsec or npub) with visibility toggle.
@@ -50,8 +53,8 @@ fun KeyInputField(
     value: String,
     onValueChange: (String) -> Unit,
     modifier: Modifier = Modifier,
-    label: String = "nsec or npub",
-    placeholder: String = "nsec1... or npub1...",
+    label: String = stringResource(SharedRes.strings.login_key_label),
+    placeholder: String = stringResource(SharedRes.strings.login_key_placeholder),
     errorMessage: String? = null,
 ) {
     var showKey by remember { mutableStateOf(false) }
@@ -73,7 +76,7 @@ fun KeyInputField(
             IconButton(onClick = { showKey = !showKey }) {
                 Icon(
                     if (showKey) Icons.Default.VisibilityOff else Icons.Default.Visibility,
-                    contentDescription = if (showKey) "Hide key" else "Show key",
+                    contentDescription = if (showKey) stringResource(SharedRes.strings.login_hide_key) else stringResource(SharedRes.strings.login_show_key),
                 )
             }
         },
@@ -108,3 +111,20 @@ fun SelectableKeyText(
         )
     }
 }
+
+@Preview
+@Composable
+fun KeyInputFieldPreview() {
+    KeyInputField(
+        value = "nsec1example1234567890",
+        onValueChange = {},
+    )
+}
+
+@Preview
+@Composable
+fun SelectableKeyTextPreview() {
+    SelectableKeyText(
+        key = "npub1example1234567890abcdefghijklmnopqrstuvwxyz1234567890",
+    )
+}
diff --git a/commons/src/jvmAndroid/kotlin/com/vitorpamplona/amethyst/commons/ui/auth/LoginCard.kt b/commons/src/jvmAndroid/kotlin/com/vitorpamplona/amethyst/commons/ui/auth/LoginCard.kt
index a80912b91..f97e9179b 100644
--- a/commons/src/jvmAndroid/kotlin/com/vitorpamplona/amethyst/commons/ui/auth/LoginCard.kt
+++ b/commons/src/jvmAndroid/kotlin/com/vitorpamplona/amethyst/commons/ui/auth/LoginCard.kt
@@ -43,6 +43,9 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
+import com.vitorpamplona.amethyst.commons.SharedRes
+import dev.icerock.moko.resources.compose.stringResource
+import org.jetbrains.compose.ui.tooling.preview.Preview
 
 /**
  * Login card with Nostr key input field and action buttons.
@@ -60,8 +63,8 @@ fun LoginCard(
     onGenerateNew: () -> Unit,
     modifier: Modifier = Modifier,
     cardWidth: Dp = 400.dp,
-    title: String = "Login with your Nostr key",
-    subtitle: String = "Use nsec for full access or npub for read-only",
+    title: String = stringResource(SharedRes.strings.login_card_title),
+    subtitle: String = stringResource(SharedRes.strings.login_card_subtitle),
 ) {
     var keyInput by remember { mutableStateOf("") }
     var errorMessage by remember { mutableStateOf<String?>(null) }
@@ -118,16 +121,25 @@ fun LoginCard(
                     modifier = Modifier.weight(1f),
                     enabled = keyInput.isNotBlank(),
                 ) {
-                    Text("Login")
+                    Text(stringResource(SharedRes.strings.login_button))
                 }
 
                 OutlinedButton(
                     onClick = onGenerateNew,
                     modifier = Modifier.weight(1f),
                 ) {
-                    Text("Generate New")
+                    Text(stringResource(SharedRes.strings.login_generate_button))
                 }
             }
         }
     }
 }
+
+@Preview
+@Composable
+fun LoginCardPreview() {
+    LoginCard(
+        onLogin = { Result.success(Unit) },
+        onGenerateNew = {},
+    )
+}
diff --git a/commons/src/jvmAndroid/kotlin/com/vitorpamplona/amethyst/commons/ui/auth/NewKeyWarningCard.kt b/commons/src/jvmAndroid/kotlin/com/vitorpamplona/amethyst/commons/ui/auth/NewKeyWarningCard.kt
index 4fa976aa9..9952ee4fb 100644
--- a/commons/src/jvmAndroid/kotlin/com/vitorpamplona/amethyst/commons/ui/auth/NewKeyWarningCard.kt
+++ b/commons/src/jvmAndroid/kotlin/com/vitorpamplona/amethyst/commons/ui/auth/NewKeyWarningCard.kt
@@ -36,6 +36,9 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
+import com.vitorpamplona.amethyst.commons.SharedRes
+import dev.icerock.moko.resources.compose.stringResource
+import org.jetbrains.compose.ui.tooling.preview.Preview
 
 /**
  * Warning card displayed after generating a new Nostr key pair.
@@ -66,7 +69,7 @@ fun NewKeyWarningCard(
             modifier = Modifier.padding(24.dp),
         ) {
             Text(
-                "IMPORTANT: Save your keys!",
+                stringResource(SharedRes.strings.new_key_warning_title),
                 style = MaterialTheme.typography.titleMedium,
                 color = Color.Red,
             )
@@ -74,8 +77,7 @@ fun NewKeyWarningCard(
             Spacer(Modifier.height(16.dp))
 
             Text(
-                "Your secret key (nsec) is the ONLY way to access your account. " +
-                    "If you lose it, your account is gone forever. Save it somewhere safe!",
+                stringResource(SharedRes.strings.new_key_warning_message),
                 style = MaterialTheme.typography.bodyMedium,
                 color = MaterialTheme.colorScheme.onSurface,
             )
@@ -83,7 +85,7 @@ fun NewKeyWarningCard(
             Spacer(Modifier.height(16.dp))
 
             Text(
-                "Public Key (shareable):",
+                stringResource(SharedRes.strings.new_key_public_label),
                 style = MaterialTheme.typography.labelMedium,
                 color = MaterialTheme.colorScheme.onSurfaceVariant,
             )
@@ -93,7 +95,7 @@ fun NewKeyWarningCard(
 
             nsec?.let { secretKey ->
                 Text(
-                    "Secret Key (NEVER share this!):",
+                    stringResource(SharedRes.strings.new_key_secret_label),
                     style = MaterialTheme.typography.labelMedium,
                     color = Color.Red,
                 )
@@ -106,8 +108,18 @@ fun NewKeyWarningCard(
                 onClick = onContinue,
                 modifier = Modifier.fillMaxWidth(),
             ) {
-                Text("I've saved my keys, continue")
+                Text(stringResource(SharedRes.strings.new_key_continue_button))
             }
         }
     }
 }
+
+@Preview
+@Composable
+fun NewKeyWarningCardPreview() {
+    NewKeyWarningCard(
+        npub = "npub1example1234567890abcdefghijklmnopqrstuvwxyz",
+        nsec = "nsec1example1234567890abcdefghijklmnopqrstuvwxyz",
+        onContinue = {},
+    )
+}
diff --git a/desktopApp/src/jvmMain/kotlin/com/vitorpamplona/amethyst/desktop/ui/LoginScreen.kt b/desktopApp/src/jvmMain/kotlin/com/vitorpamplona/amethyst/desktop/ui/LoginScreen.kt
index f194564ae..be84b6375 100644
--- a/desktopApp/src/jvmMain/kotlin/com/vitorpamplona/amethyst/desktop/ui/LoginScreen.kt
+++ b/desktopApp/src/jvmMain/kotlin/com/vitorpamplona/amethyst/desktop/ui/LoginScreen.kt
@@ -37,10 +37,12 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
+import com.vitorpamplona.amethyst.commons.SharedRes
 import com.vitorpamplona.amethyst.commons.account.AccountManager
 import com.vitorpamplona.amethyst.commons.account.AccountState
 import com.vitorpamplona.amethyst.commons.ui.auth.LoginCard
 import com.vitorpamplona.amethyst.commons.ui.auth.NewKeyWarningCard
+import dev.icerock.moko.resources.compose.stringResource
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
@@ -59,7 +61,7 @@ fun LoginScreen(
         verticalArrangement = Arrangement.Center,
     ) {
         Text(
-            "Welcome to Amethyst",
+            stringResource(SharedRes.strings.login_title),
             style = MaterialTheme.typography.headlineLarge,
             color = MaterialTheme.colorScheme.onBackground,
         )
@@ -67,7 +69,7 @@ fun LoginScreen(
         Spacer(Modifier.height(8.dp))
 
         Text(
-            "A Nostr client for desktop",
+            stringResource(SharedRes.strings.login_subtitle_desktop),
             style = MaterialTheme.typography.bodyLarge,
             color = MaterialTheme.colorScheme.onSurfaceVariant,
         )
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 0918278b9..5717cae99 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -40,6 +40,7 @@ lightcompressor-enhanced = "1.6.0"
 markdown = "f92ef49c9d"
 media3 = "1.9.0"
 mockk = "1.14.7"
+mokoResources = "0.25.2"
 kotlinx-coroutines-test = "1.10.2"
 navigationCompose = "2.9.6"
 okhttp = "5.3.2"
@@ -135,6 +136,8 @@ markdown-ui = { group = "com.github.vitorpamplona.compose-richtext", name = "ric
 markdown-ui-material3 = { group = "com.github.vitorpamplona.compose-richtext", name = "richtext-ui-material3", version.ref = "markdown" }
 mockk = { group = "io.mockk", name = "mockk", version.ref = "mockk" }
 mockk-android = { group = "io.mockk", name = "mockk-android", version.ref = "mockk" }
+moko-resources = { group = "dev.icerock.moko", name = "resources", version.ref = "mokoResources" }
+moko-resources-compose = { group = "dev.icerock.moko", name = "resources-compose", version.ref = "mokoResources" }
 kotlinx-coroutines-test = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-test", version.ref = "kotlinx-coroutines-test"}
 okhttp = { group = "com.squareup.okhttp3", name = "okhttp", version.ref = "okhttp" }
 okhttpCoroutines = { group = "com.squareup.okhttp3", name = "okhttp-coroutines", version.ref = "okhttp" }
@@ -173,3 +176,4 @@ androidKotlinMultiplatformLibrary = { id = "com.android.kotlin.multiplatform.lib
 vanniktech-mavenPublish = { id = "com.vanniktech.maven.publish", version.ref = "mavenPublish" }
 stability-analyzer = { id = "com.github.skydoves.compose.stability.analyzer", version = "0.6.1" }
 composeMultiplatform = { id = "org.jetbrains.compose", version.ref = "composeMultiplatform" }
+mokoResources = { id = "dev.icerock.mobile.multiplatform-resources", version.ref = "mokoResources" }