diff --git a/app/feature/feature-insurance-certificate/build.gradle.kts b/app/feature/feature-insurance-certificate/build.gradle.kts
index 7196af60e0..954a4d16db 100644
--- a/app/feature/feature-insurance-certificate/build.gradle.kts
+++ b/app/feature/feature-insurance-certificate/build.gradle.kts
@@ -1,5 +1,6 @@
 plugins {
-  id("hedvig.android.library")
+  id("hedvig.multiplatform.library")
+  id("hedvig.multiplatform.library.android")
   id("hedvig.gradle.plugin")
 }
 
@@ -11,35 +12,42 @@ hedvig {
   viewModels()
 }
 
-android {
-  testOptions.unitTests.isReturnDefaultValues = true
-  testOptions.unitTests.isIncludeAndroidResources = true
-}
-
-dependencies {
-  implementation(libs.arrow.core)
-  implementation(libs.arrow.fx)
-  implementation(libs.kotlinx.serialization.core)
-  implementation(projects.apolloCore)
-  implementation(projects.apolloOctopusPublic)
-  implementation(projects.coreCommonPublic)
-  implementation(projects.coreFileUpload)
-  implementation(projects.coreResources)
-  implementation(projects.designSystemHedvig)
-  implementation(projects.moleculePublic)
-  implementation(projects.navigationCommon)
-  implementation(projects.navigationCompose)
-  implementation(projects.navigationCore)
-
-  testImplementation(libs.apollo.testingSupport)
-  testImplementation(libs.assertK)
-  testImplementation(libs.coroutines.test)
-  testImplementation(libs.junit)
-  testImplementation(libs.testParameterInjector)
-  testImplementation(libs.turbine)
-  testImplementation(projects.apolloOctopusTest)
-  testImplementation(projects.apolloTest)
-  testImplementation(projects.coreCommonTest)
-  testImplementation(projects.loggingTest)
-  testImplementation(projects.moleculeTest)
+kotlin {
+  sourceSets {
+    commonMain.dependencies {
+      implementation(libs.apollo.api)
+      implementation(libs.apollo.runtime)
+      implementation(libs.arrow.core)
+      implementation(libs.arrow.fx)
+      implementation(libs.jetbrains.compose.foundation)
+      implementation(libs.jetbrains.compose.runtime)
+      implementation(libs.jetbrains.compose.ui)
+      implementation(libs.jetbrains.compose.ui.tooling.preview)
+      implementation(libs.jetbrains.lifecycle.runtime.compose)
+      implementation(libs.kotlinx.serialization.core)
+      implementation(projects.apolloCore)
+      implementation(projects.apolloOctopusPublic)
+      implementation(projects.coreCommonPublic)
+      implementation(projects.coreFileUpload)
+      implementation(projects.coreResources)
+      implementation(projects.designSystemHedvig)
+      implementation(projects.moleculePublic)
+      implementation(projects.navigationCommon)
+      implementation(projects.navigationCompose)
+      implementation(projects.navigationCore)
+    }
+    jvmTest.dependencies {
+      implementation(libs.apollo.testingSupport)
+      implementation(libs.assertK)
+      implementation(libs.coroutines.test)
+      implementation(libs.junit)
+      implementation(libs.testParameterInjector)
+      implementation(libs.turbine)
+      implementation(projects.apolloOctopusTest)
+      implementation(projects.apolloTest)
+      implementation(projects.coreCommonTest)
+      implementation(projects.loggingTest)
+      implementation(projects.moleculeTest)
+    }
+  }
 }
diff --git a/app/feature/feature-insurance-certificate/src/main/AndroidManifest.xml b/app/feature/feature-insurance-certificate/src/androidMain/AndroidManifest.xml
similarity index 100%
rename from app/feature/feature-insurance-certificate/src/main/AndroidManifest.xml
rename to app/feature/feature-insurance-certificate/src/androidMain/AndroidManifest.xml
diff --git a/app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/navigation/InsuranceEvidenceEntries.kt b/app/feature/feature-insurance-certificate/src/androidMain/kotlin/com/hedvig/android/feature/insurance/certificate/navigation/InsuranceEvidenceEntries.kt
similarity index 95%
rename from app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/navigation/InsuranceEvidenceEntries.kt
rename to app/feature/feature-insurance-certificate/src/androidMain/kotlin/com/hedvig/android/feature/insurance/certificate/navigation/InsuranceEvidenceEntries.kt
index 31174b69c8..0637db8550 100644
--- a/app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/navigation/InsuranceEvidenceEntries.kt
+++ b/app/feature/feature-insurance-certificate/src/androidMain/kotlin/com/hedvig/android/feature/insurance/certificate/navigation/InsuranceEvidenceEntries.kt
@@ -10,6 +10,7 @@ import com.hedvig.android.navigation.common.HedvigNavKey
 import com.hedvig.android.navigation.compose.Backstack
 import com.hedvig.core.common.android.sharePDF
 import dev.zacsweers.metrox.viewmodel.metroViewModel
+import java.io.File
 
 fun EntryProviderScope<HedvigNavKey>.insuranceEvidenceEntries(backstack: Backstack, applicationId: String) {
   entry<InsuranceEvidenceKey> {
@@ -27,7 +28,7 @@ fun EntryProviderScope<HedvigNavKey>.insuranceEvidenceEntries(backstack: Backsta
       viewModel = viewModel,
       navigateUp = backstack::navigateUp,
       onShareInsuranceEvidence = {
-        context.sharePDF(it, applicationId)
+        context.sharePDF(File(it.path), applicationId)
       },
     )
   }
diff --git a/app/feature/feature-insurance-certificate/src/main/graphql/InsuranceEvidenceCreate.graphql b/app/feature/feature-insurance-certificate/src/commonMain/graphql/InsuranceEvidenceCreate.graphql
similarity index 100%
rename from app/feature/feature-insurance-certificate/src/main/graphql/InsuranceEvidenceCreate.graphql
rename to app/feature/feature-insurance-certificate/src/commonMain/graphql/InsuranceEvidenceCreate.graphql
diff --git a/app/feature/feature-insurance-certificate/src/main/graphql/InsuranceEvidenceInitialData.graphql b/app/feature/feature-insurance-certificate/src/commonMain/graphql/InsuranceEvidenceInitialData.graphql
similarity index 100%
rename from app/feature/feature-insurance-certificate/src/main/graphql/InsuranceEvidenceInitialData.graphql
rename to app/feature/feature-insurance-certificate/src/commonMain/graphql/InsuranceEvidenceInitialData.graphql
diff --git a/app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/data/GenerateInsuranceEvidenceUseCase.kt b/app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/data/GenerateInsuranceEvidenceUseCase.kt
similarity index 100%
rename from app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/data/GenerateInsuranceEvidenceUseCase.kt
rename to app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/data/GenerateInsuranceEvidenceUseCase.kt
diff --git a/app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/data/GetInsuranceEvidenceInitialEmailUseCase.kt b/app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/data/GetInsuranceEvidenceInitialEmailUseCase.kt
similarity index 100%
rename from app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/data/GetInsuranceEvidenceInitialEmailUseCase.kt
rename to app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/data/GetInsuranceEvidenceInitialEmailUseCase.kt
diff --git a/app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/navigation/InsuranceEvidenceDeepLinks.kt b/app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/navigation/InsuranceEvidenceDeepLinks.kt
similarity index 100%
rename from app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/navigation/InsuranceEvidenceDeepLinks.kt
rename to app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/navigation/InsuranceEvidenceDeepLinks.kt
diff --git a/app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/navigation/InsuranceEvidenceDestination.kt b/app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/navigation/InsuranceEvidenceDestination.kt
similarity index 100%
rename from app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/navigation/InsuranceEvidenceDestination.kt
rename to app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/navigation/InsuranceEvidenceDestination.kt
diff --git a/app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/ui/email/InsuranceEvidenceEmailInputDestination.kt b/app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/ui/email/InsuranceEvidenceEmailInputDestination.kt
similarity index 100%
rename from app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/ui/email/InsuranceEvidenceEmailInputDestination.kt
rename to app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/ui/email/InsuranceEvidenceEmailInputDestination.kt
diff --git a/app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/ui/email/InsuranceEvidenceEmailInputViewModel.kt b/app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/ui/email/InsuranceEvidenceEmailInputViewModel.kt
similarity index 98%
rename from app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/ui/email/InsuranceEvidenceEmailInputViewModel.kt
rename to app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/ui/email/InsuranceEvidenceEmailInputViewModel.kt
index 0e3f090f80..3d4dce386d 100644
--- a/app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/ui/email/InsuranceEvidenceEmailInputViewModel.kt
+++ b/app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/ui/email/InsuranceEvidenceEmailInputViewModel.kt
@@ -19,7 +19,7 @@ import com.hedvig.android.molecule.public.MoleculePresenterScope
 import com.hedvig.android.molecule.public.MoleculeViewModel
 import com.hedvig.android.navigation.compose.Backstack
 import com.hedvig.android.navigation.compose.navigateAndPopUpTo
-import com.hedvig.core.common.android.validation.validateEmail
+import com.hedvig.core.common.android.validation.isValidEmail
 import dev.zacsweers.metro.Inject
 import hedvig.resources.PROFILE_MY_INFO_INVALID_EMAIL
 import hedvig.resources.Res
@@ -61,7 +61,7 @@ internal class InsuranceEvidenceEmailInputPresenter(
         val successScreenState = currentState as? InsuranceEvidenceEmailInputState.Success ?: return
         val email = successScreenState.email
         if (email != null &&
-          validateEmail(email).isSuccessful
+          isValidEmail(email)
         ) {
           generateCertificateInputData = email
           generateIteration++
diff --git a/app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/ui/overview/InsuranceEvidenceOverviewDestination.kt b/app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/ui/overview/InsuranceEvidenceOverviewDestination.kt
similarity index 95%
rename from app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/ui/overview/InsuranceEvidenceOverviewDestination.kt
rename to app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/ui/overview/InsuranceEvidenceOverviewDestination.kt
index d43316ea39..9e077743a8 100644
--- a/app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/ui/overview/InsuranceEvidenceOverviewDestination.kt
+++ b/app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/ui/overview/InsuranceEvidenceOverviewDestination.kt
@@ -12,6 +12,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import com.hedvig.android.core.fileupload.DownloadedFile
 import com.hedvig.android.design.system.hedvig.EmptyState
 import com.hedvig.android.design.system.hedvig.EmptyStateDefaults.EmptyStateIconStyle.SUCCESS
 import com.hedvig.android.design.system.hedvig.HedvigButton
@@ -29,7 +30,6 @@ import hedvig.resources.CERTIFICATES_EMAIL_SENT
 import hedvig.resources.INSURANCE_EVIDENCE_EMAIL_SENT_DESCRIPTION
 import hedvig.resources.Res
 import hedvig.resources.general_close_button
-import java.io.File
 import org.jetbrains.compose.resources.stringResource
 
 @Composable
@@ -37,7 +37,7 @@ internal fun InsuranceEvidenceOverviewDestination(
   insuranceEvidenceUrl: String,
   viewModel: InsuranceEvidenceOverviewViewModel,
   navigateUp: () -> Unit,
-  onShareInsuranceEvidence: (File) -> Unit,
+  onShareInsuranceEvidence: (DownloadedFile) -> Unit,
 ) {
   val uiState by viewModel.uiState.collectAsStateWithLifecycle()
   InsuranceEvidenceOverview(
@@ -58,7 +58,7 @@ internal fun InsuranceEvidenceOverview(
   insuranceEvidenceUrl: String,
   onDownloadCertificate: (String) -> Unit,
   navigateUp: () -> Unit,
-  onShareInsuranceEvidence: (File) -> Unit,
+  onShareInsuranceEvidence: (DownloadedFile) -> Unit,
   onRetry: () -> Unit,
 ) {
   when (uiState) {
@@ -81,7 +81,7 @@ internal fun InsuranceEvidenceOverview(
     is Success -> {
       LaunchedEffect(uiState.insuranceEvidenceUri) {
         uiState.insuranceEvidenceUri?.let {
-          onShareInsuranceEvidence(File(it.path))
+          onShareInsuranceEvidence(it)
         }
       }
       HedvigScaffold(
@@ -101,7 +101,7 @@ internal fun InsuranceEvidenceOverview(
           text = stringResource(Res.string.CERTIFICATES_DOWNLOAD),
           onClick = {
             if (uiState.insuranceEvidenceUri != null) {
-              onShareInsuranceEvidence(File(uiState.insuranceEvidenceUri.path))
+              onShareInsuranceEvidence(uiState.insuranceEvidenceUri)
             } else {
               onDownloadCertificate(insuranceEvidenceUrl)
             }
diff --git a/app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/ui/overview/InsuranceEvidenceOverviewViewModel.kt b/app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/ui/overview/InsuranceEvidenceOverviewViewModel.kt
similarity index 100%
rename from app/feature/feature-insurance-certificate/src/main/kotlin/com/hedvig/android/feature/insurance/certificate/ui/overview/InsuranceEvidenceOverviewViewModel.kt
rename to app/feature/feature-insurance-certificate/src/commonMain/kotlin/com/hedvig/android/feature/insurance/certificate/ui/overview/InsuranceEvidenceOverviewViewModel.kt
diff --git a/app/feature/feature-insurance-certificate/src/test/kotlin/InsuranceEvidenceEmailInputPresenterTest.kt b/app/feature/feature-insurance-certificate/src/jvmTest/kotlin/InsuranceEvidenceEmailInputPresenterTest.kt
similarity index 100%
rename from app/feature/feature-insurance-certificate/src/test/kotlin/InsuranceEvidenceEmailInputPresenterTest.kt
rename to app/feature/feature-insurance-certificate/src/jvmTest/kotlin/InsuranceEvidenceEmailInputPresenterTest.kt
diff --git a/app/feature/feature-insurance-certificate/src/test/kotlin/InsuranceEvidenceOverviewPresenterTest.kt b/app/feature/feature-insurance-certificate/src/jvmTest/kotlin/InsuranceEvidenceOverviewPresenterTest.kt
similarity index 100%
rename from app/feature/feature-insurance-certificate/src/test/kotlin/InsuranceEvidenceOverviewPresenterTest.kt
rename to app/feature/feature-insurance-certificate/src/jvmTest/kotlin/InsuranceEvidenceOverviewPresenterTest.kt
diff --git a/app/feature/feature-insurance-certificate/src/test/kotlin/com/hedvig/android/feature/insurance/certificate/data/GenerateInsuranceEvidenceUseCaseTest.kt b/app/feature/feature-insurance-certificate/src/jvmTest/kotlin/com/hedvig/android/feature/insurance/certificate/data/GenerateInsuranceEvidenceUseCaseTest.kt
similarity index 100%
rename from app/feature/feature-insurance-certificate/src/test/kotlin/com/hedvig/android/feature/insurance/certificate/data/GenerateInsuranceEvidenceUseCaseTest.kt
rename to app/feature/feature-insurance-certificate/src/jvmTest/kotlin/com/hedvig/android/feature/insurance/certificate/data/GenerateInsuranceEvidenceUseCaseTest.kt
diff --git a/app/feature/feature-insurance-certificate/src/test/kotlin/com/hedvig/android/feature/insurance/certificate/data/GetInsuranceEvidenceInitialEmailUseCaseTest.kt b/app/feature/feature-insurance-certificate/src/jvmTest/kotlin/com/hedvig/android/feature/insurance/certificate/data/GetInsuranceEvidenceInitialEmailUseCaseTest.kt
similarity index 100%
rename from app/feature/feature-insurance-certificate/src/test/kotlin/com/hedvig/android/feature/insurance/certificate/data/GetInsuranceEvidenceInitialEmailUseCaseTest.kt
rename to app/feature/feature-insurance-certificate/src/jvmTest/kotlin/com/hedvig/android/feature/insurance/certificate/data/GetInsuranceEvidenceInitialEmailUseCaseTest.kt