diff --git a/README.md b/README.md
index 5ba6b397..322ebc42 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,7 @@ from [kotlinx.serialization-json](https://github.com/Kotlin/kotlinx.serializatio
 |-------------------|
 | jvm               |
 | js                |
+| wasmJs            |
 | macosX64          |
 | macosArm64        |
 | iosArm64          |
diff --git a/json-schema-validator/build.gradle.kts b/json-schema-validator/build.gradle.kts
index c1ed4fea..2fc643b9 100644
--- a/json-schema-validator/build.gradle.kts
+++ b/json-schema-validator/build.gradle.kts
@@ -1,7 +1,10 @@
+@file:OptIn(ExperimentalWasmDsl::class)
+
 import io.gitlab.arturbosch.detekt.Detekt
 import org.jetbrains.kotlin.gradle.ExperimentalKotlinGradlePluginApi
 import org.jetbrains.kotlin.gradle.plugin.KotlinTarget
 import org.jetbrains.kotlin.gradle.plugin.KotlinTargetWithTests
+import org.jetbrains.kotlin.gradle.targets.js.dsl.ExperimentalWasmDsl
 import org.jlleitschuh.gradle.ktlint.reporter.ReporterType
 import java.util.Locale
 
@@ -145,6 +148,13 @@ kotlin {
     generateTypeScriptDefinitions()
     nodejs()
   }
+  wasmJs {
+    // The wasmJsBrowserTest prints all executed tests as one unformatted string
+    // Have not found a way to suppress printing all this into console
+    browser()
+    nodejs()
+  }
+
   applyDefaultHierarchyTemplate()
 
   val macOsTargets =
@@ -168,7 +178,7 @@ kotlin {
     )
 
   sourceSets {
-    commonMain {
+    val commonMain by getting {
       kotlin.srcDirs(generatedSourceDirectory)
 
       dependencies {
@@ -182,11 +192,31 @@ kotlin {
         ) {
           because("simplifies work with unicode codepoints")
         }
+      }
+    }
+
+    val wasmJsMain by getting
+
+    val nonWasmJsMain by creating {
+      dependsOn(commonMain)
+
+      dependencies {
         implementation(libs.normalize.get().toString()) {
           because("provides normalization required by IDN-hostname format")
         }
       }
     }
+
+    val jvmMain by getting {
+      dependsOn(nonWasmJsMain)
+    }
+    val jsMain by getting {
+      dependsOn(nonWasmJsMain)
+    }
+    val nativeMain by getting {
+      dependsOn(nonWasmJsMain)
+    }
+
     commonTest {
       dependencies {
         implementation(libs.kotest.assertions.core)
@@ -253,6 +283,7 @@ kotlin {
       dependsOnTargetTests(linuxTargets)
       dependsOn(tasks.getByName("jvmTest"))
       dependsOn(tasks.getByName("jsTest"))
+      dependsOn(tasks.getByName("wasmJsTest"))
     }
   }
 }
diff --git a/json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/formats/IdnHostnameFormatValidator.kt b/json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/formats/IdnHostnameFormatValidator.kt
index 898dcfca..9a881b65 100644
--- a/json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/formats/IdnHostnameFormatValidator.kt
+++ b/json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/formats/IdnHostnameFormatValidator.kt
@@ -7,8 +7,8 @@ import io.github.optimumcode.json.schema.FormatValidator
 import io.github.optimumcode.json.schema.internal.formats.IdnHostnameFormatValidator.BidiLabelType.LTR
 import io.github.optimumcode.json.schema.internal.formats.IdnHostnameFormatValidator.BidiLabelType.NONE
 import io.github.optimumcode.json.schema.internal.formats.IdnHostnameFormatValidator.BidiLabelType.RTL
-import io.github.optimumcode.json.schema.internal.hostname.Normalizer
 import io.github.optimumcode.json.schema.internal.hostname.Punycode
+import io.github.optimumcode.json.schema.internal.hostname.isNormalized
 import io.github.optimumcode.json.schema.internal.unicode.CharacterCategory
 import io.github.optimumcode.json.schema.internal.unicode.CharacterCategory.ENCLOSING_MARK
 import io.github.optimumcode.json.schema.internal.unicode.CharacterCategory.NONSPACING_MARK
@@ -108,7 +108,7 @@ internal object IdnHostnameFormatValidator : AbstractStringFormatValidator() {
         label
       }
 
-    if (!Normalizer.isNormalized(unicode)) {
+    if (!isNormalized(unicode)) {
       return false
     }
 
diff --git a/json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.kt b/json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.kt
index 1f78b1a7..cef03df2 100644
--- a/json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.kt
+++ b/json-schema-validator/src/commonMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.kt
@@ -1,10 +1,3 @@
 package io.github.optimumcode.json.schema.internal.hostname
 
-import doist.x.normalize.Form
-import doist.x.normalize.normalize
-
-internal object Normalizer {
-  fun isNormalized(label: String): Boolean {
-    return label.normalize(Form.NFC) == label
-  }
-}
\ No newline at end of file
+internal expect fun isNormalized(label: String): Boolean
\ No newline at end of file
diff --git a/json-schema-validator/src/nonWasmJsMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.nonWasmJs.kt b/json-schema-validator/src/nonWasmJsMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.nonWasmJs.kt
new file mode 100644
index 00000000..a63678dc
--- /dev/null
+++ b/json-schema-validator/src/nonWasmJsMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.nonWasmJs.kt
@@ -0,0 +1,8 @@
+package io.github.optimumcode.json.schema.internal.hostname
+
+import doist.x.normalize.Form
+import doist.x.normalize.normalize
+
+internal actual fun isNormalized(label: String): Boolean {
+  return label.normalize(Form.NFC) == label
+}
\ No newline at end of file
diff --git a/json-schema-validator/src/wasmJsMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.wasmJs.kt b/json-schema-validator/src/wasmJsMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.wasmJs.kt
new file mode 100644
index 00000000..4a28b4f0
--- /dev/null
+++ b/json-schema-validator/src/wasmJsMain/kotlin/io/github/optimumcode/json/schema/internal/hostname/Normalizer.wasmJs.kt
@@ -0,0 +1,3 @@
+package io.github.optimumcode.json.schema.internal.hostname
+
+internal actual fun isNormalized(label: String): Boolean = js("label.normalize('NFC') === label")
\ No newline at end of file
diff --git a/test-suites/build.gradle.kts b/test-suites/build.gradle.kts
index 55c11e16..b81a624c 100644
--- a/test-suites/build.gradle.kts
+++ b/test-suites/build.gradle.kts
@@ -27,6 +27,7 @@ kotlin {
   js(IR) {
     nodejs()
   }
+  // wasmJs target is not added because the okio does not provide a dependency to use FileSystem API in wasmJs target
   applyDefaultHierarchyTemplate()
 
   val macOsTargets =