diff --git a/src/jsMain/kotlin/nl/astraeus/vst/ui/util/MidiUtil.kt b/src/jsMain/kotlin/nl/astraeus/vst/ui/util/MidiUtil.kt
new file mode 100644
index 0000000..965a5ab
--- /dev/null
+++ b/src/jsMain/kotlin/nl/astraeus/vst/ui/util/MidiUtil.kt
@@ -0,0 +1,7 @@
+package nl.astraeus.vst.ui.util
+
+import org.khronos.webgl.Uint8Array
+
+fun uInt8ArrayOf(vararg values: Int): Uint8Array {
+  return Uint8Array(values.map { it.toByte() }.toTypedArray())
+}