diff --git a/src/main/kotlin/me/zhouxi/slint/lang/SlintFileType.kt b/src/main/kotlin/me/zhouxi/slint/lang/SlintFileType.kt
new file mode 100644
index 0000000..238ca98
--- /dev/null
+++ b/src/main/kotlin/me/zhouxi/slint/lang/SlintFileType.kt
@@ -0,0 +1,15 @@
+package me.zhouxi.slint.lang
+
+import com.intellij.openapi.fileTypes.LanguageFileType
+import me.zhouxi.slint.icons.SlintIcons
+import javax.swing.Icon
+
+object SlintFileType : LanguageFileType(SlintLanguage) {
+    override fun getName(): String = "Slint"
+
+    override fun getDescription(): String = "Slint UI file"
+
+    override fun getDefaultExtension(): String = "slint"
+
+    override fun getIcon(): Icon = SlintIcons.Primary
+}