diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/KotlinJavaScriptMetaFileType.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/KotlinJavaScriptMetaFileType.kt
new file mode 100644
index 00000000000..7b975c27772
--- /dev/null
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/KotlinJavaScriptMetaFileType.kt
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.idea.decompiler
+
+import com.intellij.openapi.fileTypes.FileType
+import com.intellij.openapi.vfs.VirtualFile
+import org.jetbrains.kotlin.serialization.js.KotlinJavascriptSerializationUtil
+
+public object KotlinJavaScriptMetaFileType : FileType {
+
+    override fun getName() = "KJSM"
+
+    override fun getDescription() = "Kotlin JavaScript meta file"
+
+    override fun getDefaultExtension() = KotlinJavascriptSerializationUtil.CLASS_METADATA_FILE_EXTENSION
+
+    override fun getIcon() = null
+
+    override fun isBinary() = true
+
+    override fun isReadOnly() = true
+
+    override fun getCharset(file: VirtualFile, content: ByteArray) = null
+}
\ No newline at end of file
diff --git a/idea/src/META-INF/plugin.xml b/idea/src/META-INF/plugin.xml
index 530e8dd6f46..b353d30624e 100644
--- a/idea/src/META-INF/plugin.xml
+++ b/idea/src/META-INF/plugin.xml
@@ -231,6 +231,7 @@
     <lang.importOptimizer language="jet" implementationClass="org.jetbrains.kotlin.idea.imports.KotlinImportOptimizer"/>
 
     <fileTypeFactory implementation="org.jetbrains.kotlin.idea.JetFileFactory"/>
+    <fileTypeFactory implementation="org.jetbrains.kotlin.idea.KotlinJavaScriptMetaFileTypeFactory"/>
 
     <compileServer.plugin classpath="jps/kotlin-jps-plugin.jar;kotlin-runtime.jar;kotlin-reflect.jar;kotlin-plugin.jar"/>
     <compiler.task execute="BEFORE" implementation="org.jetbrains.kotlin.idea.internal.makeBackup.MakeBackupCompileTask"/>
@@ -1004,6 +1005,12 @@
 
     <project.converterProvider implementation="org.jetbrains.kotlin.idea.converters.JetRunConfigurationSettingsFormatConverterProvider"/>
 
+    <fileType.fileViewProviderFactory filetype="KJSM" implementationClass="com.intellij.psi.ClassFileViewProviderFactory"/>
+
+    <filetype.stubBuilder filetype="KJSM" implementationClass="com.intellij.psi.impl.compiled.ClassFileStubBuilder"/>
+
+    <filetype.decompiler filetype="KJSM" implementationClass="com.intellij.psi.impl.compiled.ClassFileDecompiler"/>
+
     <treeStructureProvider implementation="org.jetbrains.kotlin.idea.js.KotlinJavaScriptLibraryContentsTreeStructureProvider"/>
   </extensions>
 
diff --git a/idea/src/org/jetbrains/kotlin/idea/KotlinJavaScriptMetaFileTypeFactory.kt b/idea/src/org/jetbrains/kotlin/idea/KotlinJavaScriptMetaFileTypeFactory.kt
new file mode 100644
index 00000000000..c8a2cacbac8
--- /dev/null
+++ b/idea/src/org/jetbrains/kotlin/idea/KotlinJavaScriptMetaFileTypeFactory.kt
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.idea
+
+import com.intellij.openapi.fileTypes.FileTypeConsumer
+import com.intellij.openapi.fileTypes.FileTypeFactory
+import org.jetbrains.kotlin.idea.decompiler.KotlinJavaScriptMetaFileType
+
+public class KotlinJavaScriptMetaFileTypeFactory : FileTypeFactory() {
+    override fun createFileTypes(consumer: FileTypeConsumer) {
+        consumer.consume(KotlinJavaScriptMetaFileType, KotlinJavaScriptMetaFileType.getDefaultExtension())
+    }
+}