diff --git a/jadx-core/build.gradle b/jadx-core/build.gradle
index 037d9b9cbdb375727dce4d50fee163f5ca5d3cf0..ae71c998e8bbed6968d0d1ccdc2d8488774c2b8a 100644
--- a/jadx-core/build.gradle
+++ b/jadx-core/build.gradle
@@ -8,8 +8,11 @@ dependencies {
     compile 'org.ow2.asm:asm:7.1'
     compile 'org.jetbrains:annotations:17.0.0'
     compile 'uk.com.robust-it:cloning:1.9.12'
+    compile('org.smali:smali:2.2.6') {
+        exclude group: 'com.google.guava'
+    }
+    compile 'com.google.guava:guava:27.1-jre'
 
-    testCompile 'org.smali:smali:2.2.6'
     testCompile 'org.smali:baksmali:2.2.6'
 
     testCompile 'org.apache.commons:commons-lang3:3.8.1'
diff --git a/jadx-core/src/main/java/jadx/core/utils/files/InputFile.java b/jadx-core/src/main/java/jadx/core/utils/files/InputFile.java
index 016557a96c713d00a96f878c8d4cecbce4fd5d2b..23fcc03d7f4a8a27614269347d50807b7e21cc83 100644
--- a/jadx-core/src/main/java/jadx/core/utils/files/InputFile.java
+++ b/jadx-core/src/main/java/jadx/core/utils/files/InputFile.java
@@ -18,6 +18,8 @@ import java.util.zip.ZipFile;
 
 import org.apache.commons.io.IOUtils;
 import org.jetbrains.annotations.Nullable;
+import org.jf.smali.Smali;
+import org.jf.smali.SmaliOptions;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -54,6 +56,14 @@ public class InputFile {
 			addDexFile(new Dex(file));
 			return;
 		}
+		if (fileName.endsWith(".smali")) {
+			Path output = Files.createTempFile("jadx", ".dex");
+			SmaliOptions options = new SmaliOptions();
+			options.outputDexFile = output.toAbsolutePath().toString();
+			Smali.assemble(options, file.getAbsolutePath());
+			addDexFile(new Dex(output.toFile()));
+			return;
+		}
 		if (fileName.endsWith(".class")) {
 			for (Dex dex : loadFromClassFile(file)) {
 				addDexFile(dex);
diff --git a/jadx-core/src/test/java/jadx/tests/api/SmaliTest.java b/jadx-core/src/test/java/jadx/tests/api/SmaliTest.java
index adada4db4c02bc875fdf70313b129ec6379bb4c5..79875d7c511ac0ff039092039593b59e84a0ddf4 100644
--- a/jadx-core/src/test/java/jadx/tests/api/SmaliTest.java
+++ b/jadx-core/src/test/java/jadx/tests/api/SmaliTest.java
@@ -91,10 +91,10 @@ public abstract class SmaliTest extends IntegrationTest {
 
 	private static boolean compileSmali(File output, List<File> inputFiles) {
 		try {
-			SmaliOptions params = new SmaliOptions();
-			params.outputDexFile = output.getAbsolutePath();
+			SmaliOptions options = new SmaliOptions();
+			options.outputDexFile = output.getAbsolutePath();
 			List<String> inputFileNames = inputFiles.stream().map(File::getAbsolutePath).collect(Collectors.toList());
-			Smali.assemble(params, inputFileNames);
+			Smali.assemble(options, inputFileNames);
 		} catch (Exception e) {
 			throw new AssertionError("Smali assemble error", e);
 		}
diff --git a/jadx-gui/src/main/java/jadx/gui/ui/MainWindow.java b/jadx-gui/src/main/java/jadx/gui/ui/MainWindow.java
index c89d7a51f558ec931f89ef92db7bc00698c8f67b..c34f542b7be31e98a965b19cdfc9c673c99a766c 100644
--- a/jadx-gui/src/main/java/jadx/gui/ui/MainWindow.java
+++ b/jadx-gui/src/main/java/jadx/gui/ui/MainWindow.java
@@ -197,7 +197,7 @@ public class MainWindow extends JFrame {
 	public void openFileOrProject() {
 		JFileChooser fileChooser = new JFileChooser();
 		fileChooser.setAcceptAllFileFilterUsed(true);
-		String[] exts = {JadxProject.PROJECT_EXTENSION, "apk", "dex", "jar", "class", "zip", "aar", "arsc"};
+		String[] exts = {JadxProject.PROJECT_EXTENSION, "apk", "dex", "jar", "class", "zip", "aar", "arsc", "smali"};
 		String description = "supported files: " + Arrays.toString(exts).replace('[', '(').replace(']', ')');
 		fileChooser.setFileFilter(new FileNameExtensionFilter(description, exts));
 		fileChooser.setToolTipText(NLS.str("file.open_action"));