diff --git a/src/main/java/wasm/GWasm.java b/src/main/java/wasm/GWasm.java
index 12fc7bc..cd2f878 100644
--- a/src/main/java/wasm/GWasm.java
+++ b/src/main/java/wasm/GWasm.java
@@ -10,5 +10,18 @@ public class GWasm {
 
     public static void main(String[] args) throws IOException, InvalidOpCodeException {
 
+        long start = System.currentTimeMillis();
+        Module module = new Module("C:\\Users\\jonas\\Desktop\\Projects\\Jznnp\\S\\habbo2020\\rawfiles\\0.23.0_(534)\\habbo2020-global-prod.wasm.gz", true, new ArrayList<>());
+        long end = System.currentTimeMillis();
+
+        System.out.println("Disassemble time: " + (end - start));
+
+        start = System.currentTimeMillis();
+        module.assembleToFile("C:\\Users\\jonas\\Desktop\\Projects\\Jznnp\\S\\habbo2020\\rawfiles\\0.23.0_(534)\\out\\habbo2020-global-prod.wasm.gz", true);
+        end = System.currentTimeMillis();
+
+        System.out.println("Assemble time: " + (end - start));
+
+        System.out.println("hi");
     }
 }
diff --git a/src/main/java/wasm/disassembly/modules/Module.java b/src/main/java/wasm/disassembly/modules/Module.java
index 6a794ad..4161f08 100644
--- a/src/main/java/wasm/disassembly/modules/Module.java
+++ b/src/main/java/wasm/disassembly/modules/Module.java
@@ -21,6 +21,8 @@ import wasm.misc.StreamReplacement;
 import java.io.*;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.zip.GZIPInputStream;
+import java.util.zip.GZIPOutputStream;
 
 public class Module extends WASMOpCode {
 
@@ -80,8 +82,12 @@ public class Module extends WASMOpCode {
         in.close();
     }
 
-    public Module(String fileName, List<StreamReplacement> streamReplacements) throws IOException, InvalidOpCodeException {
-        this(new BufferedInputStream(new FileInputStream(new File(fileName))), streamReplacements);
+    public Module(String fileName, boolean gzip, List<StreamReplacement> streamReplacements) throws IOException, InvalidOpCodeException {
+        this(new BufferedInputStream(gzip ?
+                        new GZIPInputStream(new FileInputStream(new File(fileName))) :
+                        new FileInputStream(new File(fileName)))
+                , streamReplacements
+        );
     }
 
     private void disassembleCustomSections(BufferedInputStream in) throws IOException, InvalidOpCodeException {
@@ -129,8 +135,8 @@ public class Module extends WASMOpCode {
         }
     }
 
-    public void assembleToFile(String fileName) throws IOException, InvalidOpCodeException {
-        assemble(new FileOutputStream(fileName));
+    public void assembleToFile(String fileName, boolean gzip) throws IOException, InvalidOpCodeException {
+        assemble(gzip ? new GZIPOutputStream(new FileOutputStream(fileName)) : new FileOutputStream(fileName));
     }
 
     public Magic getMagic() {