diff --git a/src/META-INF/MANIFEST.MF b/src/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..984f7ae
--- /dev/null
+++ b/src/META-INF/MANIFEST.MF
@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+Main-Class: com.jankais3r.jPhotoDNA.Main
+
diff --git a/src/com/jankais3r/jPhotoDNA/Main.java b/src/com/jankais3r/jPhotoDNA/Main.java
new file mode 100644
index 0000000..eb63892
--- /dev/null
+++ b/src/com/jankais3r/jPhotoDNA/Main.java
@@ -0,0 +1,49 @@
+package com.jankais3r.jPhotoDNA;
+
+import org.opencv.core.Mat;
+import org.opencv.core.Core;
+import org.opencv.imgcodecs.Imgcodecs;
+import java.io.File;
+
+public class Main {
+    public static void main(String[] args) {
+        int argCount = args.length;
+        if(argCount == 2) {
+            String libPath = args[0];
+            File libFile = new File(libPath);
+            if (libFile.isFile() && (libPath.endsWith("PhotoDNAx64.dll"))) {
+                String imagePath = args[1];
+                File imageFile = new File(imagePath);
+                if (imageFile.isFile()) {
+                    System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
+                    Imgcodecs imageCodecs = new Imgcodecs();
+                    Mat matImage = imageCodecs.imread(imagePath);
+
+                    PhotoDNA engine = new PhotoDNA(libPath);
+                    byte[] hashBytes = engine.calculateHash(matImage);
+
+                    String hashString = "";
+                    for (int j = 0; j < 144; j++) {
+                        hashString = hashString + (hashBytes[j] & 0xFF);
+                        if (j + 1 != hashBytes.length)
+                            hashString = hashString + ",";
+                    }
+
+                    System.out.println(imagePath + "|" + hashString);
+                    engine.releaseBuffer();
+                } else {
+                    System.out.println("Image file does not exist.");
+                    System.exit(0);
+                }
+            } else {
+                System.out.println("Invalid path to PhotoDNAx64.dll.");
+                System.out.println("Run as: java -jar jPhotoDNA.jar PhotoDNAx64.dll image.jpg");
+                System.exit(0);
+            }
+        } else {
+            System.out.println("Invalid argument count.");
+            System.out.println("Run as: java -jar jPhotoDNA.jar PhotoDNAx64.dll image.jpg");
+            System.exit(0);
+        }
+    }
+}
diff --git a/src/com/jankais3r/jPhotoDNA/PhotoDNA.java b/src/com/jankais3r/jPhotoDNA/PhotoDNA.java
new file mode 100644
index 0000000..2ec82d6
--- /dev/null
+++ b/src/com/jankais3r/jPhotoDNA/PhotoDNA.java
@@ -0,0 +1,36 @@
+package com.jankais3r.jPhotoDNA;
+
+import com.sun.jna.Native;
+import com.sun.jna.Pointer;
+import org.opencv.core.Mat;
+
+public class PhotoDNA {
+    private extendPhotoDNA photoDNA;
+    private Pointer functPointer;
+
+    public PhotoDNA(String photoDnaLib) {
+        this.photoDNA = Native.load(photoDnaLib, extendPhotoDNA.class);
+        this.functPointer = this.photoDNA.RobustHashInitBuffer(16777216);
+    }
+
+    public byte[] calculateHash(Mat matImage) {
+        byte[] byteImage = new byte[matImage.width() * matImage.height() * matImage.channels()];
+        matImage.get(0, 0, byteImage);
+
+        int ImageWidth = matImage.width();
+        int ImageHeight = matImage.height();
+        byte[] hashValue = new byte[144];
+        if (ImageWidth * ImageHeight <= 16777216) {
+            int pitch = 0;
+            this.photoDNA.ComputeRobustHash(byteImage, ImageWidth, ImageHeight, pitch, hashValue, this.functPointer);
+        } else {
+            System.out.println("Does not support images over 16MP (4096x4096).");
+            System.exit(0);
+        }
+        return hashValue;
+    }
+
+    public void releaseBuffer() {
+        this.photoDNA.RobustHashReleaseBuffer(this.functPointer);
+    }
+}
diff --git a/src/com/jankais3r/jPhotoDNA/extendPhotoDNA.java b/src/com/jankais3r/jPhotoDNA/extendPhotoDNA.java
new file mode 100644
index 0000000..80c0d45
--- /dev/null
+++ b/src/com/jankais3r/jPhotoDNA/extendPhotoDNA.java
@@ -0,0 +1,10 @@
+package com.jankais3r.jPhotoDNA;
+
+import com.sun.jna.Library;
+import com.sun.jna.Pointer;
+
+public interface extendPhotoDNA extends Library {
+    Pointer RobustHashInitBuffer(int int0);
+    void RobustHashReleaseBuffer(Pointer pointer1);
+    int ComputeRobustHash(byte[] byteArray1, int int1, int int2, int int3, byte[] byteArray2, Pointer pointer1);
+}