diff --git a/PasswordDialogBox.png b/PasswordDialogBox.png
new file mode 100644
index 0000000..9cc2d87
Binary files /dev/null and b/PasswordDialogBox.png differ
diff --git a/README.md b/README.md
index 9e96c09..940714c 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,8 @@ On the OS X create the tools directory in ~/Documents/Arduino/ and unpack the fi
 
 ![Screenshot](screenshot.png)
 
+![DialogBox](PasswordDialogBox.png)
+
 ## Credits and license
 
 - Copyright (c) 2015 Hristo Gochkov (ficeto at ficeto dot com)
diff --git a/esp8266littlefs.jar b/esp8266littlefs.jar
new file mode 100644
index 0000000..363f527
Binary files /dev/null and b/esp8266littlefs.jar differ
diff --git a/makeLittleFS.bat b/makeLittleFS.bat
new file mode 100644
index 0000000..0447df8
--- /dev/null
+++ b/makeLittleFS.bat
@@ -0,0 +1,46 @@
+ECHO off
+
+REM set pde_path=C:/temp/JavaTrials/Arduino-master/build/windows/work/lib/pde.jar
+REM set pde_path=C:/temp/JavaTrials/Arduino-master/app/pde.jar
+set pde_path=D:/Program Files (x86)/Arduino/lib/pde.jar
+
+REM set core_path=C:/temp/JavaTrials/Arduino-master/build/windows/work/lib/arduino-core.jar
+REM set core_path=C:/temp/JavaTrials/Arduino-master/arduino-core/arduino-core.jar
+set core_path=D:/Program Files (x86)/Arduino/lib/arduino-core.jar
+REM set lib_path=C:/temp/JavaTrials/Arduino-master/build/windows/work/lib/commons-codec-1.7.jar
+REM set lib_path=C:/temp/JavaTrials/Arduino-master/app/lib/commons-codec-1.7.jar
+REM set lib_path=C:/temp/JavaTrials/Arduino-master/arduino-core/lib/commons-codec-1.7.jar
+set lib_path=D:/Program Files (x86)/Arduino/lib/commons-codec-1.7.jar
+
+echo pde_path: %pde_path%
+echo core_path: %core_path%
+echo lib_path: %lib_path%
+
+mkdir bin
+
+ECHO on
+javac -target 1.8 -source 1.8 -cp "%pde_path%;%core_path%;%lib_path%" -d bin src/ESP8266LittleFS.java
+ECHO off
+
+mkdir tools
+mkdir tools\ESP8266LittleFS
+mkdir tools\ESP8266LittleFS\tool
+erase tools\ESP8266LittleFS\tool\esp8266littlefs.jar
+
+cd bin
+
+jar cfveM ..\tools\ESP8266LittleFS\tool\esp8266littlefs.jar -C com\esp8266\mklittlefs ESP8266LittleFS.class ESP8266LittleFS$1.class ESP8266LittleFS$2.class
+
+cd ..
+
+exit /B
+
+REM popd
+
+REM dist=$PWD/dist
+REM rev=$(git describe --tags)
+REM mkdir -p $dist
+REM pushd $INSTALLDIR/tools
+REM rm -f $dist/*.zip
+REM zip -r $dist/ESP8266LittleFS-$rev.zip ESP8266LittleFS/
+REM popd
diff --git a/src/ESP8266LittleFS.java b/src/ESP8266LittleFS.java
index 70a2001..2bd6302 100644
--- a/src/ESP8266LittleFS.java
+++ b/src/ESP8266LittleFS.java
@@ -6,6 +6,7 @@
 
   Original copyright (c) 2015 Hristo Gochkov (ficeto at ficeto dot com)
   Modified from SPIFFS to LittleFS by Earle F. Philhower, III
+  Modified for OTA password by Ladi Kehl
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -320,7 +321,17 @@ private void createAndUpload(){
     if(isNetwork){
       System.out.println("[LittleFS] IP      : "+serialPort);
       System.out.println();
-      sysExec(new String[]{pythonCmd, espota.getAbsolutePath(), "-i", serialPort, "-s", "-f", imagePath});
+
+			// ask for a password
+			String passCode = JOptionPane.showInputDialog(editor, "Please enter password:\n(leave empty if none required!)","ESP8266LittleFS OTA Update", JOptionPane.QUESTION_MESSAGE);
+			if(passCode != null) {
+				if(passCode.isEmpty()) {
+					sysExec(new String[]{pythonCmd, espota.getAbsolutePath(), "-i", serialPort, "-s", "-f", imagePath});
+				} else {	
+					sysExec(new String[]{pythonCmd, espota.getAbsolutePath(), "-i", serialPort, "-s", "-f", imagePath, "-a", passCode});
+				}
+			}
+
     } else {
       System.out.println("[LittleFS] address : "+uploadAddress);
       System.out.println("[LittleFS] reset   : "+resetMethod);