diff --git a/src/org/blueshard/cryptogx/resources/mainGUI.fxml b/src/org/blueshard/cryptogx/resources/mainGUI.fxml
index 39dbbe8..756a4b1 100644
--- a/src/org/blueshard/cryptogx/resources/mainGUI.fxml
+++ b/src/org/blueshard/cryptogx/resources/mainGUI.fxml
@@ -1,21 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<?import javafx.scene.control.Button?>
-<?import javafx.scene.control.ComboBox?>
-<?import javafx.scene.control.Menu?>
-<?import javafx.scene.control.MenuBar?>
-<?import javafx.scene.control.MenuItem?>
-<?import javafx.scene.control.RadioMenuItem?>
-<?import javafx.scene.control.ScrollPane?>
-<?import javafx.scene.control.Separator?>
-<?import javafx.scene.control.SeparatorMenuItem?>
-<?import javafx.scene.control.TextArea?>
-<?import javafx.scene.control.TextField?>
-<?import javafx.scene.image.Image?>
-<?import javafx.scene.image.ImageView?>
-<?import javafx.scene.layout.AnchorPane?>
-<?import javafx.scene.layout.VBox?>
-<?import javafx.scene.text.Text?>
+<?import javafx.geometry.*?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.image.*?>
+<?import javafx.scene.layout.*?>
+<?import javafx.scene.text.*?>
 
 <AnchorPane fx:id="rootWindow" prefHeight="470.0" prefWidth="900.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="org.blueshard.cryptogx.Controller">
    <children>
@@ -29,7 +18,7 @@
             <Menu fx:id="settingsMenu" mnemonicParsing="false" text="Settings">
                <items>
                   <MenuItem fx:id="setDefaultOutputPath" mnemonicParsing="false" text="Set default file en- / decryption output path..." />
-                  <RadioMenuItem fx:id="removeFileFromFileBox" mnemonicParsing="false" text="Remove files from filebox after en- / decryption" />
+                  <RadioMenuItem fx:id="removeFileFromFileBox" mnemonicParsing="false" text="Remove files from file box after en- / decryption" />
                   <RadioMenuItem fx:id="limitNumberOfThreads" mnemonicParsing="false" selected="true" text="Limit number of threads" />
                   <SeparatorMenuItem fx:id="settingsSeparator1" mnemonicParsing="false" />
                   <MenuItem fx:id="saveSettings" mnemonicParsing="false" text="Save settings..." />
@@ -37,7 +26,7 @@
                   <MenuItem fx:id="exportSettings" disable="true" mnemonicParsing="false" text="Export settings..." />
                   <MenuItem fx:id="importSettings" mnemonicParsing="false" text="Import settings..." />
                </items></Menu>
-            <Menu fx:id="helpMenu" mnemonicParsing="false" text="Help" />
+            <Menu fx:id="helpMenu" mnemonicParsing="false" text="Help"/>
          </menus>
       </MenuBar>
       <ImageView fx:id="minimizeWindow" fitHeight="25.0" fitWidth="25.0" layoutX="850.0" onMouseClicked="#minimizeApplication" pickOnBounds="true" preserveRatio="true">
@@ -48,56 +37,62 @@
          <image>
             <Image url="@close.png" />
          </image></ImageView>
-      <Text fx:id="textText" layoutX="103.0" layoutY="50.0" strokeType="OUTSIDE" strokeWidth="0.0" text="En- / decrypt Text" />
-      <TextField fx:id="textKeyEntry" layoutX="76.0" layoutY="64.0" onKeyTyped="#keyTypedTooltip" onMouseExited="#mouseExitEntryTooltip" onMouseMoved="#mouseOverEntryTooltip" promptText="Key" />
+      <Text fx:id="textText" layoutX="81.0" layoutY="49.0" strokeType="OUTSIDE" strokeWidth="0.0" text="En- / decrypt Text" textAlignment="CENTER" wrappingWidth="135.9" />
+      <TextField fx:id="textKeyEntry" layoutX="74.0" layoutY="64.0" onKeyTyped="#keyTypedTooltip" onMouseExited="#mouseExitEntryTooltip" onMouseMoved="#mouseOverEntryTooltip" prefHeight="25.0" prefWidth="155.0" promptText="Key" />
       <TextArea fx:id="textDecryptedEntry" layoutX="7.0" layoutY="107.0" onKeyTyped="#keyTypedTooltip" prefHeight="105.0" prefWidth="286.0" promptText="Decrypted Text" />
       <TextArea fx:id="textEncryptedEntry" layoutX="7.0" layoutY="222.0" onKeyTyped="#keyTypedTooltip" prefHeight="105.0" prefWidth="286.0" promptText="Encrypted Text" />
-      <Button fx:id="textEncryptButton" layoutX="47.0" layoutY="339.0" mnemonicParsing="false" onAction="#textEncryptButton" text="Encrypt" />
+      <Button fx:id="textEncryptButton" layoutX="29.0" layoutY="339.0" mnemonicParsing="false" onAction="#textEncryptButton" prefHeight="26.0" prefWidth="76.0" text="Encrypt" />
       <ImageView fx:id="textLoadingImage" fitHeight="40.0" fitWidth="40.0" layoutX="131.0" layoutY="332.0" pickOnBounds="true" preserveRatio="true" />
-      <Button fx:id="textDecryptButton" layoutX="199.0" layoutY="340.0" mnemonicParsing="false" onAction="#textDecryptButton" text="Decrypt" />
-      <Separator fx:id="textSeparator1" layoutX="7.0" layoutY="379.0" prefHeight="8.0" prefWidth="109.0" />
-      <Text fx:id="textAdvanced" layoutX="124.0" layoutY="386.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Advanced" wrappingWidth="53.701171875" />
-      <Separator fx:id="textSeparator2" layoutX="187.0" layoutY="379.0" prefHeight="8.0" prefWidth="109.0" />
-      <Text fx:id="textAlgorithm" layoutX="194.0" layoutY="409.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Algorithm" />
+      <Button fx:id="textDecryptButton" layoutX="199.0" layoutY="340.0" mnemonicParsing="false" onAction="#textDecryptButton" prefHeight="26.0" prefWidth="76.0" text="Decrypt" />
+      <Separator fx:id="textSeparator1" layoutX="7.0" layoutY="379.0" prefHeight="8.0" prefWidth="103.0" />
+      <Text fx:id="textAdvanced" layoutX="106.0" layoutY="386.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Advanced" textAlignment="CENTER" wrappingWidth="85.9" />
+      <Separator fx:id="textSeparator2" layoutX="190.0" layoutY="379.0" prefHeight="8.0" prefWidth="103.0" />
+      <Text fx:id="textAlgorithm" layoutX="185.0" layoutY="409.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Algorithm" textAlignment="CENTER" wrappingWidth="77.6" />
       <TextField fx:id="textSaltEntry" layoutX="14.0" layoutY="419.0" onKeyTyped="#keyTypedTooltip" onMouseExited="#mouseExitEntryTooltip" onMouseMoved="#mouseOverEntryTooltip" prefHeight="25.0" prefWidth="136.0" promptText="Salt" />
       <ComboBox fx:id="textAlgorithmBox" layoutX="156.0" layoutY="419.0" prefHeight="25.0" prefWidth="136.0" />
       <Separator fx:id="midSeparator1" layoutX="300.0" layoutY="35.0" orientation="VERTICAL" prefHeight="424.0" prefWidth="0.0" />
-      <Text fx:id="fileEnDecryptText" layoutX="403.0" layoutY="50.0" strokeType="OUTSIDE" strokeWidth="0.0" text="En- / decrypt Files" />
-      <TextField fx:id="fileEnDecryptKeyEntry" layoutX="376.0" layoutY="64.0" onKeyTyped="#keyTypedTooltip" onMouseExited="#mouseExitEntryTooltip" onMouseMoved="#mouseOverEntryTooltip" promptText="Key" />
-      <Button fx:id="fileEnDecryptFilesButton" layoutX="408.0" layoutY="97.0" mnemonicParsing="false" onAction="#fileEnDecryptChoose" text="Choose files..." />
+      <Text fx:id="fileEnDecryptText" layoutX="384.0" layoutY="49.0" strokeType="OUTSIDE" strokeWidth="0.0" text="En- / decrypt Files" textAlignment="CENTER" wrappingWidth="135.9" />
+      <TextField fx:id="fileEnDecryptKeyEntry" layoutX="374.0" layoutY="64.0" onKeyTyped="#keyTypedTooltip" onMouseExited="#mouseExitEntryTooltip" onMouseMoved="#mouseOverEntryTooltip" prefHeight="25.0" prefWidth="155.0" promptText="Key" />
+      <Button fx:id="fileEnDecryptFilesButton" layoutX="316.0" layoutY="97.0" mnemonicParsing="false" onAction="#fileEnDecryptChooseFiles" prefHeight="26.0" prefWidth="120.0" text="Choose files..." />
+      <Text layoutX="445.0" layoutY="114.0" scaleX="1.7" scaleY="1.7" scaleZ="1.7" strokeType="OUTSIDE" strokeWidth="0.0" text="/" textAlignment="CENTER" wrappingWidth="12.111118853092194" />
+      <Button fx:id="fileEnDecryptDirectoriesButton" layoutX="467.0" layoutY="97.0" mnemonicParsing="false" onAction="#fileEnDecryptChooseDirectories" prefHeight="26.0" prefWidth="120.0" text="directories..." />
       <ScrollPane fx:id="fileEnDecryptInputScroll" hbarPolicy="NEVER" layoutX="309.0" layoutY="130.0" onKeyPressed="#onFileEnDecryptPaste" prefHeight="107.0" prefWidth="286.0">
          <content>
             <VBox fx:id="fileEnDecryptInputFiles" onDragDropped="#onFileEnDecryptDragNDrop" onDragOver="#onFileEnDecryptDragOver" prefHeight="105.0" prefWidth="282.0" />
          </content>
       </ScrollPane>
-      <Text fx:id="fileEncryptOutputFileText" layoutX="310.0" layoutY="261.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Encrypted File" />
-      <TextField fx:id="fileEncryptOutputFile" editable="false" layoutX="390.0" layoutY="244.0" onKeyTyped="#keyTypedTooltip" onMouseExited="#mouseExitEntryTooltip" onMouseMoved="#mouseOverEntryTooltip" prefHeight="25.0" prefWidth="201.0" />
-      <Text fx:id="fileDecryptOutputFileText" layoutX="310.0" layoutY="290.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Decrypted File" />
-      <TextField fx:id="fileDecryptOutputFile" editable="false" layoutX="390.0" layoutY="273.0" onKeyTyped="#keyTypedTooltip" onMouseExited="#mouseExitEntryTooltip" onMouseMoved="#mouseOverEntryTooltip" prefHeight="25.0" prefWidth="201.0" />
-      <Button fx:id="fileEncrypt" layoutX="347.0" layoutY="313.0" mnemonicParsing="false" onAction="#fileEncryptButton" text="Encrypt" />
+      <TextField fx:id="fileEncryptOutputFile" editable="false" layoutX="310.0" layoutY="245.0" onKeyTyped="#keyTypedTooltip" onMouseExited="#mouseExitEntryTooltip" onMouseMoved="#mouseOverEntryTooltip" prefHeight="26.0" prefWidth="286.0" promptText="Encrypted File" />
+      <TextField fx:id="fileDecryptOutputFile" editable="false" layoutX="310.0" layoutY="277.0" onKeyTyped="#keyTypedTooltip" onMouseExited="#mouseExitEntryTooltip" onMouseMoved="#mouseOverEntryTooltip" prefHeight="27.0" prefWidth="286.0" promptText="Decrypted File" />
+      <Button fx:id="fileEncrypt" layoutX="329.0" layoutY="314.0" mnemonicParsing="false" onAction="#fileEncryptButton" prefHeight="26.0" prefWidth="76.0" text="Encrypt" />
       <ImageView fx:id="fileEnDecryptLoadingImage" fitHeight="40.0" fitWidth="40.0" layoutX="432.0" layoutY="306.0" pickOnBounds="true" preserveRatio="true" />
-      <Button fx:id="fileDecrypt" layoutX="499.0" layoutY="313.0" mnemonicParsing="false" onAction="#fileDecryptButton" text="Decrypt" />
-      <Button fx:id="fileEnDecryptStop" layoutX="426.0" layoutY="346.0" mnemonicParsing="false" onAction="#fileEnDecryptCancelButton" text="Cancel" />
-      <Separator fx:id="fileEnDecryptSeparator1" layoutX="309.0" layoutY="379.0" prefHeight="8.0" prefWidth="109.0" />
-      <Text fx:id="fileEnDecryptAdvanced" layoutX="426.0" layoutY="386.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Advanced" wrappingWidth="53.701171875" />
-      <Separator fx:id="fileEnDecryptSeparator2" layoutX="485.0" layoutY="379.0" prefHeight="8.0" prefWidth="109.0" />
-      <Text fx:id="fileEnDecryptAlgorithm" layoutX="494.0" layoutY="409.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Algorithm" />
+      <Button fx:id="fileDecrypt" layoutX="499.0" layoutY="314.0" mnemonicParsing="false" onAction="#fileDecryptButton" prefHeight="26.0" prefWidth="76.0" text="Decrypt" />
+      <Button fx:id="fileEnDecryptStop" layoutX="417.0" layoutY="345.0" mnemonicParsing="false" onAction="#fileEnDecryptCancelButton" prefHeight="26.0" prefWidth="68.0" text="Cancel" />
+      <Separator fx:id="fileEnDecryptSeparator1" layoutX="309.0" layoutY="379.0" prefHeight="8.0" prefWidth="103.0" />
+      <Text fx:id="fileEnDecryptAdvanced" layoutX="409.0" layoutY="387.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Advanced" textAlignment="CENTER" wrappingWidth="85.9" />
+      <Separator fx:id="fileEnDecryptSeparator2" layoutX="489.0" layoutY="379.0" prefHeight="8.0" prefWidth="103.0" />
+      <Text fx:id="fileEnDecryptAlgorithm" layoutX="484.0" layoutY="409.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Algorithm" textAlignment="CENTER" wrappingWidth="77.6" />
       <TextField fx:id="fileEnDecryptSaltEntry" layoutX="311.0" layoutY="419.0" onKeyTyped="#keyTypedTooltip" onMouseExited="#mouseExitEntryTooltip" onMouseMoved="#mouseOverEntryTooltip" prefHeight="25.0" prefWidth="136.0" promptText="Salt" />
       <ComboBox fx:id="fileEnDecryptAlgorithmBox" layoutX="455.0" layoutY="419.0" prefHeight="25.0" prefWidth="136.0" />
       <Separator fx:id="midSeparator2" layoutX="600.0" layoutY="35.0" orientation="VERTICAL" prefHeight="424.0" prefWidth="0.0" />
-      <Text fx:id="fileDeleteText" layoutX="703.0" layoutY="50.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Secure delete files" />
-      <Button fx:id="fileEnDecryptFilesButton1" layoutX="708.0" layoutY="64.0" mnemonicParsing="false" onAction="#fileDeleteChoose" text="Choose files..." />
-      <ScrollPane fx:id="fileDeleteInputScroll" hbarPolicy="NEVER" layoutX="608.0" layoutY="96.0" prefHeight="228.0" prefWidth="285.0">
+      <Text fx:id="fileDeleteText" layoutX="684.0" layoutY="49.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Secure delete files" textAlignment="CENTER" wrappingWidth="135.9" />
+      <Button fx:id="fileDeleteChooseFilesButton" layoutX="616.0" layoutY="64.0" mnemonicParsing="false" onAction="#fileDeleteChooseFiles" prefHeight="26.0" prefWidth="120.0" text="Choose files..." />
+      <Text layoutX="744.0" layoutY="81.0" scaleX="1.7" scaleY="1.7" scaleZ="1.7" strokeType="OUTSIDE" strokeWidth="0.0" text="/" textAlignment="CENTER" wrappingWidth="12.111118853092194" />
+      <Button fx:id="fileDeleteChooseDirectoriesButton" layoutX="764.0" layoutY="64.0" mnemonicParsing="false" onAction="#fileDeleteChooseDirectories" prefHeight="26.0" prefWidth="120.0" text="directories..." />
+      <ScrollPane fx:id="fileDeleteInputScroll" hbarPolicy="NEVER" layoutX="608.0" layoutY="100.0" prefHeight="228.0" prefWidth="285.0">
          <content>
-            <VBox fx:id="fileDeleteInputFiles" onDragDropped="#onFileDeleteDragNDrop" onDragOver="#onFileDeleteDragOver" prefHeight="226.0" prefWidth="282.0" />
+            <VBox fx:id="fileDeleteInputFiles" onDragDropped="#onFileDeleteDragNDrop" onDragOver="#onFileDeleteDragOver" prefHeight="226.0" prefWidth="283.0" />
          </content>
       </ScrollPane>
-      <Button fx:id="fileDeleteButton" layoutX="647.0" layoutY="339.0" mnemonicParsing="false" onAction="#fileDelete" text="Delete" />
+      <Button fx:id="fileDeleteButton" layoutX="646.0" layoutY="339.0" mnemonicParsing="false" onAction="#fileDelete" prefWidth="68.0" text="Delete" />
       <ImageView fx:id="fileDeleteLoadingImage" fitHeight="40.0" fitWidth="40.0" layoutX="729.0" layoutY="332.0" pickOnBounds="true" preserveRatio="true" />
-      <Button fx:id="fileDeleteStop" layoutX="799.0" layoutY="339.0" mnemonicParsing="false" onAction="#fileDeleteCancelButton" text="Cancel" />
-      <Separator fx:id="fileDeleteSeparator1" layoutX="610.0" layoutY="379.0" prefHeight="8.0" prefWidth="109.0" />
-      <Text fx:id="fileDeleteAdvanced" layoutX="725.0" layoutY="386.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Advanced" wrappingWidth="53.015625" />
-      <Separator fx:id="fileDeleteSeparator2" layoutX="781.0" layoutY="379.0" prefHeight="8.0" prefWidth="109.0" />
+      <Button fx:id="fileDeleteStop" layoutX="796.0" layoutY="339.0" mnemonicParsing="false" onAction="#fileDeleteCancelButton" prefWidth="68.0" text="Cancel" />
+      <Separator fx:id="fileDeleteSeparator1" layoutX="610.0" layoutY="379.0" prefHeight="8.0" prefWidth="103.0" />
+      <Text fx:id="fileDeleteAdvanced" layoutX="709.0" layoutY="387.0" strokeType="OUTSIDE" strokeWidth="0.0" text="Advanced" textAlignment="CENTER" wrappingWidth="85.9" />
+      <Separator fx:id="fileDeleteSeparator2" layoutX="791.0" layoutY="379.0" prefHeight="8.0" prefWidth="103.0" />
       <TextField fx:id="fileDeleteIterationsEntry" layoutX="684.0" layoutY="419.0" onKeyTyped="#keyTypedTooltip" onMouseExited="#mouseExitEntryTooltip" onMouseMoved="#mouseOverEntryTooltip" prefHeight="25.0" prefWidth="136.0" promptText="Iterations" text="5" />
+      <Text fx:id="version" fill="#0000006a" layoutX="-6.0" layoutY="465.0" scaleX="0.7" scaleY="0.7" strokeType="OUTSIDE" strokeWidth="0.0" text="v1.12.0" wrappingWidth="57.999987464019796">
+         <rotationAxis>
+            <Point3D />
+         </rotationAxis></Text>
    </children>
 </AnchorPane>