diff --git a/electron/main/index.html b/electron/main/index.html
index e8adfd3..da1ac03 100644
--- a/electron/main/index.html
+++ b/electron/main/index.html
@@ -16,8 +16,13 @@
   </div>
   <div class="dropdownMenus" id="dropdownMenus">
     <select name="ai_type" id="ai_type">
+      <option value="ai">ai</option>
     </select>
     <select name="transkript_type" id="transkript_type">
+      <option value="transkripty">transkripty</option>
+    </select>
+    <select name="output_type" id="output_type">
+      <option value="mp4">mp4</option>
     </select>
     <select name="language_option" id="language_option">
     </select>
@@ -40,12 +45,12 @@
 <div class="checkbox-group">
   <label id="checkbox_group" for="checkbox-group">Choose prefered document style:</label>
   <div class="checkbox-container">
-    <input type="checkbox" name ="docFormat" id="docFormat">
+    <input type="checkbox" name ="docFormat" id="docFormat" value="Meeting report">
     <label id="label_format" for="docFormat">Meeting report</label>
   </div>
 
   <div class="checkbox-container">
-    <input type="checkbox" name="docFormat" id="docFormatSummary">
+    <input type="checkbox" name="docFormat" id="docFormatSummary" value="Summary with timestamps">
     <label id="label_summary" for="docFormatSummary">Summary with timestamps</label>
   </div>
 </div>
diff --git a/electron/main/renderer.js b/electron/main/renderer.js
index 7e97240..8391a52 100644
--- a/electron/main/renderer.js
+++ b/electron/main/renderer.js
@@ -16,10 +16,14 @@ uploadContainer.addEventListener("drop", (e) => {
         e.preventDefault()
         const files = e.dataTransfer.files
         const filePath = window.explorer.onFileDrop(files[0])
-        var holdy = filePath + "";
-        if(holdy.endsWith(".mp4") || holdy.endsWith(".mov") || holdy.endsWith(".avi") || holdy.endsWith( ".mkv")){
+        const testEndings = [".mp4", ".mov", ".avi", ".mkv"];
+        var pathToLower = filePath.toLowerCase();
+        if(testEndings.some(e => pathToLower.endsWith(e))){
+          document.getElementById("progressbar").style.visibility = "visible";
             const files1 = e.dataTransfer.files;
             handleFiles(files1);
+        }else{
+          alert('The given file is not compatible. These are the available types: [".mp4", ".mov", ".avi", ".mkv"].');
         }
     
     } catch (error) {
diff --git a/electron/main/script.js b/electron/main/script.js
index e3c006f..84b1004 100644
--- a/electron/main/script.js
+++ b/electron/main/script.js
@@ -4,10 +4,11 @@ function checkBoxes() {
   try {
     const checkboxes = document.querySelectorAll('input[name="docFormat"]');
     let isChecked = false;
-
+    var checkedCounter = 0;
     checkboxes.forEach(function(checkbox){
       if(checkbox.checked){
         isChecked = true;
+        checkedCounter++;
       }
     });
 
@@ -19,11 +20,48 @@ function checkBoxes() {
           selectedCheckboxes[checkbox.nextElementSibling.textContent] = "";
         } 
       });
-      console.log(selectedCheckboxes);
+
+      const testEndings = [".mp4", ".mov", ".avi", ".mkv"];
       var pathTest = window.electronAPI.getFilePath(videoUpload.files[0]);
-      if(pathTest.endsWith(".mp4") || pathTest.endsWith(".mov") || pathTest.endsWith(".avi") || pathTest.endsWith( ".mkv")){
+      var pathToLower = pathTest.toLowerCase();
+      if(testEndings.some(e => pathToLower.endsWith(e))){
         document.getElementById("progressbar").style.visibility = "visible";
+        //assembly of the json for the main
+
+        const selectedStyles = [checkedCounter];
+        var iter = 0;
+        checkboxes.forEach(function(checkbox){
+        if(checkbox.checked){
+          console.log(checkbox.value);
+          selectedStyles[iter] = {iter: checkbox.value};
+          iter++;
+          } 
+        });
+        console.log(selectedCheckboxes);
+        const outputType = document.getElementById("output_type");
+        const transcriptionType = document.getElementById("transkript_type");
+        const aiType = document.getElementById("ai_type");
+        const sendingPackage = {
+          "video": {
+            "module":"extraction-video-toaudio",
+            "inputVideoPath": pathTest,
+            "outputType": outputType.value
+          },
+          "transcription": {
+            "module": transcriptionType.value
+          },
+          "document": {
+            "module":aiType.value,
+            "style": selectedStyles
+          }
+        };
+        console.log(sendingPackage);
+
+
+
         //window.extractor.extract({inputVideoPath: pathTest, outputType:"wav"});
+      }else{
+        alert('The given file is not compatible. These are the available types: [".mp4", ".mov", ".avi", ".mkv"].');
       }
     } else {
       //language only english at the moment
@@ -68,6 +106,7 @@ function handleFiles(files) {
         videoUpload.files = files;
         fileName.textContent = `Chosen video: ${file.name}`;
         generateThumbnail(filePath);
+        activateSubmitBtn(true);
       }
     }
   } catch (error) {
@@ -96,7 +135,7 @@ function loadAiOptions(options){
     var menu = document.getElementById('ai_type');
     var object_holdy;
     var choice ;
-    object_holdy = Object.keys(languageOptions);
+    object_holdy = Object.keys(options);
     for(i = 0; i < options.length; i++){
       choice = document.createElement('option');
       choice.textContent = object_holdy[i];
@@ -109,6 +148,25 @@ function loadAiOptions(options){
   }
 }
 
+//function to load transcription options to the drop down list
+function loadTranscriptionOptions(options){
+  try {
+    var menu = document.getElementById('transkript_type');
+    var object_holdy;
+    var choice ;
+    object_holdy = Object.keys(options);
+    for(i = 0; i < options.length; i++){
+      choice = document.createElement('option');
+      choice.textContent = object_holdy[i];
+      choice.value = object_holdy[i];
+      menu.appendChild(choice);
+    }
+  } catch (error) {
+    console.log("Error in script.js function loadTranscriptionOptions");
+    console.log(error);
+  }
+}
+
 //function to load language options to the drop down list
 function loadLanguageOptions(){
   try {