diff --git a/main/inc/lib/extra_field.lib.php b/main/inc/lib/extra_field.lib.php
index cb98338cc6..5ef52776c0 100755
--- a/main/inc/lib/extra_field.lib.php
+++ b/main/inc/lib/extra_field.lib.php
@@ -1368,9 +1368,9 @@ EOF;
                     case ExtraField::FIELD_TYPE_FILE_IMAGE:
                         $fieldVariable = "extra_{$field_details['variable']}";
 
-                        $fieldTexts = array(
+                        $fieldTexts = [
                             $field_details['display_text']
-                        );
+                        ];
 
                         if (is_array($extraData) && array_key_exists($fieldVariable, $extraData)) {
 
@@ -1378,22 +1378,26 @@ EOF;
                                 $fieldTexts[] = Display::img(
                                     api_get_path(WEB_UPLOAD_PATH) . $extraData[$fieldVariable],
                                     $field_details['display_text'],
-                                    array('width' => '300')
+                                    ['width' => '300']
                                 );
                             }
                         }
 
+                        if ($fieldTexts[0] === 'Image') {
+                            $fieldTexts[0] = get_lang($fieldTexts[0]);
+                        }
+
                         $form->addElement(
                             'file',
                             $fieldVariable,
                             $fieldTexts,
-                            array('accept' => 'image/*')
+                            ['accept' => 'image/*', 'id' => 'extra_image']
                         );
 
                         $form->applyFilter('extra_'.$field_details['variable'], 'stripslashes');
                         $form->applyFilter('extra_'.$field_details['variable'], 'trim');
 
-                        $allowed_picture_types = array ('jpg', 'jpeg', 'png', 'gif');
+                        $allowed_picture_types = ['jpg', 'jpeg', 'png', 'gif'];
                         $form->addRule(
                             'extra_'.$field_details['variable'],
                             get_lang('OnlyImagesAllowed') . ' ('.implode(',', $allowed_picture_types).')',
diff --git a/main/inc/lib/extra_field_value.lib.php b/main/inc/lib/extra_field_value.lib.php
index b7d34c3585..3f862f2250 100755
--- a/main/inc/lib/extra_field_value.lib.php
+++ b/main/inc/lib/extra_field_value.lib.php
@@ -222,7 +222,13 @@ class ExtraFieldValue extends Model
                     }
 
                     if ($value['error'] == 0) {
+
+                        //Crop the image to adjust 4:3 ratio
+                        $crop = new Image($value['tmp_name']);
+                        $crop->crop($value['crop_parameters']);
+
                         $imageExtraField = new Image($value['tmp_name']);
+                        $imageExtraField->resize(400);
                         $imageExtraField->send_image($fileDir . $fileName, -1, 'png');
                         $newParams = array(
                             'item_id' => $params['item_id'],
diff --git a/main/inc/lib/sessionmanager.lib.php b/main/inc/lib/sessionmanager.lib.php
index 3fa467741e..618dc1fab3 100755
--- a/main/inc/lib/sessionmanager.lib.php
+++ b/main/inc/lib/sessionmanager.lib.php
@@ -1334,7 +1334,7 @@ class SessionManager
      * @param integer   $sessionCategoryId
      * @param int       $visibility
      * @param string    $description
-     * @param bool      $showDescription
+     * @param int       $showDescription
      * @param int       $duration
      * @param array     $extraFields
      * @param int       $sessionAdminId
diff --git a/main/session/session_add.php b/main/session/session_add.php
index 7715fa1987..04842639d1 100644
--- a/main/session/session_add.php
+++ b/main/session/session_add.php
@@ -22,6 +22,57 @@ api_protect_limit_for_session_admin();
 $formSent=0;
 $errorMsg='';
 
+// Crop picture plugin for session images
+$htmlHeadXtra[] = '<link  href="'. api_get_path(WEB_PATH) .'web/assets/cropper/dist/cropper.min.css" rel="stylesheet">';
+$htmlHeadXtra[] = '<script src="'. api_get_path(WEB_PATH) .'web/assets/cropper/dist/cropper.min.js"></script>';
+$htmlHeadXtra[] = '<script>
+$(document).ready(function() {
+    var $image = $("#previewImage");
+    var $input = $("[name=\'cropResult\']");
+    var $cropButton = $("#cropButton");
+
+    $("input:file").change(function() {
+        var oFReader = new FileReader();
+        oFReader.readAsDataURL(document.getElementById("extra_image").files[0]);
+        $("#extra_image").next("p").remove();
+
+        oFReader.onload = function (oFREvent) {
+            $image.attr("src", this.result);
+            $("#labelCropImage").html("'.get_lang('Preview').'");
+            $("#cropImage").addClass("thumbnail");
+            $cropButton.removeClass("hidden");
+            // Destroy cropper
+            $image.cropper("destroy");
+
+            $image.cropper({
+                aspectRatio: 4 / 3,
+                responsive : true,
+                center : false,
+                guides : false,
+                movable: false,
+                zoomable: false,
+                rotatable: false,
+                scalable: false,
+                crop: function(e) {
+                    // Output the result data for cropping image.
+                    $input.val(e.x+","+e.y+","+e.width+","+e.height);
+                }
+            });
+        };
+    });
+
+    $("#cropButton").on("click", function() {
+        var canvas = $image.cropper("getCroppedCanvas");
+        var dataUrl = canvas.toDataURL();
+        $image.attr("src", dataUrl);
+        $image.cropper("destroy");
+        $cropButton.addClass("hidden");
+        return false;
+    });
+});
+
+</script>';
+
 $interbreadcrumb[] = array(
     'url' => 'session_list.php',
     'name' => get_lang('SessionList'),
@@ -141,6 +192,21 @@ $(function() {
 });
 </script>';
 
+$form->addHtml(''
+    . '<div class="form-group">'
+    . '<label for="cropImage" id="labelCropImage" class="col-sm-2 control-label"></label>'
+    . '<div class="col-sm-8">'
+    . '<div id="cropImage" class="cropCanvas">'
+    . '<img id="previewImage" >'
+    . '</div>'
+    . '<div>'
+    . '<button class="btn btn-primary hidden" name="cropButton" id="cropButton"><em class="fa fa-crop"></em> '.get_lang('CropYourPicture').'</button>'
+    . '</div>'
+    . '</div>'
+    . '</div>'
+    . '');
+$form->addHidden('cropResult', '');
+
 $form->addButtonNext(get_lang('NextStep'));
 
 if (!$formSent) {
@@ -171,14 +237,19 @@ if ($form->validate()) {
     $description = $params['description'];
     $showDescription = isset($params['show_description']) ? 1: 0;
     $sendSubscriptionNotification = isset($params['send_subscription_notification']);
+    $isThisImageCropped = isset($params['cropResult']);
 
-    $extraFields = array();
+    $extraFields = [];
     foreach ($params as $key => $value) {
         if (strpos($key, 'extra_') === 0) {
             $extraFields[$key] = $value;
         }
     }
 
+    if (isset($extraFields['extra_image']) && $isThisImageCropped) {
+        $extraFields['extra_image']['crop_parameters'] = $params['cropResult'];
+    }
+
     $return = SessionManager::create_session(
         $name,
         $startDate,
diff --git a/main/session/session_edit.php b/main/session/session_edit.php
index 97a0d8e654..015a7bd6a5 100644
--- a/main/session/session_edit.php
+++ b/main/session/session_edit.php
@@ -14,6 +14,57 @@ $this_section = SECTION_PLATFORM_ADMIN;
 
 $formSent = 0;
 
+// Crop picture plugin for session images
+$htmlHeadXtra[] = '<link  href="'. api_get_path(WEB_PATH) .'web/assets/cropper/dist/cropper.min.css" rel="stylesheet">';
+$htmlHeadXtra[] = '<script src="'. api_get_path(WEB_PATH) .'web/assets/cropper/dist/cropper.min.js"></script>';
+$htmlHeadXtra[] = '<script>
+$(document).ready(function() {
+    var $image = $("#previewImage");
+    var $input = $("[name=\'cropResult\']");
+    var $cropButton = $("#cropButton");
+
+    $("input:file").change(function() {
+        var oFReader = new FileReader();
+        oFReader.readAsDataURL(document.getElementById("extra_image").files[0]);
+        $("#extra_image").next("p").remove();
+
+        oFReader.onload = function (oFREvent) {
+            $image.attr("src", this.result);
+            $("#labelCropImage").html("'.get_lang('Preview').'");
+            $("#cropImage").addClass("thumbnail");
+            $cropButton.removeClass("hidden");
+            // Destroy cropper
+            $image.cropper("destroy");
+
+            $image.cropper({
+                aspectRatio: 4 / 3,
+                responsive : true,
+                center : false,
+                guides : false,
+                movable: false,
+                zoomable: false,
+                rotatable: false,
+                scalable: false,
+                crop: function(e) {
+                    // Output the result data for cropping image.
+                    $input.val(e.x+","+e.y+","+e.width+","+e.height);
+                }
+            });
+        };
+    });
+
+    $("#cropButton").on("click", function() {
+        var canvas = $image.cropper("getCroppedCanvas");
+        var dataUrl = canvas.toDataURL();
+        $image.attr("src", dataUrl);
+        $image.cropper("destroy");
+        $cropButton.addClass("hidden");
+        return false;
+    });
+});
+
+</script>';
+
 // Database Table Definitions
 $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
 $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
@@ -120,6 +171,21 @@ $(function() {
 });
 </script>';
 
+$form->addHtml(''
+    . '<div class="form-group">'
+    . '<label for="cropImage" id="labelCropImage" class="col-sm-2 control-label"></label>'
+    . '<div class="col-sm-8">'
+    . '<div id="cropImage" class="cropCanvas">'
+    . '<img id="previewImage" >'
+    . '</div>'
+    . '<div>'
+    . '<button class="btn btn-primary hidden" name="cropButton" id="cropButton"><em class="fa fa-crop"></em> '.get_lang('CropYourPicture').'</button>'
+    . '</div>'
+    . '</div>'
+    . '</div>'
+    . '');
+$form->addHidden('cropResult', '');
+
 $form->addButtonUpdate(get_lang('ModifyThisSession'));
 
 $formDefaults = $sessionInfo;
@@ -156,14 +222,19 @@ if ($form->validate()) {
     $description = $params['description'];
     $showDescription = isset($params['show_description']) ? 1: 0;
     $sendSubscriptionNotification = isset($params['send_subscription_notification']);
+    $isThisImageCropped = isset($params['cropResult']);
 
-    $extraFields = array();
+    $extraFields = [];
     foreach ($params as $key => $value) {
         if (strpos($key, 'extra_') === 0) {
             $extraFields[$key] = $value;
         }
     }
 
+    if (isset($extraFields['extra_image']) && $isThisImageCropped) {
+        $extraFields['extra_image']['crop_parameters'] = $params['cropResult'];
+    }
+
     $return = SessionManager::edit_session(
         $id,
         $name,