diff --git a/src/Asset/Controller/Image/CustomStreamController.php b/src/Asset/Controller/Image/CustomStreamController.php
index 9411fd2c..64f2ea8a 100644
--- a/src/Asset/Controller/Image/CustomStreamController.php
+++ b/src/Asset/Controller/Image/CustomStreamController.php
@@ -40,6 +40,8 @@
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Attribute\Response\SuccessResponse;
 use Pimcore\Bundle\StudioBackendBundle\OpenApi\Config\Tags;
 use Pimcore\Bundle\StudioBackendBundle\Security\Service\SecurityServiceInterface;
+use Pimcore\Bundle\StudioBackendBundle\Util\Constant\Asset\MimeTypes;
+use Pimcore\Bundle\StudioBackendBundle\Util\Constant\Asset\ResizeModes;
 use Pimcore\Bundle\StudioBackendBundle\Util\Constant\HttpResponseCodes;
 use Pimcore\Bundle\StudioBackendBundle\Util\Constant\HttpResponseHeaders;
 use Pimcore\Bundle\StudioBackendBundle\Util\Constant\UserPermissions;
@@ -84,8 +86,17 @@ public function __construct(
         tags: [Tags::Assets->name]
     )]
     #[IdParameter(type: 'image')]
-    #[MimeTypeParameter]
-    #[ResizeModeParameter]
+    #[MimeTypeParameter(MimeTypes::PNG->value)]
+    #[ResizeModeParameter(
+        true,
+        [
+            ResizeModes::SCALE_BY_HEIGHT,
+            ResizeModes::SCALE_BY_WIDTH,
+            ResizeModes::RESIZE,
+            ResizeModes::NONE
+        ],
+        ResizeModes::NONE
+    )]
     #[ImageConfigParameter('width', 140)]
     #[ImageConfigParameter('height')]
     #[ImageConfigParameter('quality', 85)]
diff --git a/src/Asset/MappedParameter/ImageDownloadConfigParameter.php b/src/Asset/MappedParameter/ImageDownloadConfigParameter.php
index f4b3ab8e..25d04652 100644
--- a/src/Asset/MappedParameter/ImageDownloadConfigParameter.php
+++ b/src/Asset/MappedParameter/ImageDownloadConfigParameter.php
@@ -28,7 +28,7 @@
 {
     public function __construct(
         private string $mimeType,
-        private string $resizeMode,
+        private string $resizeMode = ResizeModes::NONE,
         private ?int $width = null,
         private ?int $height = null,
         private ?int $quality = null,
@@ -39,34 +39,10 @@ public function __construct(
         private string $contain = 'false',
         private string $forceResize = 'false',
     ) {
-        if (!in_array($this->mimeType, [MimeTypes::JPEG->value, MimeTypes::PNG->value], true)) {
-            throw new InvalidArgumentException('Invalid mime type' . $this->mimeType);
-        }
 
-        if (!in_array($this->resizeMode, ResizeModes::ALLOWED_MODES)) {
-            throw new InvalidArgumentException('Invalid resize mode ' . $this->resizeMode);
-        }
-
-        if ($this->resizeMode === ResizeModes::SCALE_BY_HEIGHT && !$this->isValidHeight()) {
-            throw new InvalidArgumentException(
-                'Height must be set and non-negative when using scale by width resize mode'
-            );
-        }
+        $this->validateResizeMode();
 
-        if ($this->resizeMode === ResizeModes::SCALE_BY_WIDTH && !$this->isValidWidth()) {
-            throw new InvalidArgumentException(
-                'Width must be set and non-negative when using scale by width resize mode'
-            );
-        }
-
-        if (
-            (!$this->isValidWidth() || !$this->isValidHeight()) &&
-            ($this->hasFrame() || $this->hasCover() || $this->hasContain() || $this->resizeMode === ResizeModes::RESIZE)
-        ) {
-            throw new InvalidArgumentException(
-                'Width, height must be set and non-negative when using frame, cover, contain or resize'
-            );
-        }
+        $this->validateTransformations();
     }
 
     public function getMimeType(): string
@@ -163,4 +139,44 @@ private function getBaseTransformationValues(): array
             'forceResize' => $this->getForceResize(),
         ];
     }
+
+    private function validateResizeMode(): void
+    {
+        if($this->resizeMode === ResizeModes::NONE) {
+            return;
+        }
+
+        if (!in_array($this->mimeType, [MimeTypes::JPEG->value, MimeTypes::PNG->value], true)) {
+            throw new InvalidArgumentException('Invalid mime type' . $this->mimeType);
+        }
+
+        if ($this->resizeMode === ResizeModes::SCALE_BY_HEIGHT && !$this->isValidHeight()) {
+            throw new InvalidArgumentException(
+                'Height must be set and non-negative when using scale by width resize mode'
+            );
+        }
+
+        if ($this->resizeMode === ResizeModes::SCALE_BY_WIDTH && !$this->isValidWidth()) {
+            throw new InvalidArgumentException(
+                'Width must be set and non-negative when using scale by width resize mode'
+            );
+        }
+
+        if($this->resizeMode === ResizeModes::RESIZE && (!$this->isValidWidth() || !$this->isValidHeight())) {
+            throw new InvalidArgumentException(
+                'Width and height must be set and non-negative when using resize'
+            );
+        }
+    }
+
+    private function validateTransformations(): void
+    {
+        if ((!$this->isValidWidth() || !$this->isValidHeight()) &&
+            ($this->hasFrame() || $this->hasCover() || $this->hasContain())
+        ) {
+            throw new InvalidArgumentException(
+                'Width, height must be set and non-negative when using frame, cover, contain or resize'
+            );
+        }
+    }
 }
diff --git a/src/Asset/OpenApi/Attribute/Parameter/Query/MimeTypeParameter.php b/src/Asset/OpenApi/Attribute/Parameter/Query/MimeTypeParameter.php
index fe2d1546..70b4d6aa 100644
--- a/src/Asset/OpenApi/Attribute/Parameter/Query/MimeTypeParameter.php
+++ b/src/Asset/OpenApi/Attribute/Parameter/Query/MimeTypeParameter.php
@@ -24,7 +24,7 @@
 #[Attribute(Attribute::TARGET_METHOD)]
 final class MimeTypeParameter extends QueryParameter
 {
-    public function __construct()
+    public function __construct(string $defaultValue = MimeTypes::JPEG->value)
     {
         parent::__construct(
             name: 'mimeType',
@@ -37,7 +37,7 @@ enum: [
                     MimeTypes::JPEG->value,
                     MimeTypes::PNG->value,
                 ],
-                example: MimeTypes::JPEG->value
+                example: $defaultValue
             ),
         );
     }
diff --git a/src/Asset/OpenApi/Attribute/Parameter/Query/ResizeModeParameter.php b/src/Asset/OpenApi/Attribute/Parameter/Query/ResizeModeParameter.php
index 848acb31..c1d65385 100644
--- a/src/Asset/OpenApi/Attribute/Parameter/Query/ResizeModeParameter.php
+++ b/src/Asset/OpenApi/Attribute/Parameter/Query/ResizeModeParameter.php
@@ -24,21 +24,22 @@
 #[Attribute(Attribute::TARGET_METHOD)]
 final class ResizeModeParameter extends QueryParameter
 {
-    public function __construct()
+    public function __construct(
+        bool $required = true,
+        array $resizeModes = ResizeModes::ALLOWED_MODES,
+        mixed $defaultValue = ResizeModes::SCALE_BY_WIDTH
+    )
     {
         parent::__construct(
             name: 'resizeMode',
             description: 'Resize mode of downloaded image.',
             in: 'query',
-            required: true,
+            required: $required,
+
             schema: new Schema(
                 type: 'string',
-                enum: [
-                    ResizeModes::RESIZE,
-                    ResizeModes::SCALE_BY_WIDTH,
-                    ResizeModes::SCALE_BY_HEIGHT,
-                ],
-                example: ResizeModes::SCALE_BY_WIDTH
+                enum: $resizeModes,
+                example: $defaultValue
             ),
         );
     }
diff --git a/src/Asset/Service/ThumbnailService.php b/src/Asset/Service/ThumbnailService.php
index 7eb514fa..4721465d 100644
--- a/src/Asset/Service/ThumbnailService.php
+++ b/src/Asset/Service/ThumbnailService.php
@@ -229,13 +229,14 @@ private function setThumbnailConfigResizeParameters(
                     'height' => $resizeHeight,
                 ]
             ),
-            default => $thumbnailConfig->addItem(
+            ResizeModes::RESIZE => $thumbnailConfig->addItem(
                 ResizeModes::RESIZE,
                 [
                     'width' => $resizeWidth,
                     'height' => $resizeHeight,
                 ]
             ),
+            default => null
         };
 
         return $thumbnailConfig;
diff --git a/src/Util/Constant/Asset/ResizeModes.php b/src/Util/Constant/Asset/ResizeModes.php
index 179c8878..8d89001d 100644
--- a/src/Util/Constant/Asset/ResizeModes.php
+++ b/src/Util/Constant/Asset/ResizeModes.php
@@ -27,6 +27,8 @@
 
     public const SCALE_BY_HEIGHT = 'scaleByHeight';
 
+    public const NONE = 'none';
+
     public const ALLOWED_MODES = [
         self::RESIZE,
         self::SCALE_BY_WIDTH,