update:

src/Response/MediaAnalyzerResponseInterface.php

@@ -84,4 +84,17 @@ public function getFileFormat(): mixed;
      * @return mixed
      */
     public function getNestedValue(string $path, mixed $default = null): mixed;
+
+
+    /**
+     * @return mixed|string
+     */
+    public function getPlaytimeSeconds(): mixed;
+
+
+    /**
+     * @param bool $withNumber
+     * @return mixed|null
+     */
+    public function getFileSize(bool $withNumber = false): mixed;
 }

src/Traits/HasInfoFile.php

@@ -8,13 +8,8 @@
 trait HasInfoFile
 {
 
-    /**
-     * @return string
-     */
-    public function getDuration(): string
-    {
-        return date('H:i:s', $this->getNestedValue('playtime_seconds') ?? 0);
-    }
+    use HasNumberData;
+
 
     /**
      * @param string $key
@@ -94,15 +89,6 @@ public function getAlbum(): mixed
     }
 
 
-    /**
-     * @return mixed|string
-     */
-    public function getPlaytime(): mixed
-    {
-        return $this->getNestedValue('playtime_string') ?? '';
-    }
-
-
     /**
      * @return array|mixed
      */
@@ -156,5 +142,4 @@ public function getFileFormat(): mixed
         return $this->getNestedValue('fileformat') ?? null;
     }
 
-
 }

src/Traits/HasNumberData.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Plutuss\Traits;
+
+trait HasNumberData
+{
+
+    /**
+     * @return string
+     */
+    public function getDuration(): string
+    {
+        return date('H:i:s',
+            $this->getNestedValue('playtime_seconds') ?? 0);
+    }
+
+    /**
+     * @return mixed|string
+     */
+    public function getPlaytime(): mixed
+    {
+        return $this->getNestedValue('playtime_string') ?? '';
+    }
+
+    /**
+     * @return mixed|string
+     */
+    public function getPlaytimeSeconds(): mixed
+    {
+        return $this->getNestedValue('playtime_seconds') ?? '';
+    }
+
+
+    /**
+     * @param bool $withNumber
+     * @return mixed|string|null
+     */
+    public function getFileSize(bool $withNumber = false): mixed
+    {
+        $filesize = $this->getNestedValue('filesize') ?? 0;
+
+        if ($withNumber) {
+            return \Illuminate\Support\Number::fileSize($filesize);
+        }
+
+        return $filesize;
+    }
+}