diff --git a/swift/Sources/FlatBuffers/FlatBuffersUtils.swift b/swift/Sources/FlatBuffers/FlatBuffersUtils.swift
new file mode 100644
index 0000000..6838f86
--- /dev/null
+++ b/swift/Sources/FlatBuffers/FlatBuffersUtils.swift
@@ -0,0 +1,16 @@
+import Foundation
+
+public final class FlatBuffersUtils {
+    
+    /// Gets the size of the prefix
+    /// - Parameter bb: Flatbuffer object
+    public static func getSizePrefix(bb: ByteBuffer) -> Int32 {
+        return bb.read(def: Int32.self, position: bb.reader)
+    }
+    
+    /// Removes the prefix by duplicating the Flatbuffer
+    /// - Parameter bb: Flatbuffer object
+    public static func removeSizePrefix(bb: ByteBuffer) -> ByteBuffer {
+        return bb.duplicate(removing: MemoryLayout<Int32>.size)
+    }
+}