diff --git a/Sources/SimpleSimdSwift/CastShortcuts.swift b/Sources/SimpleSimdSwift/CastShortcuts.swift
new file mode 100644
index 0000000..506cf53
--- /dev/null
+++ b/Sources/SimpleSimdSwift/CastShortcuts.swift
@@ -0,0 +1,33 @@
+//
+//  File.swift
+//  
+//
+//  Created by Yuki Kuwashima on 2024/02/02.
+//
+
+import simd
+import CoreGraphics
+
+public extension CGPoint {
+    var f2Value: f2 {
+        f2(Float(self.x), Float(self.y))
+    }
+}
+
+public extension f2 {
+    var cgPoint: CGPoint {
+        CGPoint(x: CGFloat(x), y: CGFloat(y))
+    }
+}
+
+public extension CGSize {
+    var f2Value: f2 {
+        f2(Float(self.width), Float(self.height))
+    }
+}
+
+public extension f2 {
+    var cgSize: CGSize {
+        CGSize(width: CGFloat(x), height: CGFloat(y))
+    }
+}