diff --git a/Libraries/LibGfx/CMakeLists.txt b/Libraries/LibGfx/CMakeLists.txt
index 923356b3e6..b4028c691d 100644
--- a/Libraries/LibGfx/CMakeLists.txt
+++ b/Libraries/LibGfx/CMakeLists.txt
@@ -53,6 +53,7 @@ set(SOURCES
     SharedImage.cpp
     SharedImageBuffer.cpp
     ShareableBitmap.cpp
+    ShapeFeature.cpp
     Size.cpp
     SkiaBackendContext.cpp
     SkiaUtils.cpp
diff --git a/Libraries/LibGfx/ShapeFeature.cpp b/Libraries/LibGfx/ShapeFeature.cpp
new file mode 100644
index 0000000000..2b9753bcdf
--- /dev/null
+++ b/Libraries/LibGfx/ShapeFeature.cpp
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2026-present, the Ladybird developers.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibGfx/ShapeFeature.h>
+#include <LibIPC/Decoder.h>
+#include <LibIPC/Encoder.h>
+
+namespace IPC {
+
+template<>
+ErrorOr<void> encode(Encoder& encoder, Gfx::ShapeFeature const& feature)
+{
+    TRY(encoder.append(reinterpret_cast<u8 const*>(feature.tag), sizeof(feature.tag)));
+    TRY(encoder.encode(feature.value));
+    return {};
+}
+
+template<>
+ErrorOr<Gfx::ShapeFeature> decode(Decoder& decoder)
+{
+    Gfx::ShapeFeature feature {};
+    TRY(decoder.decode_into(Bytes { reinterpret_cast<u8*>(feature.tag), sizeof(feature.tag) }));
+    feature.value = TRY(decoder.decode<u32>());
+    return feature;
+}
+
+}
diff --git a/Libraries/LibGfx/ShapeFeature.h b/Libraries/LibGfx/ShapeFeature.h
index 8d0b2a1d7a..11dba9b2b9 100644
--- a/Libraries/LibGfx/ShapeFeature.h
+++ b/Libraries/LibGfx/ShapeFeature.h
@@ -7,6 +7,7 @@
 #pragma once
 
 #include <AK/Vector.h>
+#include <LibIPC/Forward.h>
 
 namespace Gfx {
 
@@ -22,6 +23,16 @@ using ShapeFeatures = Vector<ShapeFeature, 4>;
 
 }
 
+namespace IPC {
+
+template<>
+ErrorOr<void> encode(Encoder&, Gfx::ShapeFeature const&);
+
+template<>
+ErrorOr<Gfx::ShapeFeature> decode(Decoder&);
+
+}
+
 namespace AK {
 
 template<>