diff --git a/Libraries/LibCompress/Forward.h b/Libraries/LibCompress/Forward.h
new file mode 100644
index 00000000000..f4b35518cf5
--- /dev/null
+++ b/Libraries/LibCompress/Forward.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2024, Tim Flynn <trflynn89@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+namespace Compress {
+
+class DeflateCompressor;
+class DeflateDecompressor;
+class GzipCompressor;
+class GzipDecompressor;
+class ZlibCompressor;
+class ZlibDecompressor;
+
+}