diff --git a/core/libs/prx/libSceConvertKeycode/CMakeLists.txt b/core/libs/prx/libSceConvertKeycode/CMakeLists.txt
new file mode 100644
index 000000000..d4f82eb5f
--- /dev/null
+++ b/core/libs/prx/libSceConvertKeycode/CMakeLists.txt
@@ -0,0 +1,15 @@
+add_library(libSceConvertKeycode SHARED EXCLUDE_FROM_ALL Export.cpp)
+target_include_directories(libSceConvertKeycode PRIVATE ${LIBS_INCLUDE_DIR})
+configure_windows_unwind(libSceConvertKeycode)
+
+if(BUILD_TESTING)
+    add_test_executable(guest_convert_keycode_tests ${LIBS_INCLUDE_DIR}/tests/GuestConvertKeycode.cpp)
+    target_include_directories(guest_convert_keycode_tests PRIVATE ${LIBS_INCLUDE_DIR})
+    target_link_libraries(guest_convert_keycode_tests PRIVATE libSceConvertKeycode libc)
+    configure_windows_unwind(guest_convert_keycode_tests)
+    add_test(NAME guest_convert_keycode COMMAND guest_convert_keycode_tests)
+    if(WIN32)
+        set_tests_properties(guest_convert_keycode PROPERTIES ENVIRONMENT_MODIFICATION
+            "PATH=path_list_prepend:$<TARGET_FILE_DIR:libSceConvertKeycode>")
+    endif()
+endif()
diff --git a/core/libs/tests/GuestConvertKeycode.cpp b/core/libs/tests/GuestConvertKeycode.cpp
new file mode 100644
index 000000000..c25a9f31b
--- /dev/null
+++ b/core/libs/tests/GuestConvertKeycode.cpp
@@ -0,0 +1,30 @@
+#include "SceTypes.hpp"
+#include "prx/libc/include/general/VabiMacros.hpp"
+#include <cstdint>
+#include <cstdlib>
+
+extern "C" {
+int APS5_VABI sceConvertKeycodeGetImeKeyboardType(std::int32_t, std::uint32_t*);
+}
+
+static void Require(bool value) { if (!value) std::abort(); }
+
+int main() {
+    constexpr int invalidAddress = static_cast<int>(0x80BC0031u);
+    constexpr int invalidUserId = static_cast<int>(0x80BC0010u);
+
+    Require(sceConvertKeycodeGetImeKeyboardType(0, nullptr) == invalidAddress);
+    Require(sceConvertKeycodeGetImeKeyboardType(-1, nullptr) == invalidAddress);
+
+    std::uint32_t type = 0xFFFFFFFFu;
+    Require(sceConvertKeycodeGetImeKeyboardType(-1, &type) == invalidUserId);
+    Require(type == 0xFFFFFFFFu);
+
+    Require(sceConvertKeycodeGetImeKeyboardType(0, &type) == 0);
+    Require(type == 0);
+
+    type = 0xFFFFFFFFu;
+    Require(sceConvertKeycodeGetImeKeyboardType(1, &type) == 0);
+    Require(type == 0);
+    return 0;
+}