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diff --git a/audio/common/all-versions/default/HidlUtils.h b/audio/common/all-versions/default/HidlUtils.h
new file mode 100644
index 0000000000..758a7f43d1
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+++ b/audio/common/all-versions/default/HidlUtils.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef android_hardware_audio_Hidl_Utils_H_
+#define android_hardware_audio_Hidl_Utils_H_
+
+#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
+
+#include <memory>
+
+#include <system/audio.h>
+
+using ::android::hardware::hidl_vec;
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace common {
+namespace CPP_VERSION {
+namespace implementation {
+
+using namespace ::android::hardware::audio::common::CPP_VERSION;
+
+class HidlUtils {
+   public:
+    static void audioConfigFromHal(const audio_config_t& halConfig, AudioConfig* config);
+    static void audioConfigToHal(const AudioConfig& config, audio_config_t* halConfig);
+    static void audioGainConfigFromHal(const struct audio_gain_config& halConfig,
+                                       AudioGainConfig* config);
+    static void audioGainConfigToHal(const AudioGainConfig& config,
+                                     struct audio_gain_config* halConfig);
+    static void audioGainFromHal(const struct audio_gain& halGain, AudioGain* gain);
+    static void audioGainToHal(const AudioGain& gain, struct audio_gain* halGain);
+    static AudioUsage audioUsageFromHal(const audio_usage_t halUsage);
+    static audio_usage_t audioUsageToHal(const AudioUsage usage);
+    static void audioOffloadInfoFromHal(const audio_offload_info_t& halOffload,
+                                        AudioOffloadInfo* offload);
+    static void audioOffloadInfoToHal(const AudioOffloadInfo& offload,
+                                      audio_offload_info_t* halOffload);
+    static void audioPortConfigFromHal(const struct audio_port_config& halConfig,
+                                       AudioPortConfig* config);
+    static void audioPortConfigToHal(const AudioPortConfig& config,
+                                     struct audio_port_config* halConfig);
+    static void audioPortConfigsFromHal(unsigned int numHalConfigs,
+                                        const struct audio_port_config* halConfigs,
+                                        hidl_vec<AudioPortConfig>* configs);
+    static std::unique_ptr<audio_port_config[]> audioPortConfigsToHal(
+        const hidl_vec<AudioPortConfig>& configs);
+    static void audioPortFromHal(const struct audio_port& halPort, AudioPort* port);
+    static void audioPortToHal(const AudioPort& port, struct audio_port* halPort);
+    static void uuidFromHal(const audio_uuid_t& halUuid, Uuid* uuid);
+    static void uuidToHal(const Uuid& uuid, audio_uuid_t* halUuid);
+};
+
+}  // namespace implementation
+}  // namespace CPP_VERSION
+}  // namespace common
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // android_hardware_audio_Hidl_Utils_H_