diff --git a/lvk/LVK.h b/lvk/LVK.h
index 0fad354387..cf5120ca46 100644
--- a/lvk/LVK.h
+++ b/lvk/LVK.h
@@ -928,6 +928,8 @@ namespace lvk {
 
 using ShaderModuleErrorCallback = void (*)(lvk::IContext*, lvk::ShaderModuleHandle, int line, int col, const char* debugName);
 
+constexpr uint32_t kMaxCustomExtensions = 32;
+
 struct ContextConfig {
   bool terminateOnValidationError = false; // invoke std::terminate() on any validation error
   bool enableValidation = true;
@@ -936,6 +938,9 @@ struct ContextConfig {
   const void* pipelineCacheData = nullptr;
   size_t pipelineCacheDataSize = 0;
   ShaderModuleErrorCallback shaderModuleErrorCallback = nullptr;
+  const char* extensionsInstance[kMaxCustomExtensions] = {}; // add extra instance extensions on top of required ones
+  const char* extensionsDevice[kMaxCustomExtensions] = {}; // add extra device extensions on top of required ones
+  void* extensionsDeviceFeatures = nullptr; // inserted into VkPhysicalDeviceVulkan11Features::pNext
 };
 
 [[nodiscard]] bool isDepthOrStencilFormat(lvk::Format format);
diff --git a/lvk/vulkan/VulkanClasses.cpp b/lvk/vulkan/VulkanClasses.cpp
index 479a04e75d..0eb72659d8 100644
--- a/lvk/vulkan/VulkanClasses.cpp
+++ b/lvk/vulkan/VulkanClasses.cpp
@@ -4479,7 +4479,7 @@ bool lvk::VulkanContext::getQueryPoolResults(QueryPoolHandle pool,
 void lvk::VulkanContext::createInstance() {
   vkInstance_ = VK_NULL_HANDLE;
 
-  const char* instanceExtensionNames[] = {
+  std::vector<const char*> instanceExtensionNames = {
     VK_KHR_SURFACE_EXTENSION_NAME,
     VK_EXT_DEBUG_UTILS_EXTENSION_NAME,
 #if defined(_WIN32)
@@ -4499,11 +4499,17 @@ void lvk::VulkanContext::createInstance() {
 #if defined(LVK_WITH_VULKAN_PORTABILITY)
     VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME,
 #endif
-    VK_EXT_VALIDATION_FEATURES_EXTENSION_NAME // enabled only for validation
   };
 
-  const uint32_t numInstanceExtensions = config_.enableValidation ? (uint32_t)LVK_ARRAY_NUM_ELEMENTS(instanceExtensionNames)
-                                                                  : (uint32_t)LVK_ARRAY_NUM_ELEMENTS(instanceExtensionNames) - 1;
+  if (config_.enableValidation) {
+    instanceExtensionNames.push_back(VK_EXT_VALIDATION_FEATURES_EXTENSION_NAME); // enabled only for validation
+  }
+
+  for (const char* ext : config_.extensionsInstance) {
+    if (ext) {
+      instanceExtensionNames.push_back(ext);
+    }
+  }
 
 #if !defined(ANDROID)
   // GPU Assisted Validation doesn't work on Android.
@@ -4574,8 +4580,8 @@ void lvk::VulkanContext::createInstance() {
     .pApplicationInfo = &appInfo,
     .enabledLayerCount = config_.enableValidation ? (uint32_t)LVK_ARRAY_NUM_ELEMENTS(kDefaultValidationLayers) : 0u,
     .ppEnabledLayerNames = config_.enableValidation ? kDefaultValidationLayers : nullptr,
-    .enabledExtensionCount = numInstanceExtensions,
-    .ppEnabledExtensionNames = instanceExtensionNames,
+    .enabledExtensionCount = (uint32_t)instanceExtensionNames.size(),
+    .ppEnabledExtensionNames = instanceExtensionNames.data(),
   };
   VK_ASSERT(vkCreateInstance(&ci, nullptr, &vkInstance_));
 
@@ -4766,7 +4772,7 @@ lvk::Result lvk::VulkanContext::initContext(const HWDeviceDesc& desc) {
   };
   const uint32_t numQueues = ciQueue[0].queueFamilyIndex == ciQueue[1].queueFamilyIndex ? 1 : 2;
 
-  const char* deviceExtensionNames[] = {
+  std::vector<const char*> deviceExtensionNames = {
     VK_KHR_SWAPCHAIN_EXTENSION_NAME,
 #if defined(LVK_WITH_TRACY)
     VK_EXT_CALIBRATED_TIMESTAMPS_EXTENSION_NAME,
@@ -4796,6 +4802,12 @@ lvk::Result lvk::VulkanContext::initContext(const HWDeviceDesc& desc) {
 #endif
   };
 
+  for (const char* ext : config_.extensionsDevice) {
+    if (ext) {
+      deviceExtensionNames.push_back(ext);
+    }
+  }
+
   VkPhysicalDeviceFeatures deviceFeatures10 = {
 #if !defined(__APPLE__)
     .geometryShader = VK_TRUE,
@@ -4816,6 +4828,7 @@ lvk::Result lvk::VulkanContext::initContext(const HWDeviceDesc& desc) {
   };
   VkPhysicalDeviceVulkan11Features deviceFeatures11 = {
       .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_1_FEATURES,
+      .pNext = config_.extensionsDeviceFeatures,
       .storageBuffer16BitAccess = VK_TRUE,
       .samplerYcbcrConversion = VK_TRUE,
       .shaderDrawParameters = VK_TRUE,
@@ -4876,8 +4889,8 @@ lvk::Result lvk::VulkanContext::initContext(const HWDeviceDesc& desc) {
       .pNext = createInfoNext,
       .queueCreateInfoCount = numQueues,
       .pQueueCreateInfos = ciQueue,
-      .enabledExtensionCount = (uint32_t)LVK_ARRAY_NUM_ELEMENTS(deviceExtensionNames),
-      .ppEnabledExtensionNames = deviceExtensionNames,
+      .enabledExtensionCount = (uint32_t)deviceExtensionNames.size(),
+      .ppEnabledExtensionNames = deviceExtensionNames.data(),
       .pEnabledFeatures = &deviceFeatures10,
   };