diff --git a/onnxruntime/core/providers/webnn/builders/impl/normalization_op_builder.cc b/onnxruntime/core/providers/webnn/builders/impl/normalization_op_builder.cc
index 4d2470dfe7deb..50e04df4fe0f2 100644
--- a/onnxruntime/core/providers/webnn/builders/impl/normalization_op_builder.cc
+++ b/onnxruntime/core/providers/webnn/builders/impl/normalization_op_builder.cc
@@ -125,10 +125,7 @@ Status NormalizationOpBuilder::AddToModelBuilderImpl(ModelBuilder& model_builder
     output = model_builder.GetBuilder().call<emscripten::val>("instanceNormalization", input, options);
     // Reshape back to the original output shape for 3D input.
     if (input_shape.size() != 4) {
-      std::vector<uint32_t> output_shape;
-      std::transform(input_shape.begin(), input_shape.end(),
-                     std::back_inserter(output_shape),
-                     [](int64_t dim) -> uint32_t { return SafeInt<uint32_t>(dim); });
+      std::vector<uint32_t> output_shape = GetVecUint32FromVecInt64(input_shape);
       output = model_builder.GetBuilder().call<emscripten::val>(
           "reshape", output, emscripten::val::array(output_shape));
     }
diff --git a/onnxruntime/core/providers/webnn/builders/impl/pool_op_builder.cc b/onnxruntime/core/providers/webnn/builders/impl/pool_op_builder.cc
index 739c3b3f38def..8b3eecf35fcc8 100644
--- a/onnxruntime/core/providers/webnn/builders/impl/pool_op_builder.cc
+++ b/onnxruntime/core/providers/webnn/builders/impl/pool_op_builder.cc
@@ -81,7 +81,7 @@ Status PoolOpBuilder::AddToModelBuilderImpl(ModelBuilder& model_builder,
   const auto onnx_kernel_shape = helper.Get("kernel_shape", std::vector<int64_t>{0, 0});
   const auto onnx_strides = helper.Get("strides", std::vector<int64_t>{1, 1});
   const auto onnx_pads = helper.Get("pads", std::vector<int64_t>{0, 0, 0, 0});
-  auto pads = helper.Get("pads", std::vector<int32_t>{0, 0, 0, 0});
+  auto pads = helper.Get("pads", std::vector<uint32_t>{0, 0, 0, 0});
   std::vector<int64_t> input_shape;
   ORT_RETURN_IF_NOT(GetShape(*input_defs[0], input_shape, logger), "Cannot get shape");
   AutoPadType auto_pad_type = StringToAutoPadType(helper.Get("auto_pad", "NOTSET"));
@@ -94,12 +94,11 @@ Status PoolOpBuilder::AddToModelBuilderImpl(ModelBuilder& model_builder,
                                       auto_pad_type,
                                       pads_out,
                                       model_builder.GetPreferredLayout() == DataLayout::NCHW));
-    std::transform(pads_out.begin(), pads_out.end(), pads.begin(),
-                   [](int64_t pad) -> int32_t { return static_cast<int32_t>(pad); });
+    pads = GetVecUint32FromVecInt64(pads_out);
   }
   // Permute the ONNX's pads, which is [beginning_height, beginning_width, ending_height, ending_width],
   // while WebNN's padding is [beginning_height, ending_height, beginning_width, ending_width].
-  const std::vector<int32_t> padding{pads[0], pads[2], pads[1], pads[3]};
+  const std::vector<uint32_t> padding{pads[0], pads[2], pads[1], pads[3]};
   options.set("padding", emscripten::val::array(padding));
 
   const auto ceil_mode = helper.Get("ceil_mode", 0);
diff --git a/onnxruntime/core/providers/webnn/builders/impl/split_op_builder.cc b/onnxruntime/core/providers/webnn/builders/impl/split_op_builder.cc
index e9a600a5933af..91f21b196be54 100644
--- a/onnxruntime/core/providers/webnn/builders/impl/split_op_builder.cc
+++ b/onnxruntime/core/providers/webnn/builders/impl/split_op_builder.cc
@@ -83,10 +83,7 @@ Status SplitOpBuilder::AddToModelBuilderImpl(ModelBuilder& model_builder,
         std::vector<int64_t> mapping_split;
         mapping_split.insert(mapping_split.begin(), num_outputs - 1, input_shape[axis] / num_outputs);
         mapping_split.insert(mapping_split.end(), input_shape[axis] % num_outputs);
-        std::vector<int32_t> converted_splits;
-        std::transform(mapping_split.cbegin(), mapping_split.cend(),
-                       std::back_inserter(converted_splits),
-                       [](int64_t dim) -> int32_t { return SafeInt<int32_t>(dim); });
+        std::vector<uint32_t> converted_splits = GetVecUint32FromVecInt64(mapping_split);
         output_array = model_builder.GetBuilder().call<emscripten::val>("split",
                                                                         input,
                                                                         emscripten::val::array(converted_splits),
diff --git a/onnxruntime/core/providers/webnn/builders/impl/squeeze_unsqueeze_op_builder.cc b/onnxruntime/core/providers/webnn/builders/impl/squeeze_unsqueeze_op_builder.cc
index 9f6ccb98f79dd..15149bd8fe821 100644
--- a/onnxruntime/core/providers/webnn/builders/impl/squeeze_unsqueeze_op_builder.cc
+++ b/onnxruntime/core/providers/webnn/builders/impl/squeeze_unsqueeze_op_builder.cc
@@ -87,10 +87,7 @@ Status SqueezeUnsqueezeOpBuilder::AddToModelBuilderImpl(ModelBuilder& model_buil
 
   emscripten::val output = emscripten::val::undefined();
   // Use WebNN's reshape to implement Squeeze/Unsqueeze.
-  std::vector<uint32_t> new_shape;
-  std::transform(
-      input_shape.begin(), input_shape.end(), std::back_inserter(new_shape),
-      [](int64_t data) -> uint32_t { return SafeInt<uint32_t>(data); });
+  std::vector<uint32_t> new_shape = GetVecUint32FromVecInt64(input_shape);
   // Sort axes_data in ascending order.
   std::sort(axes_data.begin(), axes_data.end());
   if (op_type == "Squeeze") {
diff --git a/onnxruntime/core/providers/webnn/builders/impl/transpose_op_builder.cc b/onnxruntime/core/providers/webnn/builders/impl/transpose_op_builder.cc
index eca1521384643..79f60c51ace1b 100644
--- a/onnxruntime/core/providers/webnn/builders/impl/transpose_op_builder.cc
+++ b/onnxruntime/core/providers/webnn/builders/impl/transpose_op_builder.cc
@@ -40,10 +40,7 @@ Status TransposeOpBuilder::AddToModelBuilderImpl(ModelBuilder& model_builder,
 
   emscripten::val input = model_builder.GetOperand(input_defs[0]->Name());
   emscripten::val options = emscripten::val::object();
-  std::vector<int32_t> permutation;
-  std::transform(perm.cbegin(), perm.cend(),
-                 std::back_inserter(permutation),
-                 [](int64_t dim) -> int32_t { return SafeInt<int32_t>(dim); });
+  std::vector<uint32_t> permutation = GetVecUint32FromVecInt64(perm);
   options.set("permutation", emscripten::val::array(permutation));
   emscripten::val output = model_builder.GetBuilder().call<emscripten::val>("transpose", input, options);
   model_builder.AddOperand(node.OutputDefs()[0]->Name(), std::move(output));
diff --git a/onnxruntime/core/providers/webnn/webnn_execution_provider.cc b/onnxruntime/core/providers/webnn/webnn_execution_provider.cc
index cfb96af557d35..29c8ca91fe72c 100644
--- a/onnxruntime/core/providers/webnn/webnn_execution_provider.cc
+++ b/onnxruntime/core/providers/webnn/webnn_execution_provider.cc
@@ -282,9 +282,6 @@ common::Status WebNNExecutionProvider::Compile(const std::vector<FusedNodeAndGra
         // Since all the input output of WebNN EP is MultiArray, we will make the scalar input as a {1} MultiArray.
         if (shape.empty())
           shape.push_back(1);
-        std::vector<int> temp(shape.size());
-        transform(shape.begin(), shape.end(), temp.begin(),
-                  [](int64_t dim) -> uint32_t { return SafeInt<int32_t>(dim); });
         const void* inputBuffer = const_cast<void*>(input_tensor.GetTensorRawData());
         inputs.emplace(
             input_name,