diff --git a/tools/evmc/utils.cpp b/tools/evmc/utils.cpp
index 51ff6e9..fdb87b0 100644
--- a/tools/evmc/utils.cpp
+++ b/tools/evmc/utils.cpp
@@ -3,6 +3,7 @@
 // Licensed under the Apache License, Version 2.0.
 
 #include "utils.hpp"
+#include <ostream>
 #include <stdexcept>
 
 namespace evmc
@@ -45,4 +46,75 @@ std::string hex(const uint8_t* data, size_t size)
     return str;
 }
 
+std::ostream& operator<<(std::ostream& os, evmc_status_code status_code)
+{
+    const char* s = nullptr;
+    switch (status_code)
+    {
+    case EVMC_SUCCESS:
+        s = "success";
+        break;
+    case EVMC_FAILURE:
+        s = "failure";
+        break;
+    case EVMC_REVERT:
+        s = "revert";
+        break;
+    case EVMC_OUT_OF_GAS:
+        s = "out of gas";
+        break;
+    case EVMC_INVALID_INSTRUCTION:
+        s = "invalid instruction";
+        break;
+    case EVMC_UNDEFINED_INSTRUCTION:
+        s = "undefined instruction";
+        break;
+    case EVMC_STACK_OVERFLOW:
+        s = "stack overflow";
+        break;
+    case EVMC_STACK_UNDERFLOW:
+        s = "stack underflow";
+        break;
+    case EVMC_BAD_JUMP_DESTINATION:
+        s = "bad jump destination";
+        break;
+    case EVMC_INVALID_MEMORY_ACCESS:
+        s = "invalid memory access";
+        break;
+    case EVMC_CALL_DEPTH_EXCEEDED:
+        s = "call depth exceeded";
+        break;
+    case EVMC_STATIC_MODE_VIOLATION:
+        s = "static mode violation";
+        break;
+    case EVMC_PRECOMPILE_FAILURE:
+        s = "precompile failure";
+        break;
+    case EVMC_CONTRACT_VALIDATION_FAILURE:
+        s = "contract validation failure";
+        break;
+    case EVMC_ARGUMENT_OUT_OF_RANGE:
+        s = "argument out of range";
+        break;
+    case EVMC_WASM_UNREACHABLE_INSTRUCTION:
+        s = "wasm unreachable instruction";
+        break;
+    case EVMC_WASM_TRAP:
+        s = "wasm trap";
+        break;
+    case EVMC_INTERNAL_ERROR:
+        s = "internal error";
+        break;
+    case EVMC_REJECTED:
+        s = "rejected";
+        break;
+    case EVMC_OUT_OF_MEMORY:
+        s = "out of memory";
+        break;
+    default:
+        throw std::invalid_argument{"invalid EVMC status code: " + std::to_string(status_code)};
+    }
+    return os << s;
+}
+
 }  // namespace evmc
diff --git a/tools/evmc/utils.hpp b/tools/evmc/utils.hpp
index 97402c1..8591fa7 100644
--- a/tools/evmc/utils.hpp
+++ b/tools/evmc/utils.hpp
@@ -3,7 +3,9 @@
 // Licensed under the Apache License, Version 2.0.
 #pragma once
 
+#include <evmc/evmc.h>
 #include <cstdint>
+#include <iosfwd>
 #include <string>
 
 namespace evmc
@@ -27,4 +29,8 @@ bytes from_hex(const std::string& hex);
 /// Encodes bytes as hex string.
 std::string hex(const uint8_t* data, size_t size);
 
+
+/// Output stream operator for evmc_status_code.
+std::ostream& operator<<(std::ostream& os, evmc_status_code status_code);
+
 }  // namespace evmc