diff --git a/services/backup/src/Tools.cpp b/services/backup/src/Tools.cpp
index 33938ed57..80762b414 100644
--- a/services/backup/src/Tools.cpp
+++ b/services/backup/src/Tools.cpp
@@ -1,57 +1,71 @@
 #include "Tools.h"
 
 #include "GlobalConstants.h"
 #include "GlobalTools.h"
 
 #include <chrono>
 #include <cstdlib>
 #include <random>
 #include <sstream>
 #include <stdexcept>
 
 namespace comm {
 namespace network {
 namespace tools {
 
 std::string generateRandomString(std::size_t length) {
   const std::string CHARACTERS =
       "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
   thread_local std::random_device generator;
   std::uniform_int_distribution<> distribution(0, CHARACTERS.size() - 1);
   std::string random_string;
   for (std::size_t i = 0; i < length; ++i) {
     random_string += CHARACTERS[distribution(generator)];
   }
   return random_string;
 }
 
 std::string generateHolder(
     const std::string &blobHash,
     const std::string &backupID,
     const std::string &resourceID) {
   return backupID + ID_SEPARATOR + resourceID + ID_SEPARATOR + blobHash +
       ID_SEPARATOR + tools::generateUUID();
 }
 
 std::string validateAttachmentHolders(const std::string &holders) {
   std::stringstream stream(holders);
   std::string item;
   std::string result;
 
   while (std::getline(stream, item, ATTACHMENT_DELIMITER)) {
     if (item.empty()) {
       throw std::runtime_error("empty holder detected");
     }
     result += item;
     result += ATTACHMENT_DELIMITER;
   }
   if (result.empty()) {
     throw std::runtime_error("parse attachment holders failed");
   }
 
   return result;
 }
 
+int charPtrToInt(const char *str) {
+  unsigned int intValue;
+  std::stringstream strValue;
+
+  strValue << str;
+  strValue >> intValue;
+
+  return intValue;
+}
+
+size_t getBlobPutField(blob::PutRequest::DataCase field) {
+  return static_cast<size_t>(field);
+}
+
 } // namespace tools
 } // namespace network
 } // namespace comm
diff --git a/services/backup/src/Tools.h b/services/backup/src/Tools.h
index 619d66398..40893234c 100644
--- a/services/backup/src/Tools.h
+++ b/services/backup/src/Tools.h
@@ -1,20 +1,26 @@
 #pragma once
 
+#include <blob.pb.h>
+
 #include <string>
 
 namespace comm {
 namespace network {
 namespace tools {
 
 std::string generateRandomString(std::size_t length = 20);
 
 std::string generateHolder(
     const std::string &blobHash,
     const std::string &backupID,
     const std::string &resourceID = "");
 
 std::string validateAttachmentHolders(const std::string &holders);
 
+int charPtrToInt(const char *str);
+
+size_t getBlobPutField(blob::PutRequest::DataCase field);
+
 } // namespace tools
 } // namespace network
 } // namespace comm