diff --git a/brillo/strings/string_utils.cc b/brillo/strings/string_utils.cc
new file mode 100644
index 0000000..8279a0e
--- /dev/null
+++ b/brillo/strings/string_utils.cc
@@ -0,0 +1,89 @@
+// Copyright 2014 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <brillo/strings/string_utils.h>
+
+#include <algorithm>
+#include <string.h>
+#include <utility>
+
+#include <base/strings/string_util.h>
+#include <base/strings/stringprintf.h>
+
+namespace brillo {
+namespace string_utils {
+
+std::vector<std::string> Split(const std::string& str,
+                               const std::string& delimiter,
+                               bool trim_whitespaces,
+                               bool purge_empty_strings) {
+  std::vector<std::string> tokens;
+  if (str.empty())
+    return tokens;
+
+  for (std::string::size_type i = 0;;) {
+    const std::string::size_type pos =
+        delimiter.empty() ? (i + 1) : str.find(delimiter, i);
+    std::string tmp_str{str.substr(i, pos - i)};
+    if (trim_whitespaces)
+      base::TrimWhitespaceASCII(tmp_str, base::TRIM_ALL, &tmp_str);
+    if (!tmp_str.empty() || !purge_empty_strings)
+      tokens.emplace_back(std::move(tmp_str));
+    if (pos >= str.size())
+      break;
+    i = pos + delimiter.size();
+  }
+  return tokens;
+}
+
+bool SplitAtFirst(const std::string& str,
+                  const std::string& delimiter,
+                  std::string* left_part,
+                  std::string* right_part,
+                  bool trim_whitespaces) {
+  bool delimiter_found = false;
+  std::string::size_type pos = str.find(delimiter);
+  if (pos != std::string::npos) {
+    *left_part = str.substr(0, pos);
+    *right_part = str.substr(pos + delimiter.size());
+    delimiter_found = true;
+  } else {
+    *left_part = str;
+    right_part->clear();
+  }
+
+  if (trim_whitespaces) {
+    base::TrimWhitespaceASCII(*left_part, base::TRIM_ALL, left_part);
+    base::TrimWhitespaceASCII(*right_part, base::TRIM_ALL, right_part);
+  }
+
+  return delimiter_found;
+}
+
+std::pair<std::string, std::string> SplitAtFirst(const std::string& str,
+                                                 const std::string& delimiter,
+                                                 bool trim_whitespaces) {
+  std::pair<std::string, std::string> pair;
+  SplitAtFirst(str, delimiter, &pair.first, &pair.second, trim_whitespaces);
+  return pair;
+}
+
+std::string ToString(double value) {
+  return base::StringPrintf("%g", value);
+}
+
+std::string ToString(bool value) {
+  return value ? "true" : "false";
+}
+
+std::string GetBytesAsString(const std::vector<uint8_t>& buffer) {
+  return std::string(buffer.begin(), buffer.end());
+}
+
+std::vector<uint8_t> GetStringAsBytes(const std::string& str) {
+  return std::vector<uint8_t>(str.begin(), str.end());
+}
+
+}  // namespace string_utils
+}  // namespace brillo