diff --git a/src/components/utils/avatar.js b/src/components/utils/avatar.js
new file mode 100644
index 0000000..ba13e1a
--- /dev/null
+++ b/src/components/utils/avatar.js
@@ -0,0 +1,5 @@
+const avatarBaseUrl = process.env.REACT_APP_AVATAR_BASE_URL;
+
+export const formatAvatarUrl = (avatarPath) => {
+  return avatarPath ? `${avatarBaseUrl}${avatarPath}` : 'https://example.com/default-avatar.jpg';
+};