diff --git a/backend/app/config/config.py b/backend/app/config/config.py
index 8edcbc6..e5362be 100644
--- a/backend/app/config/config.py
+++ b/backend/app/config/config.py
@@ -16,6 +16,7 @@ class Config:
     LOG_DIR = os.path.join(CONFIG_DIR, 'log')
     GENERAL_LOG_FILE = os.path.join(LOG_DIR, 'profilarr.log')
     IMPORTARR_LOG_FILE = os.path.join(LOG_DIR, 'importarr.log')
+    HASH_LOG_FILE = os.path.join(LOG_DIR, 'hash.log')
 
     # Flask Configuration
     FLASK_ENV = os.getenv('FLASK_ENV', 'production')
diff --git a/backend/app/init.py b/backend/app/init.py
index 2ef399d..38eea8d 100644
--- a/backend/app/init.py
+++ b/backend/app/init.py
@@ -44,6 +44,16 @@ def setup_logging():
                 'filename': config.IMPORTARR_LOG_FILE,
                 'maxBytes': 1048576,
                 'backupCount': 20
+            },
+
+            # hash_file handler
+            'hash_file': {
+                'class': 'logging.handlers.RotatingFileHandler',
+                'level': 'INFO',
+                'formatter': 'detailed',
+                'filename': config.HASH_LOG_FILE,
+                'maxBytes': 1048576,  # 1MB
+                'backupCount': 20
             }
         },
         'root': {
diff --git a/backend/app/utils/hash.py b/backend/app/utils/hash.py
new file mode 100644
index 0000000..607176b
--- /dev/null
+++ b/backend/app/utils/hash.py
@@ -0,0 +1,74 @@
+# app/utils/hash.py
+
+import hashlib
+import logging
+from typing import Dict, Any
+
+logger = logging.getLogger('hash')
+
+
+def generate_format_hash(format_name: str, profile_name: str,
+                         arr_config: Dict[str, Any]) -> str:
+    """
+    Generate a unique hash for a format based on its name, parent profile, and arr config.
+    """
+    arr_identifier = f"{arr_config['name']}-{arr_config['type']}"
+    hash_input = f"{format_name}:{profile_name}:{arr_identifier}".encode(
+        'utf-8')
+    hash_value = hashlib.sha256(hash_input).hexdigest()[:8]
+    logger.info(
+        f"Generated hash for format '{format_name}' in profile '{profile_name}' for {arr_identifier}"
+    )
+    return hash_value
+
+
+def process_format_name(format_name: str, profile_name: str,
+                        arr_config: Dict[str, Any]) -> str:
+    """
+    Process a format name and generate a unique hashed version if needed.
+    """
+    logger.info(f"Processing format name: {format_name}")
+
+    if not arr_config.get('import_as_unique', False):
+        logger.info(
+            f"Unique import disabled, keeping original name: {format_name}")
+        return format_name
+
+    hash_value = generate_format_hash(format_name, profile_name, arr_config)
+    new_name = f"{format_name} [{hash_value}]"
+    logger.info(f"Format name changed: {format_name} -> {new_name}")
+    return new_name
+
+
+def generate_profile_hash(profile_data: Dict[str, Any],
+                          arr_config: Dict[str, Any]) -> str:
+    """
+    Generate a unique hash for a profile based on profile name and arr name.
+    """
+    profile_name = profile_data.get('name', '')
+    arr_name = arr_config['name']
+
+    logger.info(f"Generating hash for profile '{profile_name}' for {arr_name}")
+    hash_input = f"{profile_name}:{arr_name}".encode('utf-8')
+    hash_value = hashlib.sha256(hash_input).hexdigest()[:8]
+    logger.info(f"Generated profile hash: {hash_value}")
+    return hash_value
+
+
+def process_profile_name(profile_data: Dict[str, Any],
+                         arr_config: Dict[str, Any]) -> str:
+    """
+    Process a profile name and generate a unique hashed version if needed.
+    """
+    profile_name = profile_data['name']
+    logger.info(f"Processing profile name: {profile_name}")
+
+    if not arr_config.get('import_as_unique', False):
+        logger.info(
+            f"Unique import disabled, keeping original name: {profile_name}")
+        return profile_name
+
+    hash_value = generate_profile_hash(profile_data, arr_config)
+    new_name = f"{profile_name} [{hash_value}]"
+    logger.info(f"Profile name changed: {profile_name} -> {new_name}")
+    return new_name