diff --git a/src/manager.py b/src/manager.py
new file mode 100644
index 0000000..b4b3567
--- /dev/null
+++ b/src/manager.py
@@ -0,0 +1,309 @@
+"""
+Progress and Cookie Management Module
+
+This module provides functionality for managing application progress, cookies,
+and database operations.
+
+Classes:
+    ProgressManager: Handles progress tracking and persistence
+    CookieManager: Manages browser cookie operations
+    DatabaseManager: Handles database interactions
+"""
+
+import logging
+import os
+import pickle
+import sqlite3
+import sys
+import time
+from datetime import date
+
+from selenium.common.exceptions import UnableToSetCookieException
+from selenium.webdriver.common.by import By
+
+LOGGER_NAME = "ChatGPT-API-Leakage"
+LOG_FORMAT = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
+logging.basicConfig(level=logging.INFO, format=LOG_FORMAT, datefmt="[%X]")
+logger = logging.getLogger(LOGGER_NAME)
+
+
+class ProgressManagerError(Exception):
+    """Custom exception for ProgressManager class errors"""
+
+    def __init__(self, message):
+        super().__init__(message)
+
+
+class ProgressManager:
+    """
+    Manages and persists progress information for long-running operations.
+
+    Attributes:
+        progress_file (Path): Path to the progress file
+
+    Methods:
+        save: Saves current progress
+        load: Loads saved progress
+    """
+
+    def __init__(self, progress_file=".progress.txt"):
+        """
+        Initialize the ProgressManager with a specified progress file.
+
+        Args:
+            progress_file (str): The file where progress data is stored.
+        """
+        self.progress_file = progress_file
+
+    def save(self, from_iter: int, total: int):
+        """
+        Saves the current progress to a file.
+
+        Args:
+            from_iter (int): The current iteration progress.
+            total (int): The total number of iterations.
+        """
+        with open(self.progress_file, "w", encoding="utf-8") as file:
+            file.write(f"{from_iter}/{total}/{time.time()}")
+
+    def load(self, total: int) -> int:
+        """
+        Loads the previously saved progress if available and valid.
+
+        Args:
+            total (int): The total number of iterations for the current process.
+
+        Returns:
+            int: The iteration number to continue from.
+        """
+        if not os.path.exists(self.progress_file):
+            return 0
+
+        with open(self.progress_file, "r", encoding="utf-8") as file:
+            last_, totl_, tmst_ = file.read().strip().split("/")
+            last, totl = int(last_), int(totl_)
+
+        if time.time() - float(tmst_) < 3600 and totl == total:
+            action = input(f"🔍 Progress found, do you want to continue from the last progress ({last}/{totl})? [yes] | no: ").lower()
+            if action in {"yes", "y", ""}:
+                return last
+
+        return 0
+
+
+class CookieManager:
+    """
+    Manages browser cookie operations.
+
+    Methods:
+        save: Saves cookies to a file
+        load: Loads cookies from a file
+        verify_user_login: Checks if the user is currently logged in
+    """
+
+    def __init__(self, driver):
+        """
+        Initialize the CookieManager with a Selenium WebDriver instance.
+
+        Args:
+            driver (WebDriver): The Selenium WebDriver for cookie operations.
+        """
+        self.driver = driver
+
+    def save(self):
+        """
+        Save cookies from the current browser session to a file.
+        """
+        cookies = self.driver.get_cookies()
+        with open("cookies.pkl", "wb") as file:
+            pickle.dump(cookies, file)
+            logger.info("🍪 Cookies saved")
+
+    def load(self):
+        """
+        Load cookies from a file and attempt to add them to the current browser session.
+        """
+        try:
+            with open("cookies.pkl", "rb") as file:
+                cookies = pickle.load(file)
+                for cookie in cookies:
+                    try:
+                        self.driver.add_cookie(cookie)
+                    except UnableToSetCookieException:
+                        logger.debug("🟡 Warning, unable to set a cookie %s", cookie)
+        except (EOFError, pickle.UnpicklingError):
+            if os.path.exists("cookies.pkl"):
+                os.remove("cookies.pkl")
+            logger.error("🔴 Error, unable to load cookies, invalid cookies has been removed, please restart.")
+
+    def verify_user_login(self):
+        """
+        Test if the user is really logged in by navigating to GitHub and checking login status.
+        """
+        logger.info("🤗 Redirecting ...")
+        self.driver.get("https://github.com/")
+
+        if self.driver.find_elements(by=By.XPATH, value="//*[contains(text(), 'Sign in')]"):
+            if os.path.exists("cookies.pkl"):
+                os.remove("cookies.pkl")
+            logger.error("🔴 Error, you are not logged in, please restart and try again.")
+            sys.exit(1)
+        return True
+
+
+class DatabaseManager:
+    """
+    This class is used to manage the database, including creating tables and handling data interactions.
+    """
+
+    def __init__(self, db_filename: str):
+        """
+        Initialize the DatabaseManager with the specified database filename.
+
+        Args:
+            db_filename (str): Path to the SQLite database file.
+        """
+        self.db_filename = db_filename
+        self.con = None
+        self.cur = None
+
+    def __enter__(self):
+        """
+        Enter the runtime context related to this object, initializing the database if needed.
+        """
+        if not os.path.exists(self.db_filename):
+            logging.info("Creating database github.db")
+
+        self.con = sqlite3.connect(self.db_filename)
+        self.cur = self.con.cursor()
+
+        self.cur.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='APIKeys'")
+        if self.cur.fetchone() is None:
+            logging.info("Creating table APIKeys")
+            self.cur.execute("CREATE TABLE APIKeys(apiKey, status, lastChecked)")
+
+        self.cur.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='URLs'")
+        if self.cur.fetchone() is None:
+            logging.info("Creating table URLs")
+            self.cur.execute("CREATE TABLE URLs(url, key)")
+
+        return self
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        """
+        Exit the runtime context and close the database connection.
+        """
+        if self.con:
+            self.con.close()
+
+    def all_iq_keys(self) -> list:
+        """
+        Get all keys with the status 'insufficient_quota'.
+
+        Returns:
+            list: A list of tuples containing API keys.
+        """
+        if self.cur is None:
+            raise ValueError("Cursor is not initialized")
+        self.cur.execute("SELECT apiKey FROM APIKeys WHERE status='insufficient_quota'")
+        return self.cur.fetchall()
+
+    def all_keys(self) -> list:
+        """
+        Get all keys with the status 'yes'.
+
+        Returns:
+            list: A list of tuples containing API keys.
+        """
+        if self.cur is None:
+            raise ValueError("Cursor is not initialized")
+        self.cur.execute("SELECT apiKey FROM APIKeys WHERE status='yes'")
+        return self.cur.fetchall()
+
+    def deduplicate(self) -> None:
+        """
+        Deduplicate the 'APIKeys' table by retaining only the latest record for each key.
+        """
+        if self.con is None:
+            raise ValueError("Connection is not initialized")
+        if self.cur is None:
+            raise ValueError("Cursor is not initialized")
+        self.cur.execute("CREATE TABLE temp_table as SELECT apiKey, status, MAX(lastChecked) as lastChecked FROM APIKeys GROUP BY apiKey;")
+        self.cur.execute("DROP TABLE APIKeys;")
+        self.cur.execute("ALTER TABLE temp_table RENAME TO APIKeys;")
+        self.con.commit()
+
+    def delete(self, api_key: str) -> None:
+        """
+        Delete a specific API key from the database.
+
+        Args:
+            api_key (str): The unique API key to remove.
+        """
+        if self.con is None:
+            raise ValueError("Connection is not initialized")
+        if self.cur is None:
+            raise ValueError("Cursor is not initialized")
+        self.cur.execute("DELETE FROM APIKeys WHERE apiKey=?", (api_key,))
+        self.con.commit()
+
+    def insert(self, api_key: str, status: str):
+        """
+        Insert a new API key and status into the database.
+
+        Args:
+            api_key (str): The API key to insert.
+            status (str): The status of the API key.
+        """
+        if self.con is None:
+            raise ValueError("Connection is not initialized")
+        if self.cur is None:
+            raise ValueError("Cursor is not initialized")
+        today = date.today()
+        self.cur.execute("INSERT INTO APIKeys(apiKey, status, lastChecked) VALUES(?, ?, ?)", (api_key, status, today))
+        self.con.commit()
+
+    def key_exists(self, api_key: str) -> bool:
+        """
+        Check if a given API key exists in the database.
+
+        Args:
+            api_key (str): The API key to search for.
+
+        Returns:
+            bool: True if the API key exists, False otherwise.
+        """
+        if self.cur is None:
+            raise ValueError("Cursor is not initialized")
+        self.cur.execute("SELECT apiKey FROM APIKeys WHERE apiKey=?", (api_key,))
+        return self.cur.fetchone() is not None
+
+    def insert_url(self, url: str) -> None:
+        """
+        Insert a new URL into the 'URLs' table.
+
+        Args:
+            url (str): The URL to add.
+        """
+        if self.con is None:
+            raise ValueError("Connection is not initialized")
+        if self.cur is None:
+            raise ValueError("Cursor is not initialized")
+        self.cur.execute("INSERT INTO URLs(url, key) VALUES(?, ?)", (url, 1))
+        self.con.commit()
+
+    def get_url(self, url: str) -> str | None:
+        """
+        Retrieve the 'key' associated with the given URL.
+
+        Args:
+            url (str): The URL to look up.
+
+        Returns:
+            str | None: The key if it exists, None if not.
+        """
+        if self.cur is None:
+            raise ValueError("Cursor is not initialized")
+        self.cur.execute("SELECT key FROM URLs WHERE url=?", (url,))
+        fetch = self.cur.fetchone()
+        return fetch[0] if fetch else None