A .sqlitedb file is a database file created by SQLite, a self-contained, serverless, zero-configuration, transactional SQL database engine. SQLite is one of the most widely deployed database engines in the world, found in mobile phones, embedded systems, and countless applications. Unlike client-server database management systems (DBMS), SQLite databases are stored in a single file, making them highly portable and easy to manage. The .sqlitedb file contains the entire database schema, tables, indexes, and data. It is a binary file format that is optimized for performance and storage efficiency. SQLite is often used for local/client data storage in application software, embedded devices, and websites. It supports standard SQL syntax and features, including transactions, triggers, and views. Because of its simplicity and wide availability, SQLite is a popular choice for developers who need a lightweight and reliable database solution.