KeyGuardian is a pioneering command-line tool that bolsters digital security by offering functionalities for hash identification, encryption, and decryption. In an era plagued by data breaches and cyber threats, robust digital security measures are paramount. KeyGuardian recognizes the critical role of encryption in safeguarding sensitive information and empowers users with tools to secure their digital assets effectively. Developed using Python and leveraging external libraries, KeyGuardian stands out with its user-friendly interface that simplifies cryptographic operations, making them accessible to a broader audience and democratizing digital security practices. By incorporating advanced technologies and user-centric features, KeyGuardian enhances accessibility, convenience, and overall security, contributing to a more secure and privacy-conscious digital ecosystem. Key Words: digital security, command-line tool, cryptography, data protection, python, Hashlib, zlib