Description: Masking tools are software or applications designed to implement data masking techniques that allow for the concealment or modification of sensitive information to protect individuals’ privacy and information security. These tools are fundamental in the context of data anonymization, as they enable data to be used for analysis and development without compromising the identity of the individuals to whom the data belongs. The main features of these tools include the ability to transform real data into fictitious or altered data while maintaining the structure and format of the original data. This is crucial in sectors such as healthcare, finance, and education, where the protection of personal data is a legal and ethical obligation. Additionally, masking tools can be configured to apply different levels of masking depending on the sensitivity of the information and specific regulatory compliance requirements. Their relevance has grown in the digital age, where the handling of large volumes of data poses significant risks to privacy and security. In summary, masking tools are essential for ensuring that data can be used safely and responsibly, allowing organizations to comply with data protection regulations and foster user trust.