The purpose of the article is to present mechanisms of impact of the library virtual space on the processes of intellectual development of users. The article substantiates the need to transform traditional library activities into the integrated digital space capable of meeting the modern society growing information needs. The key components of a modern library, including electronic catalogs, digital collections, online databases and interactive services, are examined; their role in supporting scientific research, educational process and self-education is determined. The influence of library services digitalization on the formation of information culture and the development of critical thinking of users is analyzed. The importance of training in the skills of effective search, evaluation and use of information in the digital environment is emphasized. Special attention is paid to the role of virtual library communities in creating a favorable atmosphere for knowledge exchange and cooperation. The problems and prospects of developing the virtual library environment in the context of ensuring equal access to information for all social groups, preserving cultural heritage and combating misinformation are determined.