Abstract: Customers' access to and management of financial services have been completely changed by digital banking. In order to improve consumer convenience, banks are rapidly providing services like online banking, mobile banking, and online payment systems due to the quick advancement of technology. The analysis of client satisfaction with digital banking services is the main goal of this study. The purpose of the study is to ascertain how consumers see the effectiveness, usability, and security of online banking. A systematic questionnaire was used to gather primary data from respondents. For this study, 120 samples were collected from customers of Thanjavur district. The results show that because digital banking services are convenient, time-saving, and simple to use, the majority of consumers choose them. However, some clients experience technical issues and security concerns. In order to boost consumer happiness, the report recommends that banks strengthen security protocols, offer better customer service, and expand awareness campaigns.