Shinyscreen is developed using the R Shiny framework with an intent to support web-based data analysis and visualisation. The user interface (UI) for Shinyscreen (Figure ) is defined in Shiny UI scripts using fluid layouts to enable data input, visualisation and control elements. Each UI component is reactive, automatically updating in response to user interactions, such as modifying input configurations or adjusting analysis parameters. This design ensures a interactive and intuitive user experience, enabling efficient handling of complex mass spectrometry data in real-time.