The Optical Structure Recogniser (OSR is a software tool designed to convert chemical structure images into machine-readable formats. It enables researchers and chemists to extract chemical information from graphical depictions, facilitating data integration and analysis. Key Features and Functionality: - Image Recognition: Accurately identifies and interprets chemical structures from various image formats. - Data Conversion: Transforms graphical representations into standard chemical file formats, such as SMILES or SD files. - Integration Capability: Seamlessly integrates with existing chemical databases and informatics systems. Primary Value and User Benefits: OSR addresses the challenge of extracting chemical information from images, a common issue in scientific literature and patents. By automating the recognition and conversion process, it saves time and reduces manual errors, enhancing the efficiency of data retrieval and analysis for researchers and professionals in the chemical and pharmaceutical industries.