Developed Swedish language support for the cjpais/handy repository by introducing a dedicated translation file and updating language metadata to enable localization. Focused on front end development, the work leveraged TypeScript and JSON to integrate internationalization features, making the product accessible to Swedish-speaking users. The implementation established a scalable foundation for future language additions, ensuring that localization could be expanded efficiently. No major bugs were reported during this period, allowing attention to remain on building robust i18n infrastructure. The changes addressed product accessibility and laid groundwork for broader international reach, reflecting a methodical approach to multilingual front end engineering.