Worked on enhancing localization and accessibility for the Jellyfin Web application by updating German language support in the jellyfin/jellyfin-web repository. Focused on improving the usability of the user interface for German-speaking users, the work involved updating and validating German UI strings to ensure clarity and consistency. Leveraged Weblate as a centralized translation management platform, streamlining the workflow for translation updates and asset validation. Utilized JSON for managing translation files and applied web development skills to integrate the changes seamlessly. The contribution addressed accessibility needs, ensuring that the application’s German interface met quality standards for both accuracy and user experience.