Koofr is a privacy-focused cloud storage service from Slovenia providing secure file storage with multi-device synchronization. The platform supports applications for Windows, Linux, macOS, and mobile platforms. Koofr includes web-based file access through browser interfaces. The service supports connection to external cloud accounts including Dropbox and Google Drive for unified file access. Koofr emphasizes privacy with no tracking or advertisement. The platform includes Vault option for client-side zero-knowledge encryption. Koofr provides file sharing with granular permission controls. The service is hosted in German data centers powered by renewable energy.