Filen
Private cloud storage with encrypted sync, notes, and sharing.
Filen is a zero-knowledge cloud storage service built around client-side encryption for files, backups, sharing, and collaboration. It offers web, desktop, mobile, and CLI access, with features such as network drive mounting, smart sync, encrypted notes, and encrypted chats. Accounts start with a free storage tier, with paid plans for more capacity.
Why it stands out
- Combines encrypted storage with adjacent collaboration tools like notes and chat, rather than limiting itself to file vaulting.
- Network drive support lets users work with cloud files without keeping a full local copy.
- Apps are described as open source, giving security-minded users more visibility than many proprietary storage services.
- Company headquarters and servers are in Germany, which may matter for users prioritizing EU data-protection jurisdiction.
- The service states that encryption applies across its feature set, not only to stored files.
Good to know
- The free account starts at 10 GiB, so larger backups or media libraries require a paid plan.
- Zero-knowledge design means users should treat password and recovery setup carefully, since the provider says it cannot access stored data.
- Germany-only hosting may not fit organizations that require data residency in another specific region.
Photos
Privacy-conscious individuals and small teams who need Dropbox-like file sync without provider-readable storage. Back up folders from a laptop while keeping files encrypted before upload. Mount cloud storage as a local drive instead of fully syncing every file. Share documents, notes, or chats with collaborators while retaining end-to-end encryption. Use one secure storage account across web, desktop, mobile, and command-line workflows.
Zero-knowledge client-side file encryption with AES-256; cloud file manager with list and grid views; network drive and Smart Sync; multiple sync modes for backup and device synchronization; encrypted notes with rich text, code, markdown, and checklists; end-to-end encrypted chats and file sharing; open-source apps; Germany-based infrastructure and GDPR alignment.
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