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Filen

German zero-knowledge cloud storage with 10 GB free, open-source clients, and GDPR-first architecture.

Filen is a German zero-knowledge cloud storage provider with open-source client apps, AES-GCM encryption, and GDPR-compliant infrastructure hosted entirely in Germany. The free tier offers 10 GB with no file-size limits. Paid plans are affordable — 100 GB at €1.99/mo, 2 TB at €8.99/mo. Filen supports file versioning, client-side encryption, and a WebDAV-like bridge for mounting as a network drive. All client code is published on GitHub for independent audit.

Best for

Privacy-focused users who want German data protection, open-source clients, and affordable paid plans.

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Strengths & Limitations

Strengths

  • + German-hosted with GDPR — strongest data protection laws in the EU
  • + Open-source client apps (published on GitHub) with third-party auditable code
  • + Affordable paid plans — 2 TB at €8.99/mo with client-side AES-GCM encryption

Limitations

  • Smaller user base and fewer integrations than MEGA or Proton Drive
  • No built-in collaboration or document editing — pure storage, not a productivity suite
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Expert Verdict

The best value in zero-knowledge storage — 10 GB free, open-source, and GDPR-backed.

Real-world Scenarios

Storage scenario

Choose Filen when your priority is storage and you need privacy-focused users who want german data protection, open-source clients, and affordable paid plans..

Privacy scenario

Choose Filen when your priority is privacy and you need privacy-focused users who want german data protection, open-source clients, and affordable paid plans..

When to Choose Filen

  • Best for: Privacy-focused users who want German data protection, open-source clients, and affordable paid plans.
  • Skill Level: beginner
  • Team Size: individual

Product Details

Deployment
cloud
Skill Level
beginner
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