Free
€0
month
Eligible new accounts can receive 10 GB of free storage. Referral storage may be available under current eligibility rules.
Check current pricing →F
Filen
Filen is a German cloud storage service with client-side zero-knowledge encryption, file synchronization, sharing, encrypted notes, chats, and developer tools.
Editorial overview
Aggregated Overview
Filen offers broad encrypted-storage functionality across web, desktop, mobile, CLI, API, SDK, WebDAV, S3, and rclone workflows. Pricing is transparent and competitive for encrypted storage. Review evidence is limited to a moderate Trustpilot score and public customer commentary.
This profile combines documented product information and independent evidence where available. It is not a hands-on test unless TechZella explicitly identifies one.
Overview
Filen is a cloud storage and collaboration service operated by Filen Cloud Dienste UG in Recklinghausen, Germany. The company became an official business in May 2021.
The service encrypts files and metadata on the client before transmission. Its documentation describes AES-256-GCM encryption, user-controlled master keys, file versioning, synchronization, sharing, encrypted notes, and private chats.
Filen supports browser access, desktop clients for Windows, macOS, and Linux, mobile apps for Android and iOS, and command-line workflows. The platform also provides a public API, TypeScript and Go tooling, a Rust SDK foundation, and CLI-based WebDAV and S3 mirror servers.
Filen Decision Snapshot
A quick way to understand who this product may suit, where its limits matter, and which facts are most relevant before you compare alternatives.
Platforms
Android, API, CLI, iOS, Linux, macOS
TechZella assessment
8.2/10
Filen Pros & Cons
Pros
- Client-side zero-knowledge encryption protects core stored data.
- Supports web, desktop, mobile, CLI, API, and SDK access.
- Paid plans include unlimited bandwidth and unlimited uploads.
- Offers network-drive mounting and technical WebDAV and S3 options.
- Includes encrypted notes and chats alongside file storage.
- Provides a free tier for eligible new accounts.
Cons
- Dedicated business and family plans remain roadmap items.
- Free-storage eligibility can be affected by anonymization services during signup.
- Free accounts require periodic activity to remain active.
- Some integrations require command-line or self-hosted configuration.
- Independent review coverage is limited compared with larger cloud providers.
Security & Privacy
For security-sensitive software, TechZella focuses on documented architecture, authentication, data handling, deployment and privacy details that can affect a buying decision. This is product research, not an independent security audit.
Security posture at a glance
| Deployment | Cloud-hosted SaaS |
|---|---|
| Encryption | Client-side AES-256-GCM with zero-knowledge architecture |
| Data location | Filen states that its headquarters and servers are located in Germany |
Security claims are presented only when supported by documented sources. The presence of this section does not constitute a penetration test, certification or independent security audit.
Filen Pricing & Plans
Pro I
€1.99
month
200 GiB storage with unlimited bandwidth, unlimited uploads, encryption, synchronization, network drive access, sharing, notes, and chats.
Check current pricing →Pro II
€3.99
month
500 GiB storage with the same listed core features as Pro I.
Check current pricing →Pro III
€8.99
month
2 TiB storage with unlimited bandwidth, unlimited uploads, encryption, synchronization, network drive access, sharing, notes, and chats.
Check current pricing →Pro X
€39.99
month
10 TiB storage with unlimited bandwidth, unlimited uploads, encryption, synchronization, network drive access, sharing, notes, and chats.
Check current pricing →Pricing may change. Verify current plans on the vendor's website.
Filen Competitors & Alternatives
Compare similar products directly, then see which alternatives may make more sense when your requirements differ.
Direct competitors
These products address broadly similar requirements. The descriptions focus on documented reasons a buyer might compare them with Filen.
Filen Features
Security and Privacy
- Client-side zero-knowledge encryption
- AES-256-GCM encryption
- Encrypted file metadata and directory names
- Open-source AGPL v3 client applications
- Two-factor authentication support
Storage and File Management
- Cloud file storage
- File and folder sharing
- File versioning
- Unlimited uploads on paid plans
- Unlimited bandwidth on paid plans
- Trash and file recovery workflows
Synchronization and Access
- Web application
- Windows desktop client
- macOS desktop client
- Linux desktop client
- Android mobile app
- iOS mobile app
- Network drive mounting
- Selective synchronization
Collaboration
- Encrypted notes
- Rich-text, code, Markdown, and checklist notes
- Encrypted chats
- Encrypted sharing with other Filen users
Developer and Integration Tools
- Public API
- TypeScript SDK
- Go SDK
- Rust SDK foundation
- Command-line interface
- WebDAV mirror server
- S3-compatible mirror server
- Native rclone backend
Filen Specifications
| Software type | Cloud storage and file synchronization software |
|---|---|
| Deployment | Cloud-hosted SaaS |
| Encryption | Client-side AES-256-GCM with zero-knowledge architecture |
| Platforms | Web, Windows, macOS, Linux, Android, iOS |
| Developer access | Public API, CLI, SDKs |
| Integrations | rclone, WebDAV mirror, S3-compatible mirror |
| Free tier | 10 GB for eligible new accounts |
| Free trial | No separate time-limited trial published; free tier available |
| Paid billing | Monthly pricing displayed in euros |
| Data location | Filen states that its headquarters and servers are located in Germany |
| Open source | Client applications released under AGPL v3 |
| Company size | 2-10 employees according to LinkedIn |
Our evidence-based assessment
TechZella Score
A proprietary editorial score based on product capabilities, usability, value, performance, support and user sentiment evidence.
8.2/10Moderate confidence
Filen offers broad encrypted-storage functionality across web, desktop, mobile, CLI, API, SDK, WebDAV, S3, and rclone workflows. Pricing is transparent and competitive for encrypted storage. Review evidence is limited to a moderate Trustpilot score and public customer commentary.
Methodology v1.0. The assessment weighs feature coverage (25%), ease of use (15%), value for money (20%), performance (15%), support (10%) and user sentiment (15%), using researched product evidence and verified review evidence where available. It is a TechZella editorial assessment, not a direct user-review average.
Filen FAQs
Answers begin with the clearest available response, followed by the context that helps you act on it.
Is Filen free?
Yes. Eligible new accounts can receive 10 GB of free storage. Referral storage may be available under current eligibility rules.
Does Filen offer end-to-end encryption?
Filen uses client-side, zero-knowledge encryption. Its documentation specifies AES-256-GCM for files and metadata.
Which devices support Filen?
Filen supports browser access, Windows, macOS, Linux, Android, and iOS. A command-line client is also available.
Does Filen have an API?
Yes. The public API supports storage management, sharing, notes, contacts, chats, settings, uploads, and downloads.
Does Filen integrate with other tools?
Filen provides SDKs, a CLI, WebDAV and S3 mirror servers, and native rclone support. No broad native business-app integration directory was identified.
Does Filen offer a free trial?
Yes.
Filen offers a free tier rather than a separate time-limited trial.
Filen offers a free tier rather than a separate time-limited trial.
Can Filen storage be mounted as a drive?
Yes. Desktop clients and CLI tools support network-drive mounting on supported operating systems.
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