Backblaze B2 vs Filen

Detailed side-by-side comparison

Backblaze B2

Backblaze B2

Free

Backblaze B2 is an S3-compatible object storage solution designed for developers and businesses who need affordable, scalable cloud storage with predictable pricing. It offers unlimited storage capacity with generous free egress bandwidth (up to 3x your daily storage amount) at a fraction of the cost of major cloud providers like AWS, Azure, or Google Cloud.

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Filen

Filen

Free

Filen is a privacy-focused cloud storage service that uses zero-knowledge end-to-end encryption to ensure complete data privacy. All files are encrypted locally on your device before upload, making it ideal for individuals and businesses that prioritize security and want full control over their data with GDPR compliance.

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Feature Comparison

FeatureBackblaze B2Filen
Security & EncryptionStandard encryption in transit and at rest, but Backblaze has access to encryption keys as a traditional cloud storage providerZero-knowledge end-to-end encryption with client-side encryption before upload, ensuring only the user can decrypt their files
API & IntegrationFull S3-compatible API making it easy to integrate with existing tools and migrate from other S3-based servicesWebDAV support for basic integrations, but limited API capabilities and fewer third-party integrations overall
Data Transfer & EgressGenerous free egress bandwidth up to 3x your daily storage amount, making it cost-effective for high-traffic applicationsStandard data transfer with no special egress allowances, focused more on secure storage than high-volume data retrieval
Storage CapacityUnlimited storage with no minimum commitments, designed for large-scale data storage and backup needsTiered storage plans starting with 10GB free, suitable for personal and small business use rather than enterprise-scale storage
Use Case FocusOptimized for developers, backup solutions, and businesses needing affordable object storage with lifecycle management and automationDesigned for privacy-conscious users who need secure personal file storage and sharing with cross-platform access
Compliance & Infrastructure99.9% uptime SLA with built-in redundancy across multiple data centers, though fewer global locations than major providersGDPR compliant with EU-based data centers, open-source client applications for transparency and security auditing

Pricing Comparison

Both tools offer free tiers, but they serve different purposes: Backblaze B2 is significantly cheaper than AWS/Azure for object storage with pay-as-you-go pricing focused on storage and bandwidth costs, while Filen offers affordable tiered plans starting with 10GB free for privacy-focused personal and business file storage. Backblaze is more cost-effective for large-scale data storage and high egress needs, while Filen provides better value for users prioritizing privacy over scale.

Verdict

Choose Backblaze B2 if...

Choose Backblaze B2 if you need affordable, scalable S3-compatible object storage for backups, application data, or high-volume data storage with significant egress requirements. It's ideal for developers and businesses looking to reduce cloud storage costs while maintaining compatibility with existing S3-based workflows.

Choose Filen if...

Choose Filen if privacy and security are your top priorities and you need zero-knowledge encrypted cloud storage where only you can access your files. It's perfect for individuals and privacy-conscious businesses who want GDPR-compliant storage with cross-platform access and don't require extensive third-party integrations or enterprise-scale storage.

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Cloud Storage

Pros & Cons

Backblaze B2

Pros

  • + Significantly cheaper than AWS S3, Azure, and Google Cloud Storage
  • + Simple, transparent pricing with no hidden fees
  • + Easy migration from other S3-compatible services
  • + Generous free egress bandwidth allowance

Cons

  • - Fewer global data center locations compared to major cloud providers
  • - Limited advanced features compared to AWS S3 ecosystem
  • - Smaller partner ecosystem and third-party integrations

Filen

Pros

  • + Strong privacy focus with client-side encryption
  • + Generous free tier with 10GB storage
  • + Affordable pricing compared to competitors
  • + Open-source client applications for transparency

Cons

  • - Smaller company with less brand recognition
  • - Limited third-party integrations compared to mainstream providers
  • - Fewer collaboration features than enterprise solutions