Difference between Backblaze B2 and Mega

Backblaze B2 and MEGA are two popular cloud storage services that cater to different user needs and priorities. While both offer secure cloud storage solutions, they differ significantly in their approach to security, pricing models, and target audiences.

Backblaze B2

Backblaze B2 is a cloud storage service launched by Backblaze in September 2015, designed primarily for developers and businesses requiring scalable storage solutions. Founded in 2007, Backblaze operates data centers in the United States and European Union.

Backblaze B2 Architecture User Data (Encrypted) SSL Transfer (Secure) B2 Storage (API-based) Developer-focused with API integration capabilities

  • Storage capacity − Provides 10 GB free storage with unlimited storage for paid plans and no maximum file size limits.

  • Security − Files are encrypted on the user's device, transferred via SSL, and stored in encrypted format with optional client-side encryption.

  • API integration − Designed for software integration with third-party applications and developer tools.

  • Ransomware protection − Offers object locks and immutable storage options for enhanced data protection.

MEGA

MEGA is a consumer-focused cloud storage service launched in January 2013, known for its strong emphasis on privacy and client-side encryption. Originally founded by Kim Dotcom, the service prioritizes user privacy above all else.

MEGA Client-Side Encryption Model User Data (Plain text) AES-128 (Client-side) MEGA Cloud (Encrypted) ? Zero-knowledge encryption MEGA cannot access your data even if they wanted to

  • Storage capacity − Offers 15 GB permanent free storage with up to 50 GB total (including 35 GB temporary), maximum 16 TB for paid plans.

  • Security − Uses 128-bit AES encryption with client-side encryption, ensuring zero-knowledge privacy where only users can decrypt their data.

  • Features − Includes file sharing, versioning, secure link sharing, and two-factor authentication for enhanced security.

  • Transparency − Provides annual transparency reports and maintains cross-platform application support.

Comparison

Feature Backblaze B2 MEGA
Free Storage 10 GB 15 GB permanent + 35 GB temporary
Maximum Storage Unlimited 16 TB
Encryption Server-side with optional client-side Client-side AES-128 (zero-knowledge)
Target Audience Developers and businesses Privacy-conscious consumers
API Integration Extensive developer APIs Limited API access
File Size Limit No limit No limit

Conclusion

Backblaze B2 excels as a developer-friendly storage solution with unlimited capacity and API integration, while MEGA prioritizes user privacy with client-side encryption and zero-knowledge architecture. Choose B2 for business applications and MEGA for personal use with maximum privacy.

Updated on: 2026-03-16T23:36:12+05:30

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