Backblaze provides cloud storage and data protection for organizations, developers, and individuals. Its B2 Cloud Storage is S3-compatible object storage designed for AI, applications, media, and other data-intensive workloads, with options for high-throughput needs through B2 Overdrive and storage for GPU-focused cloud providers. The company emphasizes predictable pricing, performance, and flexibility, helping customers scale without vendor lock-in. Its services support AI training and inference, application backends, content delivery, backup, archiving, and disaster recovery.

B2 features include Object Lock for immutable protection against ransomware, cloud replication for storing data across locations, event notifications for automated workflows, and data migration support for transfers from other cloud providers and on-premises systems. Backblaze also offers integrations with hundreds of tools, security controls such as encryption and access management, and compliance support for organizations with specific requirements. Beyond cloud storage, the company provides business endpoint backup and unlimited personal backup for Mac and PC. Backblaze serves customers ranging from startups to enterprises and offers free account registration, transparent pricing, and sales support.