Backblaze is a cloud storage company providing high-performance, S3-compatible object storage for AI infrastructure, applications, and other data-intensive workloads. Its B2 Cloud Storage platform is designed to help organizations store, access, and move large datasets with predictable costs and without vendor lock-in. Offerings include B2 Overdrive, a high-throughput service for demanding workloads, and storage solutions for AI training and inference, GPU cloud providers, application backends, media delivery, backup, and archiving.

Backblaze also provides tools to support data protection and infrastructure workflows. Features include Object Lock for immutable backups, cloud replication, event notifications, and universal data migration from cloud providers and on-premises systems. Its platform offers encryption, access controls, logging, and multi-region replication, alongside compliance support for enterprise and regulated environments. Backblaze serves businesses through integrations with hundreds of technology partners and offers Powered by Backblaze tools for platforms that want to provide storage to their own customers. The company also provides computer backup services for businesses and individuals, with options for enterprise-grade endpoint protection and unlimited personal backup.