The lowest-cost
S3 object storage
No credit card required
Our technology has been featured in
No hidden fees
$4.99/TB/month for storage capacity. Everything else is included.
$0
Egress fees
$0
API request fees
$0
Exit fees
See your actual savings
Enter your storage and egress volumes to compare your monthly bill across providers.
Prices are published list rates in USD as of July 2026. Backblaze B2 includes free egress up to 3× your monthly stored amount; the $10/TB rate applies beyond that threshold. Regional pricing may vary.
The S3 you expected
Compatible with everything your team already uses.
Drop-in S3 compatibility
Same API, same SDKs, same tools. Point your existing workflow at our endpoint.
Zero egress fees
Every read is free, so your bill stays flat no matter how busy the month.
Eleven nines of durability
99.999999999% durability, replicated across locations and monitored around the clock.
Object Lock and versioning
Compliance modes and retention periods keep every object protected.
No lock-in
Leave whenever you want, no exit fees. Export everything with the standard S3 API.
Up and running in minutes
Generate access keys, point your tools at our endpoint, and start uploading.
Works with your existing stack
S3 API compatible. If it talks to AWS, it talks to us.
The lowest-cost S3 object storage
$4.99/TB, no egress fees, up and running in minutes.
No credit card required