Migrate data from Amazon to Backblaze B2 Cloud Storage. Read more.Purple Right Arrow Icon


Backblaze B2 Cloud Storage is a cloud service for storing files in the cloud. Files are available for download at any time, either through APIs or a browser-compatible URL.

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Backblaze B2 is simple, reliable, affordable object storage. Each account gets 10 GB of free storage, unlimited free uploads, and 1 GB of free downloads each day. There are no hidden fees. See the Pricing page for details.

To use B2 Cloud Storage, you need to have a Backblaze account. You may create an account by signing up at After enabling Backblaze B2 for your account, you will have access to your Application Key Id and Application Key that let you call the APIs.

Backblaze supports two different suites of APIs: B2 Native and S3 Compatible. Take a look at the Backblaze B2 Native Quick Start Guide and Getting Started with the S3 Compatible API to get started right away.

Using the Backblaze APIs, you can:

  • Upload, download, and delete files
  • Create and manage the buckets that hold files
  • Manage the configuration of your account*

* Backblaze B2 Native APIs only