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Backblaze B2 from a native Mac app

B2’s S3-compatible endpoint works out of the box. Choose the preset, paste an application key, and your buckets show up as folders.

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Backblaze B2 is a favourite for cheap, durable backup storage. DockBird uses its S3-compatible API, which means the same multipart uploads, prefix folders and bucket browsing as any other S3 service.

The Backblaze B2 tile pre-fills the endpoint pattern https://s3.<region>.backblazeb2.com. Create an application key in the Backblaze console (S3-compatible keys need the key ID and application key it shows once), pick the region shown on your bucket, and connect.

Because DockBird skips files with the same size that are not older when you ask it to, re-uploading a folder to B2 only sends what changed.

How to connect

  1. Press ⌘N or click the plus next to Servers in the sidebar.
  2. Choose the Backblaze B2 tile.
  3. Fill in: Name · Bucket (leave empty to browse all buckets) · Region · Endpoint · Access key ID · Secret access key · Initial prefix.
  4. Click Save, then double-click the server. Approve the host key or certificate prompt if one appears.

Backblaze B2 questions

Which endpoint do I use for B2?

The one shown on your bucket’s details page in the Backblaze console, in the form s3.<region>.backblazeb2.com. The preset shows the pattern.

Do B2 buckets need path-style addressing?

No, the default virtual-hosted style works.

Other connections

Try DockBird with your Backblaze B2 server.

Download DockBird, connect to a server, and try every feature free for 7 days.

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macOS 15 Sequoia or later. Apple silicon and Intel.