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Backblaze B2

Hosting & Cloud Free tier (card may be required)

AuthenticationFree tier (card may be required)
Rate limitFree daily allowance: 1 GB download and 2,500 Class B + 2,500 Class C API calls per day.

Documentation: www.backblaze.com ยท Checked Sep 13, 2026

About

Backblaze B2 is low-cost cloud object storage for files, images, backups, and app assets. The first 10 GB are free every month with free daily downloads, and it speaks both its own API and the popular S3 protocol. So most S3 tools and libraries just work. Uploads are always free.

Details

Free tier, but a card may be required to sign up.

Auth: Free tier (card may be required)

Rate limit: Free daily allowance: 1 GB download and 2,500 Class B + 2,500 Class C API calls per day.

Verified: 2026-09-13

Best for: personal

Read the docs Back to catalog

Setup

  1. Sign up at backblaze.com and open B2 Cloud Storage.
  2. Create a bucket (files go inside buckets).
  3. Create an application key under App Keys.
  4. Use the key ID and key with the B2 API, S3-compatible endpoint, or the B2 CLI to upload files.
Sign up