Storsum

Connect the storage you already have

Each account you connect adds its free space to your drive. Connect several of the same provider if you have them. Everything is done from the Storage page in the app.

Google Drive

15 GB

Shared with Gmail and Google Photos.

  • Connects when you sign in with Google, or from Storage.
  • Files go into a storsum folder in your Drive, and your Storsum folders are mirrored there.
  • Import from Drive shows what you already keep in Drive, and Sync picks up changes made there.

Box

10 GB

Box’s free plan takes files up to 250 MB each.

  • Connect by signing in to Box from Storage.
  • Files go into a storsum folder in your Box.

pCloud

Up to 10 GB

US and EU accounts both work.

  • Connect by signing in to pCloud from Storage.
  • Storsum finds which of pCloud’s regions your account is in.

Koofr

10 GB

A European provider with a generous free plan.

  • Connect with your Koofr email and an app password you make in Koofr’s settings.
  • Files go into a storsum folder.

Cloudflare R2

10 GB

No charge for downloads.

  • Connect with your Cloudflare account ID, an access key and a bucket.
  • Set how much of the bucket Storsum may fill.

Backblaze B2

10 GB

Simple object storage.

  • Connect with a key ID, an application key and a bucket.
  • Set how much of the bucket Storsum may fill.

Any S3-compatible bucket

You decide

Amazon S3, MinIO, Wasabi and others.

  • Connect with the endpoint, region, bucket and an access key.
  • Set how much of the bucket Storsum may fill.

Free plans are the providers’ own, and they can change them. Storsum shows the space each account really has, as the provider reports it.

Start with the space you already have.

Sign up in your browser, connect your accounts, and get the apps for your computer and phone.

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