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SPECIFICTION
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PrivateStorage

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Spec score 7.8 #22 of 30 in Secure Cloud Storage

Spec sheet

Purpose
PrivateStorage is an open-source cloud storage service for uploading and syncing folders.Read 8 Oct 2026 · private.storage
Intended users
The FAQ describes PrivateStorage as intended for individuals seeking added storage security and privacy features.Read 8 Oct 2026 · private.storage
Support
The About page lists support by email at [email protected] and by Signal at +1 724 200 8340.Read 8 Oct 2026 · private.storage
Headquarters
Cranberry Township, Pennsylvania, United StatesRead 28 Sep 2026 · private.storage
Founded
2022Read 28 Sep 2026 · private.storage
Accountless access
Users do not create accounts; stored data is accessed using locally stored capability codes.Read 8 Oct 2026 · private.storage
Client-side encryption
The desktop app encrypts folders on the device before they are uploaded, and only the user has the keys to read them.Read 8 Oct 2026 · private.storage
Company history
The About page says PrivateStorage evolved from S4 and is now owned 100% by Least Authority.Read 8 Oct 2026 · private.storage
Company location
The privacy notice names PrivateStorage.io Inc. as data controller and gives its address as Cranberry Township, Pennsylvania, USA.Read 8 Oct 2026 · private.storage
Distributed storage
The service splits data into encrypted pieces, stores them across multiple grid servers, and creates extra pieces to help recover data if a server is unavailable.Read 8 Oct 2026 · private.storage
Folder syncing
The app syncs folders from a computer while it is open, reflecting local folder changes in the cloud.Read 8 Oct 2026 · private.storage
Integrations and components
The service uses Tahoe-LAFS for decentralized storage, Gridsync for its interface, Magic Folder for syncing, and ZKAPs for payment authorization.Read 8 Oct 2026 · private.storage
Payment
Storage-time is purchased in $6.50 increments for approximately 30 GB-months, and the FAQ says payments are supported by Stripe.Read 8 Oct 2026 · private.storage
Recovery
A Recovery Key can restore access on another device, and PrivateStorage says it cannot recover files if the key is lost.Read 8 Oct 2026 · private.storage
Security audit
The FAQ states that Tahoe-LAFS was audited by Cure53 in 2021.Read 8 Oct 2026 · private.storage
Supported platforms
The FAQ lists desktop applications for macOS, Windows, and Linux.Read 8 Oct 2026 · private.storage
Usage limits
The FAQ says users can add folders but not individual files, and it states that sharing is not currently available.Read 8 Oct 2026 · private.storage

Plans and prices

Storage-time $6.50, paid once $6.50 buys 30 GB-months of storage 30 GB-months per purchase · usage depends on storage used over time Read 8 Oct 2026 · private.storage

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