Free cloud storage to protect your files

The best free cloud storage available

Proton Drive is developed by the scientists and researchers behind Proton, the world's leading privacy and security company. Our free cloud storage is the only one that is:

  • End-to-end encrypted
  • Ad-free & free forever
  • Open source and audited
  • Protected by Swiss privacy laws
  • Free end-to-end encrypted cloud

    All files on Proton Drive are protected with end-to-end encryption, regardless of whether you have a free or paid plan. End-to-end encryption means that nobody, not even us, can decrypt the files that you upload, guaranteeing the privacy of your files and documents.

    Upgrade to a paid plan to get access to

    200GB to 3TB Storage
    Unlimited file sharing
    Unlimited file sizes

    Our free cloud storage is supported by paying users. If you would like to support our mission, please consider upgrading.

    Why we offer cloud storage for free

    Proton’s mission is to build a better internet where privacy is available for all, and providing free services is part of our mission. Proton Drive free has all security and privacy features, without catches. The service is free forever, with no ads.

  • End-to-end encryption
  • Basic file sharing
  • 1 GB storage
  • Free file sharing

    Share large files securely for free via encrypted links that can be generated in one click. Additional features such as password protection, expiry dates and easy-revoke deliver maximum control over shared-links.

    Access files from anywhere

    Files sync automatically across devices so you can access stored files from your desktop, mobile or any web browser. With Proton Drive access your files securely from anywhere, anytime.

    Free file backup

    Unlike with SSD and other local storage, your files are automatically backed up to the cloud when you store them on Proton Drive. This means your files are safe and accessible even when your hardware malfunctions.
    Swiss Flag

    Swiss data protection for free

    Unlike other cloud storage services, your files and data are protected from government surveillance by Swiss data privacy laws which are the strictest in the world.

    Free hosting on own servers

    Your files are hosted on servers that are owned and operated by Proton. This makes us a more secure cloud storage service when compared to services that use third party hosting such as Amazon Web Services or Microsoft Azure.

    Free storage that’s easy to use

    Proton Drive delivers rigorous end-to-end encryption and security without compromising on great design or ease of use. Your free account comes loaded with features that make it remarkably easy to store, share and sync your files safely and securely.
    Proton drive

    Protect your files with Proton Drive


  • End-to-end encrypted
  • Secure file sharing
  • Open source & independently audited
  • Swiss data privacy
  • Hosted on own servers
  • Frequently Asked Questions