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Koofr alternatives · File Storage

End-to-end encrypted alternatives to Koofr

The Koofr listing does not describe it as end-to-end encrypted. 11 of the 45 other file storage and sync services in this directory are end-to-end encrypted, according to their own sites.

Koofr has a free plan. Paid plans start at €0.50 per month for 10 GB extra, billed yearly, incl. 22% VAT. 10 of them are free or have a free plan.

11 tools · Listings checked up to Nov 12, 2026 · Where the facts come from

How each one differs from Koofr

  1. Icedrive

    Cloud storage with a mountable drive and client-side encryption

    • Icedrive starts at $2.99 per month, billed yearly at $35.88, for Starter. Koofr starts at €0.50 per month for 10 GB extra, billed yearly, incl. 22% VAT.
    • Only Koofr lists a browser extension.
    • Icedrive is end-to-end encrypted, according to its own site.
    • Icedrive can be bought with a one-time purchase.
    Icedrive vs KoofrIcedrive pricing and details

  2. Filen

    End-to-end encrypted cloud storage from Germany with open source apps

    • Filen starts at €11.99 per year for 100 GiB, or €1.99 per month for 200 GiB. Koofr starts at €0.50 per month for 10 GB extra, billed yearly, incl. 22% VAT.
    • Only Koofr lists a browser extension.
    • Filen is open source and end-to-end encrypted, according to its own site.
    • Filen also covers notes.
    Filen vs KoofrFilen pricing and details

  3. Proton Drive

    End-to-end encrypted cloud storage from the maker of Proton Mail

    • Proton Drive starts at $3.99 per month, billed yearly. Koofr starts at €0.50 per month for 10 GB extra, billed yearly, incl. 22% VAT.
    • Only Koofr lists a Linux app.
    • Only Koofr lists a browser extension.
    • Proton Drive is open source and end-to-end encrypted, according to its own site.
    Proton Drive vs KoofrProton Drive pricing and details

  4. Internxt

    Open source, zero-knowledge cloud storage with lifetime plans

    • Internxt starts at $11.99 per month, billed annually (list price). Koofr starts at €0.50 per month for 10 GB extra, billed yearly, incl. 22% VAT.
    • Only Koofr lists a browser extension.
    • Internxt is open source and end-to-end encrypted, according to its own site.
    • Internxt can be bought with a one-time purchase.
    Internxt vs KoofrInternxt pricing and details

  5. Degoo

    Consumer cloud storage for photos with a free 20 GB plan

    • Degoo starts at $2.99 per month (Pro, 500 GB). Koofr starts at €0.50 per month for 10 GB extra, billed yearly, incl. 22% VAT.
    • Only Koofr lists Windows, macOS and Linux apps.
    • Only Koofr lists a browser extension.
    • Degoo is end-to-end encrypted, according to its own site.
    Degoo vs KoofrDegoo pricing and details

  6. MEGA

    Zero-knowledge encrypted cloud storage with a 20 GB free plan

    • MEGA starts at €3.33 per month, charged yearly. Koofr starts at €0.50 per month for 10 GB extra, billed yearly, incl. 22% VAT.
    • MEGA is end-to-end encrypted, according to its own site.
    • MEGA also covers video calls.
    MEGA pricing and details

  7. Sync.com

    End-to-end encrypted cloud storage and file sharing for teams

    • Sync.com starts at $6 per user / month, billed annually (3-user minimum). Koofr starts at €0.50 per month for 10 GB extra, billed yearly, incl. 22% VAT.
    • Only Koofr lists a Linux app.
    • Only Koofr lists a browser extension.
    • Sync.com is end-to-end encrypted, according to its own site.
    Sync.com pricing and details

  8. Tresorit

    End-to-end encrypted file storage and sharing for businesses

    • Tresorit starts at $4.75 per month, billed yearly. Koofr starts at €0.50 per month for 10 GB extra, billed yearly, incl. 22% VAT.
    • Only Koofr lists a browser extension.
    • Tresorit is end-to-end encrypted, according to its own site.
    Tresorit pricing and details

  9. Nordlocker

    End-to-end encrypted cloud storage from the makers of NordVPN

    • Nordlocker starts at $29.99 per month, billed annually (Business, 2 TB). Koofr starts at €0.50 per month for 10 GB extra, billed yearly, incl. 22% VAT.
    • Only Koofr lists macOS and Linux apps.
    • Only Koofr lists a browser extension.
    • Nordlocker is end-to-end encrypted, according to its own site.
    Nordlocker pricing and details

  10. Filemail

    Large file transfer by email or link, free up to 5 GB

    • Filemail starts at $6 per month, billed monthly. Koofr starts at €0.50 per month for 10 GB extra, billed yearly, incl. 22% VAT.
    • Only Koofr lists a browser extension.
    • Filemail is end-to-end encrypted, according to its own site.
    • Koofr also covers file sync.
    Filemail pricing and details

  11. Synology C2

    Synology's cloud storage and backup for NAS and S3 workloads

    • Synology C2 starts at $7.99 per TB / month (C2 Object Storage). Koofr starts at €0.50 per month for 10 GB extra, billed yearly, incl. 22% VAT.
    • Koofr has a free plan. Synology C2 does not, though it has a free trial.
    • Only Koofr lists iOS and Android apps.
    • Only Koofr lists a browser extension.
    Synology C2 pricing and details

Common questions

Is there an end-to-end encrypted alternative to Koofr?

Yes. Icedrive, Filen, Proton Drive, Internxt, Degoo, MEGA, Sync.com, Tresorit and 3 more are end-to-end encrypted, according to their own sites.

Is Koofr end-to-end encrypted?

The Koofr listing does not describe it as end-to-end encrypted. The listing was checked on Oct 5, 2026 against the pages it cites.

Which of these file storage and sync services are free?

Icedrive, Filen, Proton Drive, Internxt, Degoo, MEGA, Sync.com, Tresorit and 2 more are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 12, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Koofr: the alternatives its listing names first, then the tools that share the most features with it.