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Duplicati

Free, open-source encrypted backup to cloud or local storage, with an optional console.

Open sourceSelf-hostableCloud storage and file sync services
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About Duplicati

Duplicati is an open-source backup client that encrypts files with AES-256 on your machine and stores incremental, deduplicated backups on almost any destination: S3-compatible storage, Backblaze B2, WebDAV, SFTP, Google Drive, OneDrive, local disks and more. It runs as a background service with a web interface, so it works on desktops, servers and headless machines, and supports schedules, retention rules and email reports. The client is free; Duplicati Inc. also offers a hosted console for managing many machines, with a free tier and paid plans that add alerts, AI analysis and support. It runs on Windows, macOS and Linux. Duplicati has a history of slow restores and occasional database corruption on very large backups, which recent versions have worked on, but it is worth testing restores regularly. It is a good pick for budget-conscious users comfortable with configuration.

Best for: Budget-minded users who want encrypted backups to storage they already pay for.

Pros and cons

What works

  • Free and open source
  • Supports a long list of storage backends
  • Client-side AES-256 encryption

Why people leave

  • Restores can be slow on large backups
  • Local database can need repair
  • Web interface is functional rather than friendly

Top Duplicati alternatives

See all 5
  1. 1Kopia logo
    Kopia

    Faster open-source backup with a polished desktop app.

    66.5
  2. 2restic logo
    restic

    Robust open-source command-line backup with strong deduplication.

    62.6
  3. 3Arq Backup logo
    Arq Backup

    Paid Mac and Windows app with a more refined experience.

    59.6
  4. 4rclone logo
    rclone

    Simple file sync to cloud storage when you do not need versioned backups.

    57.2
  5. 5Backblaze Computer Backup logo
    Backblaze Computer Backup

    Hands-off unlimited backup for a flat fee.

    55.3

Why people left Duplicati

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Duplicati: common questions

Is Duplicati free?

Yes. Duplicati is free, open-source software that you can host yourself.

Is Duplicati open source?

Yes. The source code is on GitHub at duplicati/duplicati. You can also run it on your own server.

What platforms does Duplicati run on?

Duplicati is available for Windows, macOS, Linux and Self-hosted.

What are the best alternatives to Duplicati?

The highest-ranked Duplicati alternatives right now are Kopia, restic and Arq Backup. See the full ranked list for pricing, platforms and verified facts.

See all 5 Duplicati alternatives