Secure, encrypted backups to cloud storage and remote servers
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19 reviews trackedThe Bottom Line
Entry price
Free, no paid tier
Biggest pro
Free and open source
Biggest con
Complex setup
TL;DR - Duplicati
- Free open-source encrypted backup software
- Supports 20+ cloud storage providers
- Incremental backups with scheduling
Pricing: Free forever
Best for: Individuals & startups
3.9/5 across review platforms
What is Duplicati?
Duplicati is free, open-source backup software that stores encrypted backups to cloud storage and remote servers. Back up to Amazon S3, Google Drive, OneDrive, Backblaze B2, SFTP, and more. Features include AES-256 encryption, deduplication, incremental backups, and scheduling. Cross-platform support for Windows, macOS, and Linux. Duplicati is completely free with no premium tiers - a powerful backup solution for home users and businesses.
Available on: Web, Windows, macOS, Linux
Pros & Cons
Pros
- Free and open source
- Many storage backends
- Strong encryption
Cons
- Complex setup
- Occasional bugs
Ratings Across the Web
3.9(19 reviews)
Ratings aggregated from independent review platforms. Learn more
Key Features
Free backupOpen sourceEncryptionCloud supportIncremental backupCross-platform
Pricing Plans
Pricing checked Jun 14, 2026
Free
Free
- Open source MIT license
- AES-256 encryption
- Incremental backups
- Works with 20+ cloud services
- Windows, macOS, Linux
Reviews
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3.9/5
Across 19 verified user reviews on G2, SourceForge
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Duplicati FAQ
How does Duplicati ensure the security of backed-up data?
Duplicati secures data using AES-256 encryption, ensuring that backups stored in the cloud or on remote servers are protected. This strong encryption is applied before data leaves your system, maintaining privacy and security.
Which cloud storage providers can Duplicati back up to?
Duplicati supports a wide range of cloud storage providers, including Amazon S3, Google Drive, OneDrive, and Backblaze B2. It also allows backups to remote servers via SFTP and other protocols.
What kind of user benefits most from Duplicati?
Duplicati is ideal for home users and businesses seeking a powerful, free, and open-source backup solution. It particularly suits those who need strong encryption and flexibility in choosing their storage backend.
How is Duplicati priced?
Duplicati is completely free to use, as it is open-source software. There are no premium tiers or hidden costs, making it a cost-effective solution for data backup.
Can Duplicati perform incremental backups?
Yes, Duplicati supports incremental backups, which means it only backs up changes made since the last full backup. This feature, combined with deduplication, helps optimize storage space and backup times.
What are the trade-offs when choosing Duplicati for data backup?
While powerful, Duplicati can have a complex setup process, which might require some technical understanding. Users may also encounter occasional bugs, as is common with open-source software.
How does Duplicati compare to Sync.com for cloud backup?
Duplicati is a free, open-source solution offering strong encryption and flexibility with many storage backends, whereas Sync.com typically provides a bundled cloud storage service with its own client. Duplicati requires users to provide their own cloud storage accounts.
Source: duplicati.com