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File Storage · head to head

Duplicati vs PeaZip

Duplicati logo

Duplicati

File Storage

Free open-source backup with encryption

From
Free
Rated
-
Full reviewWebsite
PeaZip logo

PeaZip

Utilities

Open-source archive manager for Windows and Linux supporting more than two hundred formats

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Duplicati no managed service or commercial support; PeaZip there is no supported macOS build, so any organisation with Mac users has to standardise on something else or maintain two tools.
  • They diverge on capability: Duplicati covers AES-256 encryption, PeaZip covers Wide format support.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Duplicati and PeaZip actually diverge.

Attributes where Duplicati and PeaZip differ
AttributeDuplicatiPeaZip
Pricing modelUnknownOpen source, no licence fee
PlatformsWindows, macOS, LinuxWindows, Linux, BSD
CategoryFile StorageUtilities
Founded2008Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Duplicati

  • AES-256 encryption
  • Incremental backup
  • Deduplication
  • Multiple cloud backends
  • Compression
  • Web interface
  • AWS S3
  • Azure

Only in PeaZip

  • Wide format support
  • Strong encryption
  • Secure delete
  • Checksums and hashes
  • Split and join
  • Portable builds

What people use each for

The jobs each tool is most often brought in to do.

Duplicati

  • Data protectionnot PeaZip
  • Disaster recoverynot PeaZip
  • Business continuitynot PeaZip
  • Ransomware protectionnot PeaZip
  • Compliancenot PeaZip

PeaZip

  • Opening old or unusual archive formats that current tools refusenot Duplicati
  • Sending encrypted archives outside the organisation with a keyfile as well as a passwordnot Duplicati
  • Deploying one archiver across Windows and Linux desktops with the same interface and behaviournot Duplicati
  • Running from a USB stick on machines where software cannot be installednot Duplicati

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Duplicati

  • No managed service or commercial support
  • Relies on community support
  • No enterprise features

PeaZip

  • There is no supported macOS build, so any organisation with Mac users has to standardise on something else or maintain two tools.
  • It is effectively a single-maintainer project, and for software deployed to every desktop in a company that concentration of risk deserves an explicit decision.
  • The interface exposes a great many options at once and looks dated next to the system archiver, which generates support questions from non-technical users.
  • Bundled backend binaries sometimes trigger antivirus heuristics on managed Windows fleets, so deployment usually needs an allowlist entry prepared in advance.
  • Its own PEA and ARC formats are not readable by other tools, so using them for anything you send externally creates a dependency for the recipient.

Pricing, plan by plan

Duplicati

Free

No published plan breakdown. See the Duplicati review.

PeaZip

Free
  • PeaZipFree
    • LGPLv3 licensed
    • Commercial use permitted
    • All formats and encryption features included

Which should you pick?

Choose Duplicati if

  • You need aes-256 encryption.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want incremental backup.
Duplicati review

Choose PeaZip if

  • You need wide format support.
  • You want to start without paying.
  • You work on Windows, Linux, BSD.
  • You also want strong encryption.
PeaZip review

Questions people ask

Is Duplicati or PeaZip better?
Neither clearly leads. Duplicati starts at Free and PeaZip at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Duplicati or PeaZip?
Duplicati starts at Free and PeaZip at Free.
Does Duplicati or PeaZip run on more platforms?
Duplicati runs on Windows, macOS, Linux. PeaZip runs on Windows, Linux, BSD.
Can I use Duplicati for free?
Both have a free tier, so you can try either at no cost before committing.
What is Duplicati best used for?
Duplicati is most often used for data protection, disaster recovery, business continuity, ransomware protection. Of those, data protection and disaster recovery are not what PeaZip is typically brought in for.
What can Duplicati do that PeaZip cannot?
Duplicati covers AES-256 encryption, Incremental backup, Deduplication, Multiple cloud backends. PeaZip covers Wide format support, Strong encryption, Secure delete, Checksums and hashes.

Answered from the vendors’ own pages

Duplicati: Is Duplicati free?

Yes. Duplicati is completely free and open-source under the LGPL license. There are no premium tiers, trials, or limitations.

Source
PeaZip: Is PeaZip free for business use?

Yes. It is LGPLv3 licensed with no personal-use restriction and no paid edition.

Duplicati: What does Duplicati support?

Duplicati supports zero-trust, fully encrypted backups to local storage, network drives, and cloud services. It includes deduplication and incremental backups.

Source
PeaZip: Does it work on macOS?

No supported build is offered. Mac users need a different archiver.

Duplicati: What are the platforms?

Duplicati runs on Windows, macOS, and Linux. It can back up data to local storage, network drives, or cloud providers.

Source
PeaZip: How does it differ from 7-Zip?

It uses similar backends but adds far wider format support, a password manager, keyfile two-factor encryption, secure deletion and a graphical front end that also runs on Linux.

PeaZip: Should I use the PEA format?

Only for your own storage. Nothing else reads it, so anything sent to another party should be 7z or ZIP with AES-256.

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