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Backup · head to head

Clonezilla vs K3s

Clonezilla logo

Clonezilla

Backup

Free disk cloning and imaging solution

From
Free
Rated
-
Full reviewWebsite
K3s logo

K3s

Cloud

Lightweight certified Kubernetes distribution in a single binary

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Clonezilla the destination partition must be equal to or larger than the source partition; K3s the SQLite default is single-server only; highly available control planes need etcd or an external datastore, which removes much of the simplicity
  • They diverge on capability: Clonezilla covers Disk/partition imaging, K3s covers Single binary.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Clonezilla and K3s actually diverge.

Attributes where Clonezilla and K3s differ
AttributeClonezillaK3s
Pricing modelfreeOpen source, no licence fee
PlatformsLinux, WindowsLinux, ARM, Self-hosted
CategoryBackupCloud
Founded2004Unknown

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 Clonezilla

  • Disk/partition imaging
  • Disk cloning
  • Multicast deployment
  • Multiple file systems
  • Encryption support
  • Unattended mode
  • PXE boot
  • DRBL

Only in K3s

  • Single binary
  • SQLite by default
  • Certified conformant
  • Batteries included
  • Low resource footprint
  • Simple install

What people use each for

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

Clonezilla

  • System backup and cloningnot K3s
  • Disk imaging and restorationnot K3s
  • Mass deployment scenariosnot K3s
  • Enterprise-scale cloning operationsnot K3s

K3s

  • Kubernetes on edge sites and IoT hardware where full clusters will not fitnot Clonezilla
  • Development and CI clusters that must start fast and cost nothingnot Clonezilla
  • Small production clusters where full Kubernetes is more operations than the workload justifiesnot Clonezilla
  • Teaching and learning Kubernetes without cloud spendnot Clonezilla

Where each one falls short

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

Clonezilla

  • The destination partition must be equal to or larger than the source partition
  • Differential and incremental backup is not implemented
  • Online imaging and cloning is not implemented; the partition being imaged or cloned has to be unmounted first
  • The image format cannot be explored or mounted, so a single file cannot be recovered from an image
  • Recovery media spanning multiple CDs or DVDs is not implemented; the recovery ISO must fit on one disc
  • Clonezilla SE requires a DRBL server to be prepared in advance and the target machine to boot from the network
  • Runs only on x86 or x86-64 processors and needs at least 196 MB of RAM

K3s

  • The SQLite default is single-server only; highly available control planes need etcd or an external datastore, which removes much of the simplicity
  • Bundled components such as Traefik are opinionated defaults that larger teams often strip out and replace
  • Removed in-tree cloud provider integrations mean cloud-specific features need external controllers
  • Aimed at small and edge clusters, so very large deployments are better served by a standard distribution

Pricing, plan by plan

Clonezilla

Free
  • FreeFree
    • Disk cloning
    • Multicast
    • Multiple file systems

K3s

Free
  • K3sFree
    • Full functionality
    • No usage limits
    • Community support

Which should you pick?

Choose Clonezilla if

  • You need disk/partition imaging.
  • You want to start without paying.
  • You work on Linux, Windows.
  • You also want disk cloning.
Clonezilla review

Choose K3s if

  • You need single binary.
  • You want to start without paying.
  • You work on Linux, ARM, Self-hosted.
  • You also want sqlite by default.
K3s review

Questions people ask

Is Clonezilla or K3s better?
Neither clearly leads. Clonezilla starts at Free and K3s at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Clonezilla or K3s?
Clonezilla starts at Free and K3s at Free.
Does Clonezilla or K3s run on more platforms?
Clonezilla runs on Linux, Windows. K3s runs on Linux, ARM, Self-hosted.
Can I use Clonezilla for free?
Both have a free tier, so you can try either at no cost before committing.
What is Clonezilla best used for?
Clonezilla is most often used for system backup and cloning, disk imaging and restoration, mass deployment scenarios, enterprise-scale cloning operations. Of those, system backup and cloning and disk imaging and restoration are not what K3s is typically brought in for.
What can Clonezilla do that K3s cannot?
Clonezilla covers Disk/partition imaging, Disk cloning, Multicast deployment, Multiple file systems. K3s covers Single binary, SQLite by default, Certified conformant, Batteries included.

Answered from the vendors’ own pages

Clonezilla: Is Clonezilla free?

Yes, Clonezilla is completely free and open-source software licensed under GNU General Public License version 2. There are no paid versions, premium features, or subscription costs.

Source
K3s: Is K3s free?

Yes. K3s is open source with no licence fee. SUSE sells commercial support around Rancher separately.

Clonezilla: What Clonezilla editions are available at no cost?

All three editions are free: Clonezilla Live for individual machine backups, Clonezilla Lite Server for mass deployment, and Clonezilla SE for large-scale enterprise cloning operations.

Source
K3s: Is K3s real Kubernetes?

Yes. It is CNCF-certified conformant, so standard manifests, kubectl and Helm charts work without modification.

Clonezilla: Can I use Clonezilla commercially?

Yes, Clonezilla's GPL v2 license allows free commercial use. The software is open-source and requires no licensing fees for any deployment scenario.

K3s: Why is K3s smaller than Kubernetes?

It strips legacy, alpha and in-tree cloud provider code, packages everything as one binary, and defaults to SQLite instead of etcd.

K3s: Can K3s run in production?

Yes, and it does, particularly at the edge and for small clusters. For a highly available control plane you need to move off the SQLite default to etcd or an external datastore.

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