Software · Utilities & files

Czkawka

Multi functional app to find duplicates, empty folders, similar images, broken files etc.

Completely free
Windows and Linux
Open source
No account

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by Flathub, Winget (Windows Package Manager)
License: MIT — Open source (permissive)confirmed by Flathub, Winget (Windows Package Manager)
Open source: Yes
Commercial use: Yesconfirmed by Flathub, Winget (Windows Package Manager)
Account required: Noconfirmed by Winget (Windows Package Manager)
Credit card required: Noconfirmed by Flathub, Winget (Windows Package Manager)
Watermark: Not applicable
Ads: not documented
Platforms: Windows and LinuxEstablished by Linux: Flathub · Windows: Winget
Publisher: Rafał Mikrut
Latest version: 10.0.0 (18 August 2025)
Latest activity: 3 February 2026
Source code: github.com/qarmin/czkawka

At a glance

All of Czkawka is free: no feature is locked behind a paid plan, and its code is open.

Its licence (MIT) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

Open source code
No account needed
Commercial use allowed

About

Czkawka is simple, fast and easy to use app to remove unnecessary files from your computer.

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) — 10 November 2026
Facts collected from Winget (Windows Package Manager) (credit card, account, source code, publisher, licence, free status, platforms, commercial use, version) — 9 November 2026
Facts collected from Wikidata (platforms) — 5 November 2026
Last technical check: 5 November 2026
Description from Flathub — AppStream (Flathub)

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