# Czkawka

Czkawka is a fast, free, and open-source Rust application for finding and removing unnecessary files, including duplicates, large files, and empty files. It is open source and self-hosted, installable on Docker Hub and Unraid.

Canonical page: https://ourlocalhost.com/app/840/czkawka

## Description

Czkawka is a fast, free, and open-source Rust application for finding and removing unnecessary files, including duplicates, large files, and empty files. It supports Linux, Windows, and macOS and is available as a desktop app or Docker container, making it well-suited for personal computers and home servers.

## Platform availability

Available on 1 of 9 platforms: Unraid.

## Health score

82/100 (Excellent), based on 5 of 5 factors.
- Maintained: 97 (last commit 38 days ago)
- Popular: 91 (34,142 GitHub stars)
- Easy to install: 35 (1 install platform, install notes, Docker image)
- Light to run: 95 (512 MB minimum RAM, runs on ARM)
- Security check: 76 (no serious findings, CI, tests, OpenSSF Scorecard 4.1/10)

## Links

- Docker Hub: https://hub.docker.com/r/jlesage/czkawka
- Unraid: https://ca.unraid.net/apps/czkawka-1fjto100ehvxsw?q=Czkawka
- GitHub: https://github.com/qarmin/czkawka

## Common questions

### How can I preview duplicate deletions before running Czkawka CLI?

Run the duplicate tool with the dry-run flag, for example czkawka_cli dup -d /path/to/folder -D AEN -Q. This previews which files would be kept and removed before deleting anything.

### Is there an Android frontend for Czkawka?

Yes, Cedinia is an Android touch-friendly GUI frontend for Czkawka Core. The project also lists an Android app as a touch-friendly frontend.

### Will Czkawka version 12.0 receive new binaries?

No, version 12.0 is the last released version and no new binaries will be provided. New and existing users are encouraged to switch to Krokiet.

### Does Czkawka require an internet connection or collect user statistics?

No, Czkawka does not have access to the Internet. It also does not collect user information or statistics.

### Does Czkawka 6.1.0 include JSON export?

Yes, version 6.1.0 added JSON export. The release also included faster caching, added logging, and a better CLI.

## Alternatives

- AllDup: Find and remove duplicate files!
- AntiDupl: AntiDupl.NET can find and display duplicate images in the main graphic formats: JPEG, GIF, TIFF, BMP and PNG.
- CCleaner: Optimizes systems by removing unused files and cleaning registries, speeding up PCs.
- Duplicate Cleaner: Duplicate Cleaner is a tool for finding and removing duplicate files from your computer or network drives; It is intended to be used on use…
- FSlint
- Gemini 2: Duplicate file finder that clears disk space with fast scanning, user-friendly drag-and-drop interface, and Apple's Finder integration.
- SD Maid SE: SD Maid SE (aka SD Maid 2) is a file management tool for Android that specialises in maintenance.
- Tron Script
- VisiPics: VisiPics does more than just look for identical files, it goes beyond checksums to look for similar pictures and does it all with a simple…
- WinDirStat: Disk analysis tool with treemap views, duplicate file detection, and cleanup actions.
- dskDitto
- dupeGuru: DupeGuru is a tool to find duplicate files on your computer.

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Source: Our Local Host (https://ourlocalhost.com/app/840/czkawka), the self-hosted and open-source app directory.