Best Self Hosted Alternatives to TreeSize Professional

Czkawka is a cross-platform desktop utility written in Rust that finds duplicates, cleans junk, and helps reclaim disk space. It offers both GUI and CLI interfaces and bundles multiple file-management tools in one app.

Key Features

• Written in memory-safe Rust with multithreading for speed and reliability
• Cross-platform: Linux, Windows, macOS, and more
• GUI frontends (GTK4 and Slint) and a CLI frontend, plus a core library for reuse
• Multiple tools: Duplicates, Empty Folders, Big Files, Empty Files, Temporary Files, Similar Images, Similar Videos, Same Music, Invalid Symlinks, Broken Files, Bad Extensions
• Exif Remover and Video Optimizer available (experimental features)
• No data collection or internet access; respects user privacy
• Cache support to speed up subsequent scans
• Multilingual with active development and translations

Use Cases

• Free up disk space by removing duplicates and large files
• Clean temporary and junk files to improve system performance
• Audit directories for empty or invalid files and broken links

Limitations and Considerations

• Not listing any service-hosted dependencies or online features; purely local file analysis (no internet access) and experimental tools

Conclusion

Czkawka provides a fast, open-source collection of local-file cleanup and de-duplication tools in a single application. It targets users who want privacy-focused, offline disk-management capabilities with both GUI and CLI access.