c² flux is an ultra-fast Windows disk space analyzer.

Its high-speed scanning engine reads NTFS metadata directly from the Master File Table (MFT) and uses native Windows NT directory APIs as a fallback, avoiding slower file-by-file access whenever possible. Results are shown in sortable tree, table, pie and bar chart views and can be saved, loaded, exported or copied to the clipboard.

Features

  • Ultra-fast NTFS scanning via direct MFT metadata access
  • Native Windows NT directory API fallback
  • Drive and folder scanning
  • Sortable tree and table views
  • Ultra-Fast search (Explorer-Context menu)
  • Statistics/history
  • Optional SQLite database

Project Samples

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License

GNU General Public License version 3.0 (GPLv3)

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Additional Project Details

Operating Systems

Windows

Programming Language

C#

Related Categories

C# Disk Space Analyzers

Registered

2026-07-25