Text File Cleaner

A C# Windows Forms utility to batch process text files and remove duplicate lines.

Features

• Bulk Processing: Select a root folder to recursively scan all .txt files.
• Duplicate Removal: Identifies and removes duplicate lines within each file (case-insensitive).
• Flexible Output:
  • Overwrite original files.
  • Create new _cleaned versions.
• Progress Tracking: Visual progress bar and status updates during processing.

Requirements

• .NET Framework 4.7.2+
• Windows OS

Usage

1. Build and run the application.
2. Click Select Folder to choose the directory containing your text files.
3. Toggle Overwrite Original Files as needed.
4. Click Clean Files to start.