HashTool – High-Performance Windows File Hash Verification Tool (MD5 / SHA256)

中文说明

HashTool is a high-performance Windows file hash verification tool built with VB.NET and WPF. It supports MD5 and SHA256 and is designed for batch and parallel file hash calculation, helping users quickly verify file integrity even when processing large numbers of files.

✨ Features

• Supports file hash verification (no text hashing)
• Supports MD5 and SHA256 algorithms
• Supports drag-and-drop file input
• Supports batch file hash calculation
• Supports parallel verification of multiple files, fully utilizing multi-core CPUs to greatly improve performance in large-scale file scenarios
• Automatically matches the number of worker threads based on the system CPU core count
• Allows users to manually adjust thread count for flexible performance and resource control
• Supports exporting verification results for saving and further comparison
• Supports one-click copying of results for quick reuse
• Clean and intuitive WPF-based user interface
• Native Windows desktop application experience

💡 Use Cases

• Verifying file integrity after large downloads
• Batch hash verification for backup files
• Checking file consistency during file distribution
• High-speed hash calculation for large numbers of files

🖼️ Screenshot

🛠️ Tech Stack

• Language: VB.NET
• Framework: WPF (.NET)
• UI: XAML
• Platform: Windows

📂 Project Structure

├── MainWindow.xaml              # Main window UI
├── MainWindow.xaml.vb           # Main window logic
├── HashToolControl.xaml         # Hash tool control UI
├── HashToolControl.xaml.vb      # Hash tool control logic
├── DwmHelper.vb                 # Windows DWM helper
├── NativeMethods.vb             # Win32 API wrappers
└── README.md / README_CN.md     # Project documentation

🚀 Getting Started

1. Clone the repository

git clone https://github.com/luoji12/HashTool.git

2. Open the project in Visual Studio

• Visual Studio 2019 or later is recommended
• Make sure the .NET desktop development workload is installed

3. Build and Run

• Build the solution and run the application
• Add files via file selection or drag-and-drop
• Multiple files can be added at once and will be processed in batch
• All MD5 / SHA256 hashes are calculated in parallel
• The application automatically selects an appropriate thread count based on your CPU, with optional manual adjustment
• Verification results can be exported or copied directly for further use

📌 Requirements

• Windows 10 / 11
• .NET Framework or .NET (as defined by the project)
• Visual Studio (for development)

📖 Possible Enhancements

You may further extend this project by:

• Adding more hash algorithms (SHA1, SHA512, etc.)
• Customizing result export formats (e.g. JSON, extended CSV)
• Automatic result comparison and highlighting
• Dark mode / theme customization
• Multilingual UI support

🤝 Contributing

Contributions are welcome!

• Feel free to open Issues for bug reports or feature requests
• Pull Requests are appreciated

📄 License

This project is licensed under the MIT License.

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If you find this project useful, consider giving it a ⭐ on GitHub!

Keywords: file hash, file verification, MD5, SHA256, Windows hash tool, parallel hash