PortKiller

A fast Windows utility to visualize and kill processes blocking specific ports. Built with Tauri, Rust, and Preact.

Screenshots

Features

• Global hotkey (Alt+P) to show/hide overlay
• Live port scanning using Windows API
• Quick kill via port number input
• Common ports grid (3000, 8080, 5000, 5432, 8000, 4200, 5173)
• System tray integration
• Protected system process detection
• Admin elevation support for killing services

Installation

Download the latest installer from Releases:

• PortKiller_x.x.x_x64-setup.exe - NSIS installer (recommended)
• PortKiller_x.x.x_x64_en-US.msi - MSI installer

Or use the portable version with WebView2Loader.dll in the same folder.

Usage

Action	Method
Show/Hide	Press Alt+P or click system tray icon
Kill by port	Type port number, press Enter
Kill from list	Click the Kill button
Hide window	Press Esc
Run as Admin	Click Run as Admin button for elevated privileges

Requirements

• Windows 10/11 (x64)
• Microsoft Edge WebView2 Runtime (auto-installed)

Building from Source

Prerequisites

• Node.js (v18+)
• Rust (stable)
• Tauri CLI

Build

npm install
npm run tauri build

Output will be in src-tauri/target/release/bundle/.

Tech Stack

• Backend: Rust + Tauri
• Frontend: Preact + TypeScript + Tailwind CSS
• Port Detection: netstat2 crate (Windows API)
• Process Management: sysinfo + Windows API

Author

Saqlain Razee

• GitHub: @Razee4315
• LinkedIn: saqlainrazee
• Email: [email protected]

License

MIT