Barcode Printer

A simple, modern Windows application for printing Code128 barcodes to any connected printer. Features a clean GUI with dark/light theme support, real-time barcode preview, and print history tracking.

Features

• Universal Printer Support - Works with any Windows printer (thermal, laser, inkjet)
• Real-time Preview - See your barcode before printing
• Print History - Automatic tracking of all printed barcodes with reprint functionality
• Dark/Light Theme - Modern UI with theme switching
• Batch Printing - Print multiple copies at once
• Barcode Caching - Fast performance with intelligent image caching
• HiDPI Support - Crisp display on high-resolution screens
• Persistent Settings - Remembers your printer selection and window size

Installation

Download the Installer

The easiest way to get started is to download the pre-built installer directly from the Releases page. Run LegacyBarcodePrinter_Setup.exe and follow the prompts — no Python required.

Run from Source

1. Clone this repository:

git clone https://github.com/dannyphamv/barcode-printer.git
cd barcode-printer

2. Install dependencies:

pip install -r requirements.txt

3. Run the application:

python barcode_printer.py

Or create .exe

pyinstaller --onedir --windowed --noconsole --name="LegacyBarcodePrinter" --add-data="package_color.png:." --icon="favicon.ico" --collect-all=PIL --collect-all=barcode --collect-all=sv_ttk --collect-all=pywinstyles --hidden-import=win32print --hidden-import=win32ui --hidden-import=win32con --hidden-import=win32api barcode_printer.py

Usage

1. Select a Printer - Choose your printer from the dropdown menu
2. Enter Barcode - Type or scan a barcode value
3. Preview - The barcode preview updates automatically
4. Set Copies - Choose how many copies to print (default: 1)
5. Print - Click the Print button or press Enter
6. Reprint - Select items from history and click "Reprint Selected"

Technical Details

• Barcode Format: Code128 (supports alphanumeric characters)
• Label Size: 600x300 pixels (automatically scaled to printer)
• GUI Framework: Tkinter with sv-ttk theme
• Printing: Windows GDI via pywin32
• Image Processing: Pillow (PIL)
• Caching: LRU cache with 100-item limit for barcode images

Dependencies

• sv-ttk - Modern theme for Tkinter
• Pillow - Image processing
• python-barcode - Barcode generation
• pywin32 - Windows printing API
• pywinstyles - Windows 10/11 title bar theming
• pyinstaller - Packaging the application as EXE

See requirements.txt for specific versions.

License

This project is licensed under the MIT License - see the LICENSE.txt file for details.