A modern, client-side barcode scanner and generator built with Blazor WebAssembly.
All processing happens locally in your browser - no data is ever sent to a server.
Application is available via GithubPages.
- Upload images to scan for barcodes (supports drag & drop)
- Detects multiple barcodes in a single image
- Displays detailed metadata: content, format, dimension (1D/2D), raw bytes
- GS1 standard detection
- Supports SVG and raster image formats
- Generate 20+ barcode formats including QR Code, DataMatrix, EAN-13, Code 128, and more
- Customizable options: size, margins, error correction levels
- GS1 standard support for compatible formats
- Download as PNG or SVG
- Real-time preview
- .NET 10 SDK or later
# Clone the repository
git clone https://github.com/gbastecki/BarcodeTool.git
cd BarcodeTool
# Run the application
dotnet run --project BarcodeTool
# Or build for production
dotnet publish -c Release- Blazor WebAssembly - Client-side web framework
- SkiaSharp - Cross-platform 2D graphics library
- ZXing.Net - Barcode reading and writing library
- Svg.Skia - SVG rendering with SkiaSharp
- BlazorMvvm - MVVM framework for Blazor
CODE_39, CODE_93, CODE_128, EAN_8, EAN_13, UPC_A, UPC_E, ITF, CODABAR, MSI, PLESSEY
QR_CODE, DATA_MATRIX, AZTEC, PDF_417
This project is licensed under the MIT license - see the LICENSE file for details.
This project uses several open-source libraries. See the NOTICE file for attribution information.
| Library | License |
|---|---|
| BlazorMvvm | MIT |
| Microsoft.AspNetCore.Components.WebAssembly | MIT |
| SkiaSharp | MIT |
| Svg.Skia | MIT |
| ZXing.Net | Apache 2.0 |
| ZXing.Net.Bindings.SkiaSharp | Apache 2.0 |
BarcodeTool runs entirely in your browser.
No barcode data, uploaded images, or generated barcodes are ever transmitted to any server.
Your data stays on your device.