barKoder Barcode Scanner SDK supports native mobile, browser, desktop, server and cross-platform application development. Choose the integration that matches your technology stack and deployment requirements.
Each platform SDK ships the same barKoder decoder in the form your stack expects: a Gradle module, an xcframework, an npm package, native libraries, a Python package or a NuGet package. Here is what you get on each one, how it is delivered and what it needs.
The framework plugins wrap the Android and iOS SDKs above, so the same decoder runs inside your Flutter, React Native, .NET MAUI, Capacitor, Cordova or NativeScript app.
Compare the cross-platform barcode scanner plugins →Start from where the barcode is captured and who runs the code: a phone in someone's hand, a browser tab, or a process on a PC or server.
| Approach | Choose it when | Input | What you ship |
|---|---|---|---|
| Native mobile Android, iOS |
Your app is written in Kotlin, Java or Swift, and you want direct control of the camera view, decoder settings and result handling. | Live device camera | Your app with the SDK inside |
| Web WebAssembly |
Users scan inside a web app or PWA on laptops, tablets and phones, and shouldn't have to install anything. | Browser camera | A web app served over HTTPS |
| Cross-platform Framework plugins |
One codebase in Flutter, React Native, .NET MAUI, Capacitor, Cordova or NativeScript ships to Android and iOS. | Device camera through the native SDKs | A plugin from pub.dev, npm or NuGet |
| Desktop and server Windows, Linux, Python, C# |
You decode images from files, scanners, fixed cameras or upload pipelines, in kiosks, POS stations, back-office tools or batch jobs. | Image files, pixel buffers, camera frames | A library loaded by your C, C++, C# or Python process |
Most barKoder apps run on Android, followed by iOS and the web. Desktop and server deployments are fewer, but they typically decode far more images per installation than a phone does.
On a server there is no camera preview. Your code loads an image, the SDK decodes every barcode it finds, and you store or route the results. The Linux, Windows, Python and C# SDKs all work this way and decode locally.
From the barkoder-python-sdk README. Loop over your files to turn it into a batch job.
from Barkoder import BarkoderSDK
import json
import numpy as np
import cv2 as cv
version = BarkoderSDK.getLibVersion();
print("SDK version: ", version)
status = BarkoderSDK.initialize("LICENSE_KEY");
print("SDK status: ", status)
#---------------configure the SDK--------------
QR = BarkoderSDK.constants["Decoders"]["QR"];
PDF417 = BarkoderSDK.constants["Decoders"]["PDF417"];
#set desired decoders
decoders = [QR, PDF417];
BarkoderSDK.setEnabledDecoders(decoders);
#set desired decodingSpeed
decodingSpeed = BarkoderSDK.constants["DecodingSpeed"]["Normal"];
BarkoderSDK.setDecodingSpeed(decodingSpeed);
#set desired ROI
BarkoderSDK.setRegionOfInterest(0, 0, 100, 100);
#set desired DPM mode
BarkoderSDK.setDatamatrixDpmModeEnabled(False);
#---------------configure the SDK--------------
#---------------read and scan an image---------
img = cv.imread('qr.bmp', cv.IMREAD_GRAYSCALE)
assert img is not None, "file could not be read, check with os.path.exists()"
height, width = img.shape[:2]
result_json = BarkoderSDK.decodeImage(img, width, height)
#---------------read and scan an image---------
#---------------handle the result--------------
result = json.loads(result_json)
print("resultsCount: ", result["resultsCount"])
# the result is a Python dictionary:
if result["resultsCount"] == 1:
print(result["barcodeTypeName"])
print(result["textualData"])
elif result["resultsCount"] > 1:
for res in result["results"]:
print(res["barcodeTypeName"])
print(res["textualData"])
print("---------------------------")
else:
print("No barcode found.")
#---------------handle the result--------------Two teams chose the Web SDK so their users don't install an app. A third runs the same scanning on Android and in a web portal.
Verified credentials
Certified information security management built around internationally recognized controls.
Official Solution Provider supporting standards-based barcode and data-capture workflows.
Solution Provider listing covering barcode, mobile application and 2D barcode capabilities.
Discover the barKoder Web SDK listing and connect through Microsoft Marketplace.
Registered Independent Software Vendor in Zebra's PartnerConnect ecosystem.
Install the free barKoder demo app, or open the web demo, and scan your own barcodes before you integrate the SDK.
iPhone and iPad
Scan with your camera, or point it at the QR code to open the App Store.
Android phones and tablets
Scan with your camera, or point it at the QR code to open Google Play.
Any modern browser
Runs the Web SDK in your browser, on desktop or mobile, with nothing to install.
Test with known samples. Print or display the testing sheet and scan each 1D and 2D barcode with the demo app. The data sheet summarizes the SDK for your team.
Native SDKs cover Android, iOS, the web through WebAssembly, Windows, Linux, Python and C#. Plugins for Flutter, React Native, .NET MAUI, Capacitor, Cordova and NativeScript build on the Android and iOS SDKs. All of them use the same decoding engine.
Yes. The C# Barcode Scanner SDK targets .NET 6.0 or newer on Windows 10 or newer and Windows Server 2019+, and ships as a NuGet package you install from a local repository. Build it for x64 or ARM64; the Lite package without MRZ also runs on x86. If you are building a cross-platform UI app in C#, the .NET MAUI Barcode Scanner SDK is the better fit.
Yes. Use the Linux SDK (C++), the Python SDK or the C# SDK to decode images your backend receives, such as uploads, scans or camera frames. Decoding runs in your own process. Server deployment is licensed on custom terms, so request a quote with your expected volume.
Python 3.11 or newer. The documentation targets 64-bit Linux with Ubuntu 22.04 or newer recommended, and the barkoder-python-sdk README on GitHub also describes Windows 10/11 and macOS 11+ packages. The SDK needs opencv-python and numpy. Contact barKoder if you need an older Python version.
Yes. The Linux SDK supports x86_64 and ARM64, so it runs on servers as well as embedded control units and industrial kiosks. It reads from webcams, industrial cameras, image files and pixel buffers. See the Linux installation guide for the required system libraries.
The Web SDK scans with the device camera inside the browser, so users install nothing. It needs HTTPS and a browser with WebAssembly support, such as Chrome 67+, Firefox 69+, Edge 79+ or Safari 14+. Choose a native or framework SDK when scanning is part of an app you already ship through the app stores.
The decoder and barcode types are shared. Some features depend on the environment: AR Mode needs a live camera view and is available on Android, iOS and the Web SDK, and MRZ on Linux needs the OCR libraries on a 64-bit build. Check the documentation for your platform before you plan a feature.
Yes. The SDK checks the license key with the barKoder licensing server when it initializes. Scanning runs locally, and each device must reach the licensing server at least once every 30 days.
Get a free 30-day trial key for mobile, web, desktop or server, or talk to an SDK expert about your deployment.
