Dynamsoft Developer Blog

Dynamsoft JavaScript barcode SDK is compatible with all mainstream web frameworks and web browsers. This article goes through the steps to build Angular barcode and QR code scanner apps with Dynamsoft JavaScript barcode SDK. This article is Part 1 in a 2-Part Series. Part 1 - How to Build Angular...

In many barcode scanning situations, we only need to select one barcode while there are many other barcodes around it. How to avoid scanning unwanted barcodes and only get the barcode result we want? In this article, we are going to talk about ways to select one barcode from many....

In the previous article, we’ve talked about how to use the Barcode Detection API to create a web QR code scanner. However, not many browsers support the API. So in this article, we are going to write a polyfill for the Barcode Detection API with the JavaScript version of Dynamsoft...

The Web Platform Incubator Community Group has published a Shape Detection API specification. The API aims at detecting features like faces and QR codes from images. It is still in draft status and has limited browser support. In this article, we are going to use the Barcode Detection API included...

If you are looking for a JavaScript barcode and QR code scanner SDK, Dynamsoft JavaScript Barcode SDK is no doubt the best. The SDK enables developers to quickly build web barcode and QR code scanner applications with a few lines of code. This article gives you a better understanding of...

On mobile platforms, HTML5 is not only supported by web browsers, such as Chrome, Edge, Safari, Firefox, and Opera, but also web view UI component that used for building native apps. Therefore, even though you are only familiar with web development, you can easily create excellent mobile apps for Android...

There are many open source JavaScript barcode and QR code reader libraries, but few of them are suitable for enterprise use. The reason is that they do not have a road map for long-term algorithm updates and maintenance. In addition, the performance of pure JavaScript is not good enough. WebAssembly...

Scalable Vector Graphics, SVG, is a W3C XML dialect to mark up graphics1. SVG can be created dynamically with JavaScript and injected into the HTML DOM2. Using SVG, it is very easy to draw a graphics in a web page. Below is a polygon example: <svg width="100" height="100" version="1.1" xmlns="http://www.w3.org/2000/svg">...

QR code is useful to transfer data across different devices. An Android device can exchange data with an iOS device through a QR code. It does not require setting up a wireless network and does not have the hassle of pairing using Bluetooth. As it is a screen-camera solution, it...

Updated in 2021: The Dynamsoft Barcode Reader now has a client-side JavaScript SDK which makes it possible to read barcodes from within the browser. Learn about the JavaScript SDK The Dynamsoft Barcode Reader now has mobile native SDKs supporting Android and iOS. The Dynamsoft Barcode Reader now has an official...

Originally designed for the automotive industry1, QR code (abbreviated from Quick Response code) has become popular in various usage scenarios. QR codes can encode richer content than 1D barcodes, from website URLs to even a small image. They can be displayed on screens and printed on posters, package boxes, etc....

Electron, one of the most popular cross-platform desktop application frameworks, has been used in numerous famous apps. With web technology, developers could rapidly build a product for Windows, macOS, and Linux. In this article, we would use Electron to build a barcode decoding and scanning app with Dynamsoft Barcode Reader....

The barcode localization algorithm is an essential step for barcode recognition within an image. However, for static images, the bigger size images have, the much more time the algorithm takes. Plus, the success rate of the algorithm may be interfered by the background color and the foreground color. It is...

Blazor is a web framework developed by Microsoft. It enables developers to create web apps using C# and HTML. However, calling existing JavaScript API is inevitable while developing a Blazor project. This article will help web developers who want to build web barcode and QR code reader apps using Blazor...

A few weeks ago, I wrote an article sharing how to read driver’s license information from PDF417 on Android. Comparing to building an Android native camera app, building a web camera app is much easier. In this article, let’s take a glimpse at a JavaScript sample, which is implemented with...

Previously, I shared an article demonstrating how to use Tesseract Python OCR to recognize the accompanying text of a 1D barcode. In this article, I will change the programming language to JavaScript, creating a JavaScript barcode scan app integrated with Tesseract JavaScript OCR. How to Use JavaScript OCR to Recognize...

Someone asked me how to create a real-time web barcode scanning app with a webcam. Is it hard to implement it? I’ve written an article sharing how to integrate Dynamsoft JavaScript Barcode Reader SDK into a React project. The remaining work is to make a webcam component. Since there is...

Dynamsoft JavaScript barcode SDK is built based on WebAssembly, which provides high performance for reading barcodes in web apps. This tutorial aims to demonstrate how to quickly create a simple web barcode reader by using React and Dynamsoft JavaScript barcode SDK. Download Node.js A Simple Web Barcode Reader Create a new react...

AngularDart, similar to Angular built with TypeScript, is a web app framework written in Dartlang. It finally compiles to JavaScript.  In this article, I will share how to use Dynamsoft JavaScript Barcode SDK to create a simple web barcode reader app using AngularDart on Windows 10. What You Should Know...

This article shows how to use Dynamsoft C++ barcode reader SDK to create a Window runtime component, as well as how to use the WinRT component and JavaScript to build a UWP app on Windows 10. Prerequisites Dynamsoft Barcode Reader SDK 6.4 Visual Studio 2017 Building WinRT Component with C++ DLLs...

Web Worker is a way to run JavaScript in background threads. The worker thread can perform some heavy works without interfering with the user interface. This article shares how to load WebAssembly and invoke Dynamsoft JavaScript barcode APIs in a web worker. Web Worker for WASM If you have tried the `hello...

A JavaScript barcode SDK can be built in C/C++ for high performance. We can compile C/C++ code to a Node.js addon or WebAssembly. Which one is superior? Let’s try Dynamsoft Barcode Reader SDK to find the answer. What You Should Know Node.js C++ Addon vs. WebAssembly Speed Performance is vital...

If you want to get a Node.js application into a Docker container from scratch, it’s recommended to read the official guide – Dockerizing a Node.js web app.  It is useful, but not enough for a complicated case. In this post, I’m going to share what problems I have encountered while...

Previously, I shared an article How to Make Node Barcode Reader Addon on Linux, which illustrates how to create a node barcode addon by wrapping Dynamsoft Barcode Reader SDK on Linux. Since Node.js was born for developing network programs, let’s take a glimpse of how to create a Web barcode...

As cloud computing market continues to skyrocket, more and more IT companies tend to release cloud APIs for developers. Most cloud APIs are exposed via REST (Representational state transfer) Web service. In this post, I will illustrate how to create a barcode reader with Node REST Framework Restify and Dynamsoft...