# EasyQRCodeJS EasyQRCodeJS is a powerful, cross-browser QR code generation library that uses JavaScript and runs on DOM-based client browsers. It can be downloaded directly in the browser. It supports Canvas, SVG, and Table drawing methods. It provides flexible configurations, including dot style, Logo, background image, color, title, and support for binary (HEX) data mode. It is also compatible with Angular, Vue.js, React, Next.js, and Svelte frameworks. EasyQRCodeJS 是使用 JavaScript 的一个强大的、跨浏览器的二维码生成库。运行在基于 DOM 的客户端浏览器，并能够在浏览器中进行下载。它支持Canvas、SVG和Table绘图方法。提供灵活的配置，包括点样式、Logo、背景图片、彩色，标题和二进制（十六进制）数据模式支持。它还能与Angular、Vue.js、React、Next.js和Svelte框架兼容。 ## Table of contents - [EasyQRCodeJS](#easyqrcodejs) - [Table of contents](#table-of-contents) - [Choose what you need](#choose-what-you-need) - [Feature](#feature) - [Try It!](#try-it) - [Demo preview](#demo-preview) - [QR Code Structure](#qr-code-structure) - [Installation](#installation) - [Load](#load) - [Basic Usages](#basic-usages) - [QRCode API](#qrcode-api) - [Object](#object) - [Options](#options) - [Method](#method) - [Download the QRCode Image in the Browser](#download-the-qrcode-image-in-the-browser) - [Angular Support](#angular-support) - [Vue.js Support](#vuejs-support) - [React Support](#react-support) - [Next.js Support](#nextjs-support) - [Svelte Support](#svelte-support) - [FQA](#fqa) - [Q1. Tainted canvases may not be exported.](#q1-tainted-canvases-may-not-be-exported) - [Q2. How to show the QRCode image only after rendering is done?](#q2-how-to-show-the-qrcode-image-only-after-rendering-is-done) - [Browser Compatibility](#browser-compatibility) - [License](#license) - [EasyQRCodeJS-Premium](#easyqrcodejs-premium) - [End](#end) ## Choose what you need | Project | Support | | --- | --- | | [EasyQRCodeJS](https://github.com/ushelp/EasyQRCodeJS) | **Running with DOM on CLIENT-SIDE .** Browser(IE6+, Chrome, Firefox, Safari, Opera, Mobile Safari, Android, Windows Mobile, ETC.), Electron, NW.js, ETC. | | [EasyQRCodeJS-NodeJS](https://github.com/ushelp/EasyQRCodeJS-NodeJS) | **Running without DOM on SERVER-SIDE**. Save image to file(PNG/JPEG/SVG) or get data url text. NodeJS, Electron, NW.js, ETC.| | [EasyQRCode-React-Native](https://github.com/ushelp/EasyQRCode-React-Native) | **A QRCode generator for React Native**. Generate QRCode image or get base64 data url text.| ## Feature - **English** - Cross-browser support for QR code generation based on HTML5 Canvas, SVG and Table - Support unicode character set: `😊❤️👍👨‍💻 Hello, こんにちは, こんにちは, Γεια, Привет, नमस्ते, สวัสดี, Привіт, سلام, Здравей, ສະບາຍດີ, Përshëndetje, Բարեւ, 你好` - Download the QRCode image in the browser - Required Patterns that support dot style - Support for Quiet Zone settings - Support custom Position Pattern inner fill and outer border color - Support custom Alignment Pattern inner fill and outer border color - Support custom Timing Patterns vertical, horizontal color - Support Logo images (including transparent PNG images) - Support Background Image - Support for title, subtitle settings - Has no dependencies - Support AMD, CMD, CommonJS/Node.js JavaScript modules - Angular, Vue.js, React, Next.js, Svelte Support - Support binary(hex) data mode - Support TypeScript - **中文** - 跨浏览器，支持基于 HTML5 Canvas, SVG 和 Table 的二维码生成 - 支持 Unicode 字符集: `😊❤️👍👨‍💻 Hello, こんにちは, こんにちは, Γεια, Привет, नमस्ते, สวัสดี, Привіт, سلام, Здравей, ສະບາຍດີ, Përshëndetje, Բարեւ, 你好` - 在浏览器中下载 - 支持点形风格的 Required Patterns - 支持 Quiet Zone 设置 - 支持自定义 Position Pattern 内填充和外边框颜色 - 支持自定义 Alignment Pattern 内填充和外边框颜色 - 支持自定义 Timing Patterns 垂直，水平颜色 - 支持 Logo 图片（包括背景透明的 PNG 图片） - 支持 Background Image 背景图片 - 支持标题，副标题设置 - 不依赖任何第三方 - 支持 AMD，CMD, CommonJS/Node.js JavaScript 模块加载规范 - Angular, Vue.js, React, NEXT.js, Svelte 支持 - 二进制数据模式支持 - TypeScript 支持 ## Try It! [Try It!](http://www.easyproject.cn/easyqrcodejs/tryit.html "EasyQRCodeJS Try It!") ## Demo preview ![Demo preview](doc/images/demo.png) ## QR Code Structure ![QR Code Structure](doc/images/QR_Code_Structure.png) ## Installation - Download install [https://github.com/ushelp/EasyQRCodeJS](https://github.com/ushelp/EasyQRCodeJS) - Npm install ```BASH npm install easyqrcodejs ``` ## Load - Script load ```HTML ``` - AMD load ```JS require.config({ paths: { QRCode: "/easy.qrcode.min" } }); require(["QRCode"], function(QRCode){ // Your code... }); ``` - Node.js load(For Example, Use in [Electron](http://electronjs.org/ 'Electron')) ```JS const QRCode = require('/easyqrcodejs'); // Your code... ``` ## Basic Usages ```HTML

``` ## QRCode API ### Object ```JS var qrcode = new QRCode(DOM_object, options_object); ``` ### Options ```JS var options_object = { // ====== Basic text: "https://github.com/ushelp/EasyQRCodeJS", width: 256, height: 256, colorDark : "#000000", colorLight : "#ffffff", correctLevel : QRCode.CorrectLevel.H, // L, M, Q, H // ====== dotScale /* dotScale: 1, // For body block, must be greater than 0, less than or equal to 1. default is 1 dotScaleTiming: 1, // Dafault for timing block , must be greater than 0, less than or equal to 1. default is 1 dotScaleTiming_H: undefined, // For horizontal timing block, must be greater than 0, less than or equal to 1. default is 1 dotScaleTiming_V: undefined, // For vertical timing block, must be greater than 0, less than or equal to 1. default is 1 dotScaleA: 1, // Dafault for alignment block, must be greater than 0, less than or equal to 1. default is 1 dotScaleAO: undefined, // For alignment outer block, must be greater than 0, less than or equal to 1. default is 1 dotScaleAI: undefined, // For alignment inner block, must be greater than 0, less than or equal to 1. default is 1 */ // ====== Quiet Zone /* quietZone: 0, quietZoneColor: "rgba(0,0,0,0)", */ // ====== Logo /* logo: "../demo/logo.png", // Relative address, relative to `easy.qrcode.min.js` logo: "http://127.0.0.1:8020/easy-qrcodejs/demo/logo.png", logoWidth: 80, // fixed logo width. default is `width/3.5` logoHeight: 80, // fixed logo height. default is `heigth/3.5` logoMaxWidth: undefined, // Maximum logo width. if set will ignore `logoWidth` value logoMaxHeight: undefined, // Maximum logo height. if set will ignore `logoHeight` value logoBackgroundColor: '#fffff', // Logo backgroud color, Invalid when `logBgTransparent` is true; default is '#ffffff' logoBackgroundTransparent: false, // Whether use transparent image, default is false */ // ====== Backgroud Image /* backgroundImage: '', // Background Image backgroundImageAlpha: 1, // Background image transparency, value between 0 and 1. default is 1. autoColor: false, // Automatic color adjustment(for data block) autoColorDark: "rgba(0, 0, 0, .6)", // Automatic color: dark CSS color autoColorLight: "rgba(255, 255, 255, .7)", // Automatic color: light CSS color */ // ====== Colorful // === Posotion Pattern(Eye) Color /* PO: '#e1622f', // Global Posotion Outer color. if not set, the defaut is `colorDark` PI: '#aa5b71', // Global Posotion Inner color. if not set, the defaut is `colorDark` PO_TL:'', // Posotion Outer color - Top Left PI_TL:'', // Posotion Inner color - Top Left PO_TR:'', // Posotion Outer color - Top Right PI_TR:'', // Posotion Inner color - Top Right PO_BL:'', // Posotion Outer color - Bottom Left PI_BL:'', // Posotion Inner color - Bottom Left */ // === Alignment Color /* AO: '', // Alignment Outer. if not set, the defaut is `colorDark` AI: '', // Alignment Inner. if not set, the defaut is `colorDark` */ // === Timing Pattern Color /* timing: '#e1622f', // Global Timing color. if not set, the defaut is `colorDark` timing_H: '', // Horizontal timing color timing_V: '', // Vertical timing color */ // ====== Title /* title: 'QR Title', // content titleFont: "normal normal bold 18px Arial", //font. default is "bold 16px Arial" titleColor: "#004284", // color. default is "#000" titleBackgroundColor: "#fff", // background color. default is "#fff" titleHeight: 70, // height, including subTitle. default is 0 titleTop: 25, // draws y coordinates. default is 30 */ // ====== SubTitle /* subTitle: 'QR subTitle', // content subTitleFont: "normal normal normal 14px Arial", // font. default is "14px Arial" subTitleColor: "#004284", // color. default is "4F4F4F" subTitleTop: 40, // draws y coordinates. default is 0 */ // ===== Event Handler /* onRenderingStart: undefined, onRenderingEnd: undefined, */ // ===== Versions /* version: 0, // The symbol versions of QR Code range from Version 1 to Version 40. default 0 means automatically choose the closest version based on the text length. */ // ===== Binary(hex) data mode /* binary: false, // Whether it is binary mode, default is text mode. */ // ===== Tooltip /* tooltip: false, // Whether set the QRCode Text as the title attribute value of the QRCode div */ // ==== CORS /* crossOrigin: null, // String which specifies the CORS setting to use when retrieving the image. null means that the crossOrigin attribute is not set. */ // ===== Drawing method /* drawer: 'canvas', // Which drawing method to use. 'canvas', 'svg'. default is 'canvas' */ // ===== UTF-8 without BOM /* utf8WithoutBOM: true */ } ``` | Option | Required | Type | Defaults | Description | Compatibility | | --- | --- |--- | --- |--- | --- | | Basic options| --- | ---|---|---|---| | **text** | Y | String |`''` | Text | | | **width** | N | Number | `256` | Width | | | **height** | N | Number | `256` | Height | | | **colorDark** | N | String | `#000000` | Dark CSS color, `rgba(0,0,0,0)`| | | **colorLight** | N | String | `#ffffff` | Light CSS color, `rgba(255,255,255,0)` | | | **correctLevel** | N | Enum | `QRCode.CorrectLevel.H` | `QRCode.CorrectLevel.H`
`QRCode.CorrectLevel.Q`
`QRCode.CorrectLevel.M`
`QRCode.CorrectLevel.L`| | | Dot style| --- | ---|---|---|---| | **dotScale** | N | Number | `1.0` |Dot style scale. Ranges: `0-1.0` | | | **dotScaleTiming** | N | Number | `1.0` |Dot style scale for timing. Ranges: `0-1.0` | | | **dotScaleTiming_V** | N | Number | `undefined` |Dot style scale for horizontal timing. Ranges: `0-1.0` | | | **dotScaleTiming_H** | N | Number | `undefined` |Dot style scale for vertical timing. Ranges: `0-1.0` | | | **dotScaleA** | N | Number | `1.0` |Dot style scale for alignment. Ranges: `0-1.0` | | | **dotScaleAO** | N | Number | `undefined` |Dot style scale for alignment outer. Ranges: `0-1.0` | | | **dotScaleAI** | N | Number | `undefined` |Dot style scale for alignment inner. Ranges: `0-1.0` | | | Quiet Zone| --- | ---|---|---|---| | **quietZoneColor** | N | String | `rgba(0,0,0,0)` | Background CSS color to Quiet Zone | | | Quiet Zone| --- | ---|---|---|---| | **quietZone** | N | Number | `0` | Quiet Zone size | | | **quietZoneColor** | N | String | `rgba(0,0,0,0)` | Background CSS color to Quiet Zone | | | Logo options| --- | ---|---|---|---| | **logo** | N | String | `undefined` | Logo Image Path or Base64 encoded image. If use relative address, relative to `easy.qrcode.min.js` | | | **logoWidth** | N | Number | `width/3.5` | Fixed logo width. | | | **logoHeight** | N | Number | `height/3.5` | fixed logo height. | | | **logoMaxWidth** | N | Number | `undefined` | Maximum logo width. if set will ignore `logoWidth` value. | | | **logoMaxHeight** | N | Number | `undefined` | Maximum logo height. if set will ignore `logoHeight` value. | | | **logoBackgroundTransparent** | N | Boolean | `false` | Whether the background transparent image(`PNG`) shows transparency. When `true`, `logoBackgroundColor` is invalid | | | **logoBackgroundColor** | N | String | `#ffffff` | Set Background CSS Color when image background transparent. Valid when `logoBackgroundTransparent` is `false` | | | Backgroud Image options| ---|--- |---|---|---| | **backgroundImage** | N | String | `undefined` | Background Image Path or Base64 encoded Image. If use relative address, relative to `easy.qrcode.min.js` | | | **backgroundImageAlpha** | N | Number | `1.0` | Background image transparency. Ranges: `0-1.0` | | | **autoColor** | N | Boolean | `false` | Automatic color adjustment(for data block) | | | **autoColorDark** | N | String | `rgba(0, 0, 0, .6)` | Automatic color: dark CSS color | | | **autoColorLight** | N | String | `rgba(255, 255, 255, .7)` | Automatic color: light CSS color | | | Posotion Pattern Color options| --- | ---|---|---|---| | **PO** | N | String | `undefined` | Global Posotion Outer CSS color. if not set, the defaut is `colorDark` | | | **PI** | N | String | `undefined` | Global Posotion Inner CSS color. if not set, the defaut is `colorDark` | | | **PO_TL** | N | String | `undefined` | Posotion Outer CSS color - Top Left | | | **PI_TL** | N | String | `undefined` | Posotion Inner CSS color - Top Left | | | **PO_TR** | N | String | `undefined` | Posotion Outer CSS color - Top Right | | | **PI_TR** | N | String | `undefined` | Posotion Inner CSS color - Top Right | | | **PO_BL** | N | String | `undefined` | Posotion Outer CSS color - Bottom Left | | | **PI_BL** | N | String | `undefined` | Posotion Inner CSS color - Bottom Left | | | Alignment Color options| --- |--- |---|---|---| | **AO** | N | String | `undefined` | Alignment Outer CSS color. if not set, the defaut is `colorDark` | | | **AI** | N | String | `undefined` | Alignment Inner CSS color. if not set, the defaut is `colorDark` | | | Timing Pattern Color options| --- | ---|---|---|---| | **timing** | N | String | `undefined` | Global Timing CSS color. if not set, the defaut is `colorDark` | | | **timing_H** | N | String | `undefined` | Horizontal timing CSS color | | | **timing_V** | N | String | `undefined` | Vertical timing CSS color | | | Title options| --- | ---|---|---|---| | **title** | N | String | `''` | | | | **titleFont** | N | String | `normal normal bold 16px Arial` | CSS Font | | | **titleColor** | N | String | `#000000` | CSS color | | | **titleBackgroundColor** | N | String | `#ffffff` | CSS color| | | **titleHeight** | N | Number | `0` | Title Height, Include subTitle | | | **titleTop** | N | Number | `30` | draws y coordinates.| | | SubTitle options| --- | ---|---|---|---| | **subTitle** | N | String | `''` | | | | **subTitleFont** | N | String | `normal normal normal 14px Arial` | CSS Font | | | **subTitleColor** | N | String | `#4F4F4F` | CSS color | | | **subTitleTop** | N | Number | `0` | draws y coordinates. default is 0| | | Event Handler options| --- | ---|---|---|---| | **onRenderingStart(qrCodeOptions)** | N | Function | `undefined` | Callback function when the rendering start. can use to hide loading state or handling. | | | **onRenderingEnd(qrCodeOptions, dataURL)** | N | Function | `undefined` | Callback function when the rendering ends. `dataURL` parameter is the base64 data(`canvas` drawer) or SVG serialized text(`svg` drawer) of QRCode image(if not support canvas return `null`). | | | Version options| --- | ---|---|---|---| | **version** | N | Number | `0` | The symbol versions of QR Code range from Version `1` to Version `40`. default 0 means automatically choose the closest version based on the text length. [Information capacity and versions of QR Codes](https://www.qrcode.com/en/about/version.html) **NOTE**: If you set a value less than the minimum version available for text, the minimum version is automatically used. | | | Tooltip options| --- | ---|---|---|---| | **tooltip** | N | Boolean | `false` | Whether set the QRCode Text as the title attribute value of the QRCode div. | | | Binary(hex) data model options| --- | ---|---|---|---| | **binary** | N | Boolean | `false` | Whether it is binary mode, default is text mode. | | | CORS options| --- | ---|---|---|---| | **crossOrigin** | N | String | `null` | String which specifies the CORS setting to use when retrieving the image. null means that the crossOrigin attribute is not set. `'anonymous'`, `null`. | | | UTF-8 options| --- | ---|---|---|---| | **utf8WithoutBOM** | N | Boolean | `true` | Use UTF-8 without BOM. set to `false` value will use BOM in UFT-8.| | | Drawing method options| --- | ---|---|---|---| | **drawer** | N | String | `canvas` | Which drawing method to use. `canvas`, `svg`. | Chrome, FF, IE9+. | ### Method - clear() ```JS qrcode.clear(); // remove the code. ``` - makeCode(text) ```JS qrcode.makeCode("https://github.com/ushelp/EasyQRCodeJS"); // make another code text. ``` - resize(width, height) ```JS qrcode.resize(480, 480); // Resize the image ``` - download(fileName) ```JS qrcode.download("easyQRCode"); // Download the image or svg file, the filename does not need to include extension, '.png' or '.svg' suffix will be added automatically ``` ## Download the QRCode Image in the Browser For a long time, I have not been included to add a download function to our features, because due to browser environment restrictions, it cannot guarantee to truly fully output the image seen by the user. On the other hand, I see many user demands related to downloading, and there are also different implementation methods, so I decide to provide a friendly and as fully-featured download implementation as possiable. However, saving Canvas or SVG images on the client side is subject to many restrictions in the browser environments. For example, if your EasyQRCode image used an external image and there is a cross domain issue, you may be able to see the exernal image in the browser, but actully these images may not be able to be read normally and saved to your download file. Therefore, if your requirement is to save the QRCode as an image, you may consider using [EasyQRCodeJS-NodeJS](https://github.com/ushelp/EasyQRCodeJS-NodeJS) on the server side to gain more complete control. ```html

``` ## Angular Support 1. Add dependency ```Shell # install with `npm` npm install --save easyqrcodejs # Alternatively you may use `yarn`: yarn add easyqrcodejs ``` 2. [NAME].component.html ```HTML

``` 2. Activate `esModuleInterop` in your `tsconfig.json` ``` "esModuleInterop": true, ``` 3. [NAME].component.ts ```JavaScript import { Component, AfterViewInit, ElementRef, ViewChild } from '@angular/core'; import QRCode from 'easyqrcodejs'; @Component({ selector: 'app-root', templateUrl: './app.component.html', styleUrls: ['./app.component.css'] }) export class AppComponent implements AfterViewInit{ // Your DOM Element @ViewChild('qrcode', {static: false}) qrcode: ElementRef; ngAfterViewInit(){ // Options var options = { text: "https://github.com/ushelp/EasyQRCodeJS" } // Create new QRCode Object new QRCode(this.qrcode.nativeElement, options); } btnClick(){ // .... } } ``` ## Vue.js Support 1. Add dependency ```Shell # install with `npm` npm install --save easyqrcodejs # Alternatively you may use `yarn`: yarn add easyqrcodejs ``` 2. Template ```HTML

``` 3. Script ```JavaScript ``` ## React Support 1. Add dependency ```Shell # install with `npm` npm install --save easyqrcodejs # Alternatively you may use `yarn`: yarn add easyqrcodejs ``` 2. Script - JavaScript ```JavaScript import React from 'react'; import './App.css'; import * as QRCode from 'easyqrcodejs'; class App extends React.Component { constructor(props) { super(props); this.qrcode = React.createRef(); } componentDidMount() { // Options var options = { text: "https://github.com/ushelp/EasyQRCodeJS" } // Create new QRCode Object new QRCode( this.qrcode.current, options); } render() { return (

); } } export default App; ``` - TypeScript ```JavaScript import React, { useEffect } from "react"; import QRCode from "easyqrcodejs"; function App() { const code = React.createRef(); useEffect(() => { new QRCode(code.current, { text: "https://github.com/ushelp/EasyQRCodeJS" }); }, [code]); return (

); } export default App; ``` ## Next.js Support 1. Add dependency Add `easy.qrcode.min.js` to your static files folder called **`static`**(**`<`Next.js 9.1**)/**`public`**(**`>=`Next.js 9.1**) in the root directory. 2. Script ```JavaScript import Layout from '../components/Layout'; // Import Head import Head from "next/head"; class About extends React.Component { constructor(props) { super(props); // QRCode DOM this.qrcodeDOM = React.createRef(); // QRCode this.qrcode=null; } //QRCode generator generate(color){ if(this.qrcode){ this.qrcode.clear(); } var options = { text: "https://github.com/ushelp/EasyQRCodeJS", colorDark : color?color:'#000000' }; this.qrcode=new QRCode(this.qrcodeDOM.current, options); } // Gerenate QRCode on mount componentDidMount() { this.generate() } render() { return (

This is About page

{/* DOM */}

{/* Gerenate QRCode on click */} {/* Include EasyQRCodeJS library*/}

This is About page

); } } export default About; ``` ## Svelte Support 1. Add dependency ```Shell # install with `npm` npm install --save-dev easyqrcodejs # Alternatively you may use `yarn`: yarn add easyqrcodejs --dev ``` 2. Component template QR.svelte: ```HTML

``` 3. Layout index.svelte: ```HTML

``` ## FQA ### Q1. Tainted canvases may not be exported. When use canvas drawer, Canvas toDataURL function does not allow load cross domain image. there are three options to slove this problem: - Option 1: Configure the `crossOrigin` attribute([crossorigin](https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/crossorigin)) for the image. Make sure that CORS is configured on the Server side. ```JS { // ... // String which specifies the CORS setting to use when retrieving the image. null means that the crossOrigin attribute is not set. 'anonymous', null. crossOrigin : 'anonymous', // ... } ``` - Option 2: Put your image under the same domain with your page. - Option 3: Use base64 image. ### Q2. How to show the QRCode image only after rendering is done? ```JS onRenderingStart: function(qrCodeOptions) { qrCodeOptions._element.style.display = 'none'; }, onRenderingEnd: function(qrCodeOptions) { qrCodeOptions._element.style.display = 'block'; }, ``` ## Browser Compatibility IE6+, Chrome, Firefox, Safari, Opera, Mobile Safari, Android, Windows Mobile, ETC. ## License MIT License ## EasyQRCodeJS-Premium *Let you draw freely!* **EasyQRCodeJS-Premium** is a more powerful and comprehensive enterprise version. You can use Canvas to customize any element, such as eye frame shape, eyeball shape, QR code block shape, and more. Also supports excavation (to prevent the QRcode overlap with the logo), random block mode. If you need more functions, we can provide you with customized development of API libraries or products. please contact me to buy the business enterprise edition. **EasyQRCodeJS-Premium** 是功能更加强大和全面的商业/企业版本。让您可以在 QRCode 中通过 Canvas 自定义任何喜欢的元素，例如 Eye frame 形状, Eye ball 形状, QR Body block 形状等等。还支持 Logo 挖取（excavation，防止二维码与 Logo 重叠）和 Random bolock mode. 如果您需要更多功能，我们可以为您提供 API 库或产品的定制开发。请联系我购买商业/企业版本。 ![Premium demo preview](doc/images/demo-premium.png) ## End Email： [http://www.easyproject.cn](http://www.easyproject.cn "EasyProject Home") **Donation/捐助:**

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我们相信，每个人的点滴贡献，都将是推动产生更多、更好免费开源产品的一大步。 **感谢慷慨捐助，以支持服务器运行和鼓励更多社区成员。** We believe that the contribution of each bit by bit, will be driven to produce more and better free and open source products a big step. **Thank you donation to support the server running and encourage more community members.**

	Stars	Issues	Version	Updated	Created
easyqrcodejs	683	5	4.6.1	3 months ago	7 years ago
node-qrcode			0.0.4	8 years ago	8 years ago
qr-image	1,036	15	3.2.0	7 years ago	10 years ago
qrcode-npm	30	3	0.0.3	12 years ago	12 years ago
qrcode-terminal	1,256	32	0.12.0	6 years ago	11 years ago

easyqrcodejs vs node-qrcode vs qr-image vs qrcode-npm vs qrcode-terminal

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