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Optimize Toolset

I’ve always been into building performant and accessible sites, but lately I’ve been taking it extremely seriously. So much so that I’ve been building a tool to help me optimize and monitor the sites that I build to make sure that I’m making an attempt to offer the best experience to those who visit them. If you’re into performant, accessible and SEO friendly sites, you might like it too! You can check it out at Optimize Toolset.


Hi, 👋, I’m Ryan Hefner  and I built this site for me, and you! The goal of this site was to provide an easy way for me to check the stats on my npm packages, both for prioritizing issues and updates, and to give me a little kick in the pants to keep up on stuff.

As I was building it, I realized that I was actually using the tool to build the tool, and figured I might as well put this out there and hopefully others will find it to be a fast and useful way to search and browse npm packages as I have.

If you’re interested in other things I’m working on, follow me on Twitter or check out the open source projects I’ve been publishing on GitHub.

I am also working on a Twitter bot for this site to tweet the most popular, newest, random packages from npm. Please follow that account now and it will start sending out packages soon–ish.

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© 2024 – Pkg Stats / Ryan Hefner




Render QR codes as SVG in your React app




npm downloads CI


Render QR codes as SVG in your React app.


  • Install by executing npm install @wojtekmaj/react-qr-svg or yarn add @wojtekmaj/react-qr-svg.
  • Import by adding import QrSvg from '@wojtekmaj/react-qr-svg'.
  • Use by adding <QrSvg value="Hello world" />.


A minimal demo page can be found in sample directory.

Getting started


Your project needs to use React 16.8 or later.

Need library for React Native? Check out React-Native-QR-SVG.


Add React-QR-SVG to your project by executing npm install @wojtekmaj/react-qr-svg or yarn add @wojtekmaj/react-qr-svg.


Here's an example of basic usage:

import QrSvg from '@wojtekmaj/react-qr-svg';

function MyApp() {
  return (
      <QrSvg value="Hello world" />

Check the sample directory in this repository for a full working example.

User guide


Renders QR code as SVG.


| Prop name | Description | Default value | Example values | | --------------- | ----------------------------------------------------------------------------------------------------------------------- | ------------- | ---------------------------------------------------------------------- | | bgColor | Background color. | "white" | Color name: "beige"Color hex: "#fefefe" | | cellClassPrefix | Cell class name prefix. | "" | "qr-svg__cell" | | fgColor | Foreground color. | "black" | Color name: "black"Color hex: "#000000" | | level | Error correction level. Can be "L", "M", "Q" and "H". | "L" | "M" | | margin | Margin in pixels. | 0 | 4 | | type | Type (size). Can be any number from 0 to 40. Set to 0 or leave as undefined to use the smallest possible size. | 0 | 10 | | value | Value to render. | n/a | "Hello world" |

You can also specify all the props that are valid for the <svg> React element (e.g. style, className or width).


The MIT License.


Thank you

This project wouldn't be possible without the awesome work of Dan Homola [email protected] who created its original version.