🔳 QR Code generator

• 🦕 Playground
• 📚 Documentation

📑 Examples

SVG output

import { qrcode } from "./mod.ts"
const svg = qrcode("https://example.com", { output: "svg" })
console.assert(svg.includes("</svg>"))

PNG output

import { qrcode } from "./mod.ts"
const png = qrcode("https://example.com", { output: "png", scale: 8 })
console.assert(png instanceof Uint8Array)
// await Deno.writeFile("qrcode.png", png)

Console output

import { qrcode } from "./mod.ts"
qrcode("https://example.com", { output: "console" })

Array output

import { qrcode } from "./mod.ts"
const array = qrcode("https://example.com")
console.assert(Array.isArray(array))

✨ Features

• Support for array, console, svg and png outputs out-of-the-box.
• Support for custom colors and error correction level (ECL).
• Has a modern implementation using TypeScript and EcmaScript modules.
• Has no external dependencies (not even the DOM's <canvas> element)!
• Is runtime agnostic (and even works in browsers)!

📜 License and credits

Copyright (c) Simon Lecoq <@lowlighter>. (MIT License)
https://github.com/lowlighter/libs/blob/main/LICENSE

Copyright (c) Project Nayuki. (MIT License)
https://www.nayuki.io/page/qr-code-generator-library

This library is based on the awesome work of @nayiki.

Please take a look at their articles about QR Codes:

• Creating a QR Code step by step
• QR Code generator library