QR Code Generator & Decoder

Utility

Generate QR codes from any text or URL, and decode QR code images back to text. Free, no dependencies, works in the browser.

Import

import { qr } from 'toolmetry';

API Reference

Function	Parameters	Returns	Description
`qr.generate`	`text: string, size?: number`	`string`	Generate a QR code image URL from text
`qr.decode`	`imageUrl: string`	`Promise<string>`	Decode a QR code image URL back to text

Examples

Generate QR Code

import { qr } from 'toolmetry';

const qrUrl = qr.generate('https://toolmetry.pro');
// Returns QR code image URL

const qrLarge = qr.generate('https://toolmetry.pro', 512);
// Returns a larger 512x512 QR code

Decode QR Code

import { qr } from 'toolmetry';

const decoded = await qr.decode('https://example.com/qr-image.png');
// Returns the text/URL encoded in the QR code

Generate from Text

import { qr } from 'toolmetry';

const qrUrl = qr.generate('Hello, World!');
// Returns QR code image URL

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