Crypto QR Code Generator

Receive crypto with a scan — no address typos.

Content type

Content

Options

Size (px):

Margin:

Error correction

The higher the level, the better the QR resists damage. Level H is recommended when adding a logo.

Templates

Style

Module shape

Corner shape

Corner core

Colors

Color type

Modules

Background

Transparent background

Center logo

Choose an image…

Icons

PNG/SVG recommended, max 1 MB. Use error-correction level H to stay scannable.

Frame

Frame style

Preview

Fill in the content to see the QR code.

Embeddable HTTP API

The basic generator is also exposed over HTTP: handy for embedding a QR code directly in an email, a page or a script, with no JavaScript. Open CORS, no key, cached response.

Note: the API returns a "simple" QR (solid colors, square modules). Advanced styles — shapes, gradients, logo, frame — are available only in the generator above, in the browser.

Endpoint

GET /api/qr?data=...

Parameters

Param	Values	Default	Role
data	required	—	Text/URL to encode (max 2900 characters, URL-encoded).
size	64–2000	300	Width (= height) of the QR in pixels.
margin	0–20	2	Margin (quiet zone) in modules.
ec	L · M · Q · H	M	Error-correction level.
dark	hex	#000000	Module color (with or without #).
light	hex	#ffffff	Background color (with or without #).
format	png · svg	png	Format of the returned image.

Responses

Code	Type	When
200	image/png · image/svg+xml	QR generated. Open CORS + 24 h cache.
400	application/json	"data" missing, empty or too long.
422	application/json	Content too dense for the error-correction level.

Sample URL

/api/qr?data=https%3A%2F%2Fmy-monkey.fr&size=300&ec=M&dark=%230a0e1a&light=%23ffffff&format=png

HTML embed

Command line

curl -o qr.png "https://qrcode.my-monkey.fr/api/qr?data=https%3A%2F%2Fmy-monkey.fr&size=300&ec=M&dark=%230a0e1a&light=%23ffffff&format=png"

Try it now

The crypto QR code encodes your wallet address (Bitcoin, Ethereum or Litecoin) — with an optional amount. Senders scan it to fill the recipient address automatically, avoiding costly typos.

Pick the cryptocurrency, paste your address (and an optional amount), then share the QR code. It is static and never expires.

Why use our QR code generator?

Free & unlimitedNo sign-up, no watermark, no limit. Generate and download as many QR codes as you like, in PNG or SVG.

Never expiresYour QR codes are static: they encode the data directly and keep working forever, with no subscription.

100% privateEverything is computed in your browser. No data (URL, Wi-Fi password, contact…) is ever sent to a server.

Fully customizableModule shapes, color gradients, a center logo and a frame with a call-to-action label.

PNG & SVG exportCrisp SVG (vector) for large-format print, PNG for the web — at any size.

Free HTTP APIGenerate QR codes from a simple URL to embed them in an email, a page or a script.

Create any type of QR code

Wi-Fi Link Contact (vCard) Text Email Phone SMS WhatsApp Location Event PayPal Social Scan a QR code Bulk QR codes

Frequently asked questions

How does a crypto QR code work?

It encodes a payment URI (e.g. bitcoin:address?amount=…). A wallet app scans it and pre-fills the recipient address and amount.

Which coins are supported?

Bitcoin, Ethereum and Litecoin URIs. Any wallet that reads standard payment URIs will work.

Is the QR code generator free?

Yes, completely free, no sign-up and no watermark.

Do the generated QR codes expire?

No. The QR code is static and never expires.