QR Generator

Stick text or a URL in, get a QR code back as SVG or PNG. Optional size, ecc, margin, and colors. Default is image/svg+xml; format=png returns image/png; format=json wraps the svg and a data URI. Nothing stored.

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Parameters

text string Required

String to encode. Trimmed. Max 1024 characters.

Example: https://threethirds.dev

size number

Output width and height in px, 64 to 1024. Default 256.

Example: 256

ecc string

Error correction: L, M, Q, or H. Default M.

Example: M

format string

svg (default), png, or json.

Example: png

Responses

200 OK Success

{
  "ok": true,
  "text": "https://threethirds.dev",
  "size": 256,
  "ecc": "M",
  "svg": "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"256\" height=\"256\" viewBox=\"0 0 256 256\">...</svg>",
  "dataUri": "data:image/svg+xml;base64,..."
}

400 BAD_REQUEST text is required

400 BAD_REQUEST size has to be an integer from 64 to 1024

400 BAD_REQUEST ecc has to be L, M, Q, or H