D DevKit

QR Code Generator

Generate QR codes for URLs, Wi-Fi credentials and text — fully offline.

100% client-side No upload Free · no signup
Error correction

What is QR Code?

A QR Code is a 2D barcode that any phone camera can scan. This generator runs locally so even sensitive payloads (Wi-Fi passwords, internal URLs) stay on your machine.

How to use

  1. Type or paste your text/URL.
  2. Pick an error correction level.
  3. Download the QR as PNG.

Frequently asked questions

How much data fits in a QR?

Up to ~4,000 characters at the lowest error-correction level, far less at the highest.

Is the QR uploaded anywhere?

No. Generation runs locally via the qrcode library.