Free QRCode Generator

A free, fast, no-sign-up QR Code generator with optional center logo and PNG export.

Live App (Ready to Use)

The project is deployed and ready to use at:

http://freeqrcode.rxmos.dev.br/

Overview

This project is a static web application to generate QR Codes with a custom visual identity. You provide text or a URL, optionally add a center logo, adjust logo size and white padding, then download a high-quality result.

Features

• Browser-based QR Code generation
• Optional logo upload applied in the QR center
• Logo size and white padding controls via sliders
• One-click PNG download
• Bilingual interface (PT-BR and EN-US)
• Automatic CDN fallback for the QR Code library

Tech Stack

• HTML5
• JavaScript (Vanilla)
• Tailwind CSS (via CDN)
• qrcode (via CDN)

Run Locally

Because this is a static project, you can open index.html directly in your browser.

Optionally, run a local server:

# Python 3
python3 -m http.server 5500

Then open:

http://localhost:5500

How to Use

1. Fill in the content field with a URL or text.
2. (Optional) Upload a logo image.
3. Adjust logo size and white padding.
4. Click Generate QR Code.
5. Click Download PNG to export.

Project Structure

.
├── index.html
├── script.js
└── README.md

License

This project is available for free use.