🔳 QR Code Generator (Streamlit)

A simple and interactive QR Code Generator built with Python and Streamlit. Create QR codes from text or URLs, customize colors and size, and download them directly to your device.

Built by IndianCoder3 🚀

🚀 Live App: https://qr-code-gen-ic3.streamlit.app/ (Last Update: 29/12/2025)

View alternate (ttkbootstrap) QR Code Generator: https://github.com/IndianCoder3/QR-Code-Gen_ic3

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✨ Features

• 📝 Generate QR codes from text or URLs

• 🔍 Automatic URL detection & normalization

• 🎨 Customize:

  • Fill color
  • Background color
  • Box size
  • Border size

• 📥 Download QR code as PNG

• 🌐 Works locally and on Streamlit Cloud

• 🧼 Clean, simple UI

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🛠️ Tech Stack

• Python
• Streamlit
• qrcode (qrcode[pil])
• Pillow (PIL)

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📂 Project Structure

.
├── app.py
├── requirements.txt
└── README.md

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▶️ Run Locally

1️⃣ Clone the repository

git clone https://github.com/IndianCoder3/Str-QR-Code-Gen_ic3.git
cd qr-streamlit-app

2️⃣ Create & activate a virtual environment

python -m venv venv
source venv/bin/activate   # Linux / macOS
# venv\Scripts\activate    # Windows

3️⃣ Install dependencies

pip install -r requirements.txt

4️⃣ Run the app

streamlit run app.py

Open your browser at:

http://localhost:8501

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☁️ Deploy on Streamlit Cloud

1. Push this repo to GitHub

2. Go to 👉 https://share.streamlit.io

3. Click New app

4. Select:

   • Repository: IndianCoder3/qr-streamlit-app
   • Branch: main
   • File: app.py

5. Click Deploy

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⚠️ Notes

• File downloads use Streamlit’s download_button
• No files are saved on the server (cloud-safe)
• Tested with Python 3.11+

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👤 Author

IndianCoder3

• 🌐 Portfolio: https://indiancoder3.netlify.app
• 🐙 GitHub: https://github.com/IndianCoder3
• 🐱 Scratch: https://scratch.mit.edu/users/IndianCoder3/

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📜 License

This project is open-source and free to use for learning and personal projects.