Tools

• QR Code Generator

  Create QR codes instantly from any URL, text, Wi-Fi credentials, or contact card. Customize size, colors, and error correction level. Download as PNG or SVG.

• QR Code Reader

  Scan and decode QR codes using your device camera or by uploading an image. Detects QR code type, version, error correction level, and parsed data fields.

• QR Code Capacity Calculator

  Calculate the minimum QR code version needed for your data. Shows capacity used across all error correction levels and encoding modes.

• QR Code Size Calculator

  Calculate the optimal physical size for your QR code based on scanning distance, version, and print resolution. Includes presets for business cards, posters, and billboards.

• QR Code Validator

  Upload a QR code image to analyze its quality. Checks version, error correction, mask pattern, encoding mode, and estimates print quality grade.

• Batch QR Code Generator

  Upload a CSV file to generate QR codes in bulk. Supports multiple types per batch, custom error correction, and download as a ZIP archive.

• WiFi QR Code Generator

  Create a QR code that connects to WiFi automatically when scanned. Supports WPA2, WPA3, WEP, and open networks. Perfect for restaurants and offices.

• vCard QR Code Generator

  Generate a QR code containing your contact information in vCard format. Supports name, phone, email, organization, address, and URL fields.

• QR Code Comparison Tool

  Compare two QR codes side by side. Enter different data or settings and see how version, module count, and capacity usage differ in real time.

• QR Code Data Encoder/Decoder

  Explore how QR codes encode data at the bit level. Enter data and see the encoding mode, character count, bit stream, and error correction codewords.