QR Code Generator & Decoder

About QR Code Generator/Decoder

Product Introduction

QR Code Generator & Decoder is a browser-based QR code tool. Generate QR codes for various content types with custom styling options, or decode QR codes via image upload, paste, or camera scanning. All processing happens in your browser — no data is sent to servers.

Features

  • Support multiple content types: Text, URL, vCard, WiFi, Email
  • Custom foreground and background colors
  • Embed center Logo in QR code
  • Adjustable error correction level and size
  • Export as PNG or SVG
  • Decode via image upload, paste, or camera scan
  • Auto-detect decoded content type
  • All processing client-side, no server uploads

How to Use

  1. 1Select Generate or Decode mode
  2. 2Generate: choose content type, enter content, customize options
  3. 3Download as PNG/SVG or copy to clipboard
  4. 4Decode: upload image, paste image, or open camera
  5. 5View decoded result and copy

FAQ

How much data can a QR code store?
Up to 4296 alphanumeric chars or 2953 bytes (~1800 Chinese characters).
What QR code types?
5 types: Text, URL, vCard, WiFi, and Email.
What do error correction levels mean?
Determines scannability after damage: L(7%)→M(15%)→Q(25%)→H(30%) progressively stronger.
Does adding a logo affect scanning?
With high error correction (H) and logo ≤30% area, scanning usually unaffected.
Can it decode damaged QR codes?
Depends on error correction level and damage; H level tolerates up to 30% damage.

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