QR-Code Master

Scan & Create QR & Barcodes

Free · Designed for iPad

Scan and create QR codes, barcodes, Aztec, Data Matrix, and PDF-417 codes with deep technical analysis. QR-Code Master is a powerful scanner and generator for QR codes, barcodes, and 2D codes. SCAN ANY CODE Point your camera at any QR code, barcode, or 2D code and get instant results. Supports QR Code, Aztec, Data Matrix, PDF-417, EAN-13, EAN-8, UPC-A, Code 128, Code 39, and Codabar. Pinch to zoom for small or distant codes. DEEP ANALYSIS See the full technical details of every code you scan: QR version, error correction level, mask pattern, encoding segments, and more. View color-coded visualizations that highlight finder patterns, alignment patterns, and timing patterns. GENERATE CODES Create QR codes, Aztec codes, Data Matrix, PDF-417, and all supported 1D barcode formats. Live preview updates as you type. Fine-tune QR parameters including error correction level, version, mask pattern, and encoding mode. BATCH SCANNING Switch to batch mode to scan multiple codes in rapid succession. All scanned items are saved together for easy review. SCANNER FILTERS Only scan the code types you need. Enable the scanner filter and select which formats to accept. HISTORY Every scan is saved with full details. Review, search, and re-open any previously scanned code. SHARE & SAVE Copy content to clipboard, share via any app, open URLs directly, or save generated codes as images.

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The developer, Karpelès Lab Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    • Size
      • 35.8 MB
    • Category
      • Utilities
    • Compatibility
      Requires iOS 16.0 or later.
      • iPhone
        Requires iOS 16.0 or later.
      • iPad
        Requires iPadOS 16.0 or later.
      • Mac
        Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.0 or later.
    • Languages
      • English
    • Age Rating
      4+
    • Provider
      Karpeles Lab Inc.
      • Karpeles Lab Inc. has identified itself as a trader for this app and confirmed that this product or service complies with European Union law.
      • DUNS Number
        718157247
      • Address
        〒161-0032
        Tokyo SHINJUKU-KU 3-15-22-301, NAKAOCHIAI
        Japan
      • Phone Number
        +81 345102960
      • Email
        contact@klb.jp
    • Copyright
      • © 2026 KLB.jp
  • Privacy Policy

    • More by Karpelès Lab Inc.