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QR & Barcode

QR size & capacity helper

See how many bytes your text takes, which QR version it needs at each error-correction level, and how to shorten it.

  1. 1Fill in the values
  2. 2Click Run
  3. 3See results instantly

Limits

  • Numbers come from the same encoder the QR generator uses. The most a QR code holds is 2,953 bytes (level L, version 40).
  • The printed width is a rule of thumb (0.4 mm per module plus the quiet zone), not a guarantee: phones and print quality vary.

Ask the AI chat

The AI chat can run this tool for you. Try:

  • “qr capacity for https://example.com/menu”
  • “qr capacity: hello world”
  • “qr code capacity for my link https://example.com”