Barcode Calculator

Input

Enter complete or incomplete barcode here.

Output

Encode/Decode Instructions

  • Separate values with a new line and/or a comma.
  • You can calculate & validate up to 10 million rows at a time.

Calculate Barcode Check Digit

  1. Accepts GTIN-8, GTIN-12, GTIN-13 and/or GTIN-14 barcode without the last digit
  2. Press Calculate
  3. A complete barcode including the last check digit is added to the output box

Validate Barcode Check Digit

  1. Accepts GTIN-8, GTIN-12, GTIN-13 and/or GTIN-14 barcode
  2. Press Validate
  3. A message will be appended after a comma to tell you if the barcode check digit is valid or not