Tool description

A validation tool that verifies whether numbers are valid according to the Damm algorithm check digit system. This tool instantly checks if a given number passes Damm algorithm validation, which detects all single-digit errors and adjacent digit transpositions.

Features

  • Real-time Validation: Instant validation as you type
  • Automatic Cleaning: Removes non-digit characters from input
  • Clear Results: Visual indication of valid/invalid status
  • Paste Support: Easy pasting of numbers from clipboard
  • Error Detection: Identifies common input errors like single-digit mistakes and transpositions
  • No Length Limit: Validates numbers of any length
  • User-friendly Interface: Clear valid/invalid status display

Use Cases

  • Data Entry Verification: Validate identification numbers, account numbers, or codes
  • Quality Control: Check the integrity of numerical data in databases
  • Import Validation: Verify numbers before importing data into systems
  • Educational Purposes: Learn and demonstrate how Damm algorithm validation works
  • System Testing: Test Damm algorithm implementations with various inputs
  • Financial Services: Validate account numbers or transaction codes
  • Healthcare: Verify patient IDs or medical record numbers
  • Government Services: Validate citizen identification numbers or permit codes