Credit Card Validator

Validate credit card numbers using Luhn algorithm

Validate credit card numbers using the Luhn algorithm. Supports Visa, Mastercard, Amex, and Discover

How to Use Credit Card Validator

1

Enter Card Number

Paste or type the credit card number you want to validate.
2

Click Validate

Press the Validate button to check the card using Luhn algorithm.
3

Review Results

Check the card type, validity status, and detailed information.
4

Take Action

Use validated card numbers in your payment systems and testing.

About Credit Card Validator

The Credit Card Validator is an essential tool for developers, payment processors, and e-commerce professionals to verify credit card numbers using Luhn algorithm validation.

This tool provides comprehensive validation including:

  • Card Type Detection - Identifies Visa, Mastercard, American Express, Discover, and other card types
  • Luhn Algorithm Validation - Verifies card number validity using industry-standard checksum validation
  • BIN Range Analysis - Checks issuer identification number for card authenticity
  • Card Length Validation - Verifies correct length for each card type (Amex: 15, others: 16 digits)

Proper credit card validation is crucial for payment processing and fraud prevention.

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