Item logo image for Credit Card Checker

Credit Card Checker

toolcheckers.com
ExtensionTools1 user
Item media 2 (screenshot) for Credit Card Checker
Item media 1 (screenshot) for Credit Card Checker
Item media 2 (screenshot) for Credit Card Checker
Item media 1 (screenshot) for Credit Card Checker
Item media 1 (screenshot) for Credit Card Checker
Item media 2 (screenshot) for Credit Card Checker

Overview

Securely validate credit card numbers using the Luhn algorithm and identify card issuers.

Credit Card Checker 💳 ✅ Tired of wondering if a card number is valid or which network it belongs to? Credit Card Checker is your sleek, secure, and instant solution for validating credit card numbers directly from your browser. Why install Credit Card Checker? Instant Validation ⚡: Automatically checks any card number against the industry-standard Luhn algorithm to ensure its mathematical validity. Smart Issuer Detection 🔍: Instantly identifies the card network (Visa, Mastercard, Amex, Discover, JCB, and more) as you type. Industry Insights 🏦: Automatically reveals the Major Industry Identifier (MII) so you know exactly which sector issued the card. Privacy First 🔒: Your security is our priority. We never store, transmit, or share your card data. All checks are processed locally and anonymously. Beautiful Design ✨: Enjoy a premium, modern interface with smooth animations and clear status indicators.

Details

  • Version
    1.0
  • Updated
    March 18, 2026
  • Size
    1.2MiB
  • Languages
    English (United States)
  • Developer
    Website
    Email
    Roomikat@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

Credit Card Checker has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

Credit Card Checker handles the following:

Financial and payment information

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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