Credit Card Checker

📦 v1.0

💾 1.2MiB

📅 2026-03-19

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Overview

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.

Privacy Practices

✓ 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

🔐 Security Analysis

This extension hasn't been security-scanned yet.

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