Credit Card Checker

Name: Credit Card Checker
Author: Ramal Jayaratne

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

As of June 2026, Credit Card Checker has 6 users in the Productivity category.

Ramal Jayaratne Productivity

Chrome Web Store ↗.crx

Users+500.0%

Rating0%

—

— reviews

Reviews0%

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Version

1.0

Manifest V3

History

8 snapshots

Tracking since Apr 7, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 7, 2026	1	—	—	1.0
Apr 19, 2026	4	—	—	1.0
Apr 24, 2026	4	—	—	1.0
May 1, 2026	3	—	—	1.0
May 12, 2026	4	—	—	1.0
May 18, 2026	3	—	—	1.0
May 24, 2026	4	—	—	1.0
May 31, 2026	7	—	—	1.0
Now	6	—	—	1.0

Permissions & access

Permissions: None declared
Host access: None declared

Screenshots

About

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.