HEATKEYS

Validate credit cards online with our free tool!

Online tools for developers, including formatters (JSON, XML, HTML, SQL, etc.), minifiers (JavaScript, CSS), validators, compactors and many more!

Check credit card numbers. Validate your credit card number and find out which bank a card number belongs to.

Experiments in web programming. Features articles, tutorials and example code related to client-side and server-side web development. Heavy on the standards.

At Regular-Expressions.info you will find a wide range of in-depth information about a powerful search pattern language called regular expressions.

Authorize.Net Developer Community Forum: Test Accounts, Sample Code, AIM/SIM Integration, Simple Checkout, Merchant Interface, APIs, Affiliate and Certification Programs.

Compare Credit Cards & Credit Card Offers at CreditCards.com. Search credit cards and reviews about the best low interest, 0% balance transfer, reward, cash back, prepaid, student, airline, business and instant approval credit cards. Apply for Cr...

CSGNetwork Free Information. Calculators, Converters, Glossary, Open Source Code... find something. Most pages require JavaScript.

Magento is the eCommerce software platform for growth that promises to revolutionize the industry. Its modular architecture and unprecedented flexibility means your business is no longer constrained by your eCommerce platform. Magento is total contro...