Credit Card Validator

Validate credit card numbers using the Luhn algorithm. Check if your card number is valid and identify the card type.

Supported Card Types

Visa Mastercard American Express Discover JCB Diners Club

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Activity Water Intake Calculator

Calculate personalized daily water intake based on your activity level, body weight, and exercise duration

Affiliate Link Generator

Generate affiliate tracking links for Amazon Associates, ClickBank, ShareASale, and more

Affordability Calculator

Calculate how much house or car you can afford based on your income and expenses

Age Calculator

Calculate your exact age from birthdate instantly. Free online age calculator with years, months, days and detailed statistics.

AI Prompt Generator

Generate optimal prompts for effective AI communication. Customize templates for various use cases.

Alcohol Calorie Calculator

Calculate calories in your favorite alcoholic drinks. Track alcohol calories for beer, wine, spirits, and cocktails to manage your diet.