Grade Calculator
Calculate your grades and GPA easily. Perfect for students to track academic progress.
OpenScientific Calculator
Simple and easy-to-use online scientific calculator for all your math needs.
OpenOnline Bill Calculator
Calculate your total bill while shopping with our online bill calculator.
OpenPercentage Calculator
Calculate prices, amounts, or percentages easily with our percentage calculator.
OpenBMI Calculator
Check your BMI to stay fit. Uses your weight and height to determine your BMI status.
OpenAge Calculator
Calculate your age in years, months, days, hours, minutes, and seconds with precision.
OpenCharacter Counter
Count words, characters, sentences, and paragraphs with our online character counter tool.
OpenCharacter Remover
Remove or replace any character or word with this online character remover tool.
OpenSystem Design Whiteboard
Draw, teach, and interview online with our free system design whiteboard.
OpenMortgage Calculator
Estimate your home loan payments, interest, and amortization schedule with our advanced mortgage calculator.
OpenCurrency Converter
Convert currencies instantly with live rates. Supports all countries and is perfect for travelers and business.
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