All Tools

Grade Point Average from course grades and credit hours

Final grades from weighted categories like exams and homework

Percentages, percentage change, and percentage of amounts

Systematic investment plan returns with compound growth

One-time investment growth over time with compounding

True annualized returns for irregular cash flows

Monthly installments and total cost for any loan type

Exact age in years, months, days, hours, and minutes

Daily calorie needs based on your body and activity level

Add, subtract, and convert time durations

Virtual dice for games, D&D, and random decisions

Format, minify, and validate JSON data

Encode and decode Base64 strings with unicode support

Generate strong, random passwords with custom rules

Convert text between camelCase, snake_case, Title Case, and more

Convert length, weight, temperature, volume, and speed