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Everyday Tools, Completely Free.
Calculate semester grades, convert GPA, compute percentage changes, and solve everyday math — built cleanly for fast browser privacy.
Popular Calculators & Tools
7 Free ToolsGrade Calculator
Calculate semester grades, weighted averages, letter grades, and the exact exam score needed for your target grade.
GPA & CGPA to Percentage
Convert university GPA and cumulative CGPA to accurate percentage scores using standard 4.0 and 10.0 scale conversions.
Age Calculator
Calculate exact chronological age in years, months, and days with next birthday countdown and birth date milestones.
Percentage Calculator
Quickly compute percentage increase, discounts, test mark proportions, sales tax, and reverse percentages.
Password Generator
Generate strong, random, and cryptographically secure passwords instantly with client-side zero-knowledge privacy.
Profile Picture & DP Resizer
Fit rectangular images into crisp square 1:1 profile pictures without cropping out crucial details or reducing quality.
Loan & Mortgage Calculator
Calculate monthly payments, total interest fees, and complete repayment schedules for student, auto, or personal loans.