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Basic Calculator

Everyday arithmetic with full keypad entry.

Percentage Calculator

Percent of a value, share of total, or change over time.

Body mass index with WHO weight category.

Loan EMI Calculator

Monthly installment, total interest, and payoff summary.

Mortgage Calculator

Home loan payments after down payment and term.

Compound Interest

Growth of a lump sum with optional monthly contributions.

Currency Converter

Convert between major currencies with live exchange rates.

Weighted grade point average across your courses.

Tip amount and per-person split for a shared bill.

Exact age in years, months, and days, plus next birthday.

Password Generator

Secure random passwords with a strength meter.

Length, weight, volume, and area conversions.

QR Code Generator

Turn any URL or text into a scannable QR code.

Words, characters, sentences, and reading time.