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Free real-time currency converter with live exchange rates. Instantly calculate and convert between 150+ world currencies using accurate, up-to-date data.

Free online file hash calculator. Compute MD5, SHA-1, SHA-256, SHA-384, and SHA-512 checksums directly in your browser. No uploads, no dependencies, 100% client-side.

Free BMI calculator to assess your body mass index. Get instant results with BMI categories and health recommendations. Works on all devices.

A free, responsive scientific calculator for desktop, tablet, and mobile. Supports trigonometric, logarithmic, and advanced mathematical functions. No installation required, works directly in your browser.

Free loan payoff calculator to estimate monthly payments, total interest, and payoff timeline for any loan. Easy to use with no registration required.