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Simple tools that just work.
Zefince builds small, focused online tools that answer a real question quickly — no account, no ads in your way, no unnecessary steps.
Tools
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Fuel cost calculator
Work out exactly what a trip costs in petrol, diesel, CNG, or electric — with daily, monthly, and yearly projections.
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EMI Calculator
Calculate home, car, bike, and personal loan EMIs instantly. View monthly EMI, total interest, and repayment amount.
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Gold Rate Calculator
Calculate the value of 22K, 24K, or 18K gold instantly. Enter today's gold rate, choose your weight, and get an accurate estimate.
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GTA VI Countdown
Track the countdown to the release of Grand Theft Auto VI on November 19, 2026.