Yes — 100% free, forever. No account required, no hidden fees, no premium tiers. Every tool on SmartConvert is completely open to use. We believe essential utility tools should be freely accessible to everyone.

All calculations use industry-standard formulas. The Tax Calculator supports multiple countries with official tax brackets. The EMI calculator uses the standard amortization formula. We document the formula used for every single tool so you can verify results independently.

No. All calculations happen entirely in your browser. We do not store, log, or share any values you enter into our calculators. Your financial data, health metrics, and personal information stay completely private on your device.

We're continuously expanding our tool library. New calculators and converters are added regularly across all categories — Math, Finance, Health, Unit Conversion, Developer Tools, and more. Stay tuned for updates.

Absolutely. SmartConvert is fully responsive and optimized for all screen sizes — desktop, tablet, and mobile. Touch-friendly inputs and large tap targets make mobile usage seamless.