The only calculator site with dark mode, voice input, compare mode, and offline support. 32 calculators (EMI, SIP, tax, BMI, calorie, scientific & more) with 37-currency auto-detect. Works worldwide. Share calculations via URL. 100% free, no signup.
Create professional invoices in seconds. 100% free online invoice generator with 10 templates, 30+ currencies, live preview, and instant PDF download. No signup, no limits.
