Quick Calculator & Unit Converter 作者： Skil

Your new tab, supercharged.

Quick Calculator & Unit Converter replaces your new tab with a clean, fast dashboard built around two essential tools you reach for every day.

🔢 Smart Calculator

• Basic arithmetic: add, subtract, multiply, divide
• Percentage calculations (e.g., "20% of 150")
• Sign toggle (±) and clear entry (CE)
• Memory functions: M+, M−, MR, MC
• Keyboard support — type numbers and operators naturally
• Works 100% offline

🔄 Unit Converter

Length — meters, kilometers, feet, inches, miles, yards, nautical miles, and more
Weight — kilograms, grams, pounds, ounces, stones, metric tons
Temperature — Celsius, Fahrenheit, Kelvin (with formula shown)
Currency — 16 currencies with offline fallback rates (USD, EUR, GBP, JPY, CAD, AUD, CHF, CNY, INR, and more)

🔍 Integrated Search Bar

Search the web instantly from your new tab — no extra clicks needed.

✨ Other Features

• Dark and light themes — auto-detects your OS preference
• Remembers your last-used tab and unit selections
• Vanilla JavaScript — no frameworks, no bloat
• Under 50KB total
• No ads, no tracking pixels, no data collection beyond anonymous usage counts

Privacy

We respect your privacy. No personal data is collected. No browsing history. No network requests except for your searches. See our full privacy policy for details.