Free Online Utilities & Calculators
NexUtility gives you fast, private access to calculators, converters, and text and developer utilities—no account required. Everything runs in your browser.
Popular Utilities
Finance & Business
Finance & Business – calculators for loans, tax, salary, and more.
- Loan Calculator
- Mortgage Calculator
- Compound Interest Calculator
- Simple Interest Calculator
- ROI Calculator
- Salary Calculator
- Tax Calculator
- Budget Calculator
- Tip Calculator
- Discount Calculator
- Percentage Calculator
- Profit Margin Calculator
- Break-Even Calculator
- EMI Calculator
- Retirement Calculator
- Inflation Calculator
- NPV Calculator
- Payback Period Calculator
- Overtime Pay Calculator
- Hourly to Salary Converter
Health & Time
Health & Time – BMI, calories, dates, timezones, and more.
Converters
Converters – length, weight, temperature, units, and number bases.
- Length Converter
- Weight Converter
- Temperature Converter
- Volume Converter
- Area Converter
- Speed Converter
- Bytes Converter
- Hex to Decimal
- Decimal to Hex
- Binary to Decimal
- Decimal to Binary
- Octal Converter
- RGB to HEX
- HEX to RGB
- Angle Converter
- Pressure Converter
- Energy Converter
- Power Converter
- Time Converter
- Frequency Converter
Text Utilities
Text Utilities – word count, case, formatting, and more.
Developer Utilities
Developer Utilities – JSON, Base64, hashes, encoders, and more.
Generators
Generators – passwords, numbers, QR codes, and more.
Each utility runs in your browser. No sign-up required; no data sent to any server.