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Calculators and Generators
Get a focused answer without building a spreadsheet. Compare percentages, dates, loans, health measures, and unit values, or use a timer and quick generator.
A good place to start
Popular tools
- QR Code GeneratorCreate a downloadable QR code for a URL, text, Wi-Fi network, or contact card.
- Password GeneratorGenerate cryptographically random passwords with adjustable length and character choices.
- Percentage CalculatorCalculate a percent of a value, a part-to-whole percentage, or percentage change.
- Loan and EMI CalculatorEstimate monthly loan payments, total interest, and a payment amortization table.
All calculators and generators
15 tools
- Calculators & Generators
QR Code Generator
Create a downloadable QR code for a URL, text, Wi-Fi network, or contact card.
- Calculators & Generators
Password Generator
Generate cryptographically random passwords with adjustable length and character choices.
- Calculators & Generators
Percentage Calculator
Calculate a percent of a value, a part-to-whole percentage, or percentage change.
- Calculators & Generators
Age Calculator
Calculate completed years, months, and days between a birth date and a chosen date.
- Calculators & Generators
Date Difference Calculator
Find calendar duration and total elapsed days between two dates.
- Calculators & Generators
Unit Converter
Convert length, weight, temperature, area, volume, speed, and data-size values.
- Calculators & Generators
BMI Calculator
Estimate body mass index from height and weight in metric or imperial units.
- Calculators & Generators
Loan and EMI Calculator
Estimate monthly loan payments, total interest, and a payment amortization table.
- Calculators & Generators
Compound Interest Calculator
Estimate compound growth with a chosen compounding schedule and optional contributions.
- Calculators & Generators
Discount Calculator
Calculate the savings and final price after a percentage discount.
- Calculators & Generators
Tip Calculator
Calculate a tip, total bill, and even per-person split.
- Calculators & Generators
Random Number Generator
Generate cryptographically random integers in an inclusive range.
- Calculators & Generators
Countdown Timer
Count down to a selected date and time with a readable local timer.
- Calculators & Generators
Stopwatch
Measure elapsed time with start, pause, and reset controls.
- Calculators & Generators
Pomodoro Timer
Run focus and break intervals with a muteable completion sound.
Good to know
Frequently asked questions
What is included in this group?
It includes finance, date, percentage, health, and unit calculators, timers, and QR and password generators.
Are calculator results financial or medical advice?
No. Results are estimates for general information. Verify important financial, health, tax, or legal decisions with a qualified professional.
Are my inputs stored?
Calculator inputs are handled in your browser and are not saved as an account history.
How precise are the results?
Precision depends on the calculator and assumptions shown on its page. Check units, rates, time periods, and rounding before relying on an estimate.
Can I use these tools on a phone?
Yes. The calculators and generators reflow for mobile screens; timers may continue only while the browser page remains active.