rawkey.tools
Free online tools.
No sign-up. No clutter.
A small, sharp collection of calculators and converters that load instantly and just work.
Percentage Calculator
Calculate percentages, increases, decreases, and what % one number is of another.
Loan & Mortgage Calculator
Monthly payment, total interest, and amortization for any loan.
BMI Calculator
Body Mass Index in metric or imperial, with WHO category.
Unit Converter
Convert length, weight, and temperature instantly.
Date & Age Calculator
Days between dates, your exact age, and quick countdowns.
Password Generator
Cryptographically secure passwords with custom length and character sets.
Pension Calculator
Project your retirement pot with contributions, growth, and a year-by-year breakdown.
Savings Interest Calculator
Compound interest with regular deposits, plus a year-by-year chart and table.
Timezone Converter
Convert any date and time across the world's timezones at a glance.
Tip Calculator
Work out the tip and total, split the bill, and see what's customary in the US by service type.
VAT & Tax Calculator
Add or remove VAT and sales tax at the correct rate for your country, with a net, tax, and gross breakdown.
Word & Character Counter
Count words, characters, sentences, and paragraphs as you type, with reading and speaking time.