12 free tools · 10 languages

Free online tools that just work

Calculators, converters, text and generator tools — fast, private and free. Everything runs in your browser: no signup, no installs, no limits.

⚡ 100% free 🚫 No signup 🔒 Runs in your browser

Calculators

5 tools

Age CalculatorEnter your date of birth to calculate your exact age in years, months and days — plus how many…BMI CalculatorBody Mass Index (BMI) is a quick screening measure of body fat based on height and weight.…Percentage CalculatorSolve the three most common percentage problems: taking a percent of a number, finding what…Loan CalculatorEstimate the monthly payment for a loan or mortgage using the standard amortization formula,…Date Difference CalculatorCalculate the exact duration between two dates in years, months and days — plus total days,…

Text tools

2 tools

Word CounterCount words, characters, sentences and paragraphs as you type — with an estimated reading time.…Case ConverterTransform any text between seven letter-case styles — from everyday capitalization to…

Generators

3 tools

Password GeneratorCreate strong random passwords using your browser’s cryptographic random generator. Nothing is…QR Code GeneratorTurn any link or text into a scannable QR code and download it as a high-resolution PNG — free,…Random Number GeneratorDraw random numbers in any range — for giveaways, games, sampling or decisions. Generate…

Converters

2 tools

Unit ConverterA precise converter for everyday units across six categories — length, weight, temperature,…Color ConverterConvert colors between HEX, RGB, HSL and CMYK formats with a live preview — handy for CSS,…

Why KORIXA?

Every tool is built to load instantly, work on any device and respect your privacy. Calculations happen on your device, results can be copied with one click, and the whole site is available in 10 languages. Bookmark KORIXA and get things done faster.