Miscellaneous Tools

18 free tools

Everyday utilities: strong passwords, random numbers, list shufflers, stopwatches, timers and handy calculators.

All 18 miscellaneous tools

Generate strong, random passwords with custom rules.

Pick random numbers in any range, with or without repeats.

Shuffle a list or pick random winners from it.

A precise online stopwatch with lap times.

Set a countdown with an audible alert when time is up.

Solve every common percentage question instantly.

Calculate exact age in years, months, days and more.

Calculate Body Mass Index in metric or imperial units.

Convert length, weight, temperature, area, volume, speed and data.

Work out the tip and split the bill between friends.

Estimate monthly payments, total interest and an amortization table.

Count days, weeks and business days between two dates.

Convert numbers to Roman numerals and back.

Spell out numbers in English words, including check-writing format.

Convert a time between time zones around the world.

Create QR codes for links, text, Wi-Fi and contacts with custom colors.

Generate CODE128, EAN-13, UPC and other barcodes as PNG or SVG.

Generate checksum-valid sample IBANs for software testing.