Everyday Utilities

Calculate your exact age in years, months and days — plus total weeks, hours and your next birthday.

Find the number of days, weeks, weekdays and weekend days between any two dates.

Work out percentages three ways: X% of Y, X is what % of Y, and percentage change.

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

Flip a virtual coin for a fair heads-or-tails decision, with a running tally.

Roll 1–20 dice with 4 to 100 sides and get an instant total — great for tabletop games.

Generate random numbers in any range, with optional no-repeats for draws and lotteries.

Pick a random winner from a list of names — perfect for giveaways and classrooms.

Split a list of people into balanced random teams by team count or team size.

Spin a colorful wheel of fortune to randomly pick one of your options.

Set a countdown timer for any duration with pause, resume and a time's-up alert.

An online stopwatch with lap times, accurate to a hundredth of a second.

Generate a clean, printable monthly calendar for any month and year.

Create barcodes in CODE128, EAN, UPC and more formats, and download as SVG.

Scan QR codes with your camera or from an image, right in the browser.

Test a password's strength, entropy and estimated time to crack — privately.

Spell any text in the NATO phonetic alphabet (Alfa, Bravo, Charlie…).

A focus timer with work/break cycles, custom lengths and a chime.