AI Engineering FoundryLoading…
Loading…
Converters, time and date tools, quick calculators, and generators for day-to-day student life.
Length
Convert between miles, kilometres, feet, metres, inches, centimetres, yards and more — exact to the international yard, with a reference table and every unit at once.
Open in Length Converter →Time zones
Convert a date and time between any time zones, with daylight saving time handled automatically, plus flight arrival times in local time.
Open tool →Clock
See the current time in cities around the world, with the date, time zone, and difference from your local time. Your list of cities is remembered.
Open tool →Duration
Count the days between two dates, and see the difference in years, months, weeks, weekdays, hours, and minutes.
Open in Date Difference Calculator →Age
Calculate exact age in years, months, and days from a date of birth, plus total months, weeks, and days, and how long until the next birthday.
Open tool →Time
Add and subtract hours and minutes, find the time after or before a duration, or the time between two clock times, including overnight.
Open tool →Shopping
Work out a sale price and savings from a percentage off, stack an extra discount, or find the discount percentage or the original price.
Open tool →Dining
Calculate the tip and total for a bill, split it between people, tip on the pre-tax amount, and round up the total or each share.
Open tool →Health
Calculate your body mass index in metric or US units, see your WHO weight category on a scale, and the healthy weight range for your height.
Open tool →Random
Generate random whole numbers in any range, with or without repeats: dice rolls, lottery picks, and PINs, using your browser's cryptographic randomness.
Open tool →Random
Pick random names or options from a list, shuffle a list into random order, or split it into random groups or teams, fairly.
Open tool →QR codes
Create QR codes for links, Wi-Fi logins, email, phone, and SMS. Set error correction and colors, then download a crisp SVG or PNG. Static codes, no tracking, no sign-up.
Open tool →Barcode
Create EAN-13, UPC-A, EAN-8, ITF-14, ISBN, Code 128, and Code 39 barcodes with automatic check digits. Download as print-ready SVG or PNG.
Open tool →Passwords
Generate strong random passwords in your browser: choose length and character types, skip look-alike characters, and make up to 500 at once.
Open tool →