Everyday utilities
QR codes, barcodes, passwords, unit conversion, ZIP files and lookups for everyday tasks.
QR code generator
Browser
Make a QR code for a link, text, Wi-Fi network or contact.
QR code scanner
Browser
Scan a QR code with your camera, or decode one from an image.
Barcode generator
Browser
Generate CODE128, EAN-13, UPC, CODE39 and other barcode formats.
Age / date calculator
Browser
Work out age or the time between two dates, down to the day.
Unit converter
Browser
Convert length, weight and currency, with live exchange rates.
File converter finder
Browser
Drop any file and get pointed at the right converter for it.
ZIP compress / extract
Browser
Compress files into a .zip, or extract one — RAR isn’t supported.
IP & domain lookup
Browser
Look up an IP address, or a domain’s WHOIS/RDAP registration data.
URL Shortener
Server · free
Turn a long link into a short, shareable URL — free, no account needed.
Password generator
Browser
Create strong random passwords, or check how strong an existing one is.