Free, private and instant. Everything runs in your browser — nothing is uploaded, no sign-up needed.
Basic arithmetic with a clean keypad.
Turn any text or link into a scannable QR code.
QR images are generated by a free public service (api.qrserver.com).
Length, weight, temperature, area and volume.
Shrink a photo right in your browser. The image never leaves your device.
Strong random passwords, generated locally.
Pick random numbers (or roll a die) in a given range.
Count words, characters and lines of any text.