Free Online Calculators & Smart Tools for Money, Math, Health and Everyday Life
Utilities
Everyday utilities that run in your browser: strong passwords, QR codes, unit conversions and a bulk finder for the contact emails websites publish.
Bulk Email Finder
Find the public contact emails of up to 10 websites at once — scans up to 10 pages per site, decodes protected addresses, picks out each site’s best contact email, and checks the business’s public social profiles and web listings when a site publishes none, free.
Password Generator
Generate strong random passwords with a length slider and character options.
QR Code Generator
Turn any link or text into a scannable QR code and download it as a PNG.
Unit Converter
Convert length, weight, temperature, volume and speed between US and metric units.