About utils.bz

utils.bz is a growing collection of free online tools: calculators, converters, generators and text utilities. Each tool is designed to load fast, work well on phones and get out of your way.

Private by design

Every calculation runs locally in your browser. The numbers, dates and text you type are never uploaded to our servers.

Free to use

The tools are free to use. We show advertisements on tool pages (via Google AdSense) to help cover hosting and development.