Free calculators, converters, and generators for everyday life, home, money, and school.

Pick a tool below and get your answer instantly. Everything runs right in your browser, so nothing you type ever gets sent anywhere.

Guides & Comparisons

Short reads comparing related tools, so you know which one to reach for.

About ChompTool

ChompTool is a free, growing collection of calculators, converters, and generators for everyday life, health, home projects, finance, and school, plus text and image tools like a word counter, a QR code maker, and an image compressor. Every tool runs entirely in your browser: nothing you type or upload is ever sent to a server, and there’s no account to make. New tools get added over time, organized by category so the site stays easy to browse instead of turning into one long, overwhelming list.