About useKits

useKits is a growing collection of free online tools — calculators, handy utilities, and quick mini games — built to solve small everyday problems fast. No installs, no sign-ups: open a page and get your answer.

What we believe

• Instant & free. Every tool works in the browser in a tap, on any device.
• Clean & honest. Simple interfaces, clear results, no dark patterns.
• Always growing. We add new tools and games regularly based on what people actually search for.

What you'll find

• Calculators — margins, discounts, and more everyday math.
• Utilities — lightweight helpers like a character counter.
• Mini games — quick, fun decision-makers and time killers.

How it's funded

useKits is free to use and supported by advertising. Ads let us keep every tool free for everyone. See our Privacy Policy for how advertising and cookies work here.

Say hello

Got an idea for a tool, or found a bug? We'd love to hear it — reach us on the Contact page.