About Toolsloft

Toolsloft is a growing library of free online calculators, converters, and formatters. Every tool does one job, loads fast, and runs entirely in your browser. No signup, no paywall, no clutter.

How we work

We build small, focused tools and check the math before we publish them. Each calculator is verified against an independent reference, so the numbers you see hold up. When a tool gives an estimate rather than an exact figure, such as our tax calculators, we say so on the page and explain the assumptions behind it.

Privacy by default

The tools process your input on your own device. The numbers and text you type are not sent to a server to be calculated. You can read the full details in our Privacy Policy.

Get in touch

Found a bug, want a tool we do not have yet, or spotted a number that looks off? We want to hear it. Reach us on the Contact page.