About Toolhaus

Toolhaus is a collection of free, browser-based tools for everyday tasks: converting units and currencies, working with PDFs and images, formatting text and code, and running quick financial and health calculations. There's no sign-up and no installation — open a tool and use it.

Most tools run entirely in your browser: the calculation or file conversion happens on your device and nothing is sent to a server. A handful of tools that need live data — currency rates, weather, cryptocurrency prices, IP lookups, and DNS records — call a public third-party API to fetch that data; the specifics are listed on the Privacy page.

Toolhaus is an independent, ad-supported project. It's actively maintained, and tools are added and improved over time based on what people search for and ask about.