useful tools,
made small and private

nuttig adj. Dutch useful

nuttig:convert

[ in development ]

unit conversion, with the gotchas explained.

more useful tools, coming when they're ready.

We make small useful tools. Local-first, no accounts, no tracking, no subscriptions. The apps work offline, your data stays on your device, and you pay once.

Made by Ashby, a small studio in the Netherlands. ashby.systems →