Unit Converter
Convert length, mass, temperature, volume, area, speed and data sizes as you type. Works offline and remembers your last units.
Works offline
implements
Small, sharp web tools. One subscription.
One subscription unlocks every tool. Each one installs to your home screen with its own icon, and most keep working offline.
4 tools in the catalog. Every tool has a public page with details and install steps.
Converters
Calculators
Trip Split
Split trip costs with friends who need no account and no app. Log who paid, split it any way you like, and share one link that shows who owes whom.
Time
Date Poll
Find the date that works for everyone. Share a link, friends vote Yes, Maybe or No without an account, and the best date rises to the top.
Other
To-do List
A simple, private to-do list that works offline. Add it to your home screen, tick things off anywhere, and it syncs to your other devices.
Works offline