I love to make one-off tools available as websites. Simple, static, and available anywhere.
1rm.fyi
Calculates your 1-rep max for a given weight, nothing more & nothing less.
deductibles.fyi
Insurance companies are literally the worst.
quarter.fyi
Because I always forget what quarter we're in.
year.fyi
Useful for time-travelers. Open this page before New Years at midnight for a surprise.
dewpoint.fyi
Why use an expensive HVAC system when you could open your window to cool down?