Dog Pregnancy Calculator (Omni Calculator)

Interactive story about how anxiety feeds on itself and a few ways to interrupt it.

Recipe keeper that turns a pasted link into a clean card of ingredients and steps, stored locally with no account.

Mood journal where each day gets a color and a note, building a year-long grid of pixels.

Gives grams of ethanol and calories in a drink plus a rough Widmark-style blood alcohol figure.

Estimates body fat from height and body girths with the Hodgdon-Beckett method and reports BMI.

Models caffeine still in your system now and at bedtime, given doses and a chosen half-life.