Small things that run in your browser.
11 tools and toys, built one evening at a time. Nothing tracked, nothing stored, nothing to install.
Newest
RealkreditnewTo boliglån ved siden af hinanden: kurs, bidrag i intervaller, banklånet oven på de 80 procent og rentefradraget. Fast mod flex, med og uden afdrag.Open it →
Software development
Colour, motion, concurrency and the tools around the work.SpringDesign a SwiftUI spring by response and damping, watch it settle, and copy the same motion as SwiftUI, CSS linear(), Compose or Framer Motion.
Claude Code, from zeroNine chapters from install to ready, each with a do-it-now checklist you run on your own repo. CLAUDE.md, prompts, the workflow, models and effort, rules, skills, agents and hooks, with a prompt grader and a final readiness check.
ActorsSwift actor isolation, drawn as rooms with doors. One task inside at a time, the rest wait outside, and every await opens the door again.
EasingA cubic-bezier editor. Shape the curve, watch the motion, copy the CSS. The motion tokens of this site came out of it.
OKLCH rampPick a hue and a chroma, get a perceptually even ramp and the CSS to paste. The tokens of this site were built with it.
Finance
Danish kroner, and where they actually go.RealkreditnewTo boliglån ved siden af hinanden: kurs, bidrag i intervaller, banklånet oven på de 80 procent og rentefradraget. Fast mod flex, med og uden afdrag.
Topskat 2026Where the Danish tax brackets bite. Salary in, take-home out, with the marginal rate at every krone and the distance to the next bracket.
Training
Barbells, and the arithmetic around them.Programme5/3/1, Texas Method or a linear progression from your four maxes, every set already rounded to the plates you own. Print it, or send the link.
PlatesType a weight in kg, see which plates go on the bar, heaviest at the collar. Tell it what you own and it works around it, with a warm-up ramp thrown in.