DOCUMENTATION / START HERE
Useful things,
explained.
This is the manual for zentr.dev: what each project does, how to use it, and the decisions behind the whole slightly-chaotic collection.
PROJECT INDEX
Pick the thing you need.
School
School projects, experiments, and things built for class.
school.zentr.devFun
Visual explainers, curious simulations, geography, and small games.
fun.zentr.devTools
Seven browser-first tools for turning messy digital stuff into something useful.
tools.zentr.devStatus
A public view of service health, latency, uptime, and recent incidents.
status.zentr.devDrop
No-account, end-to-end encrypted file and text sharing that expires.
drop.zentr.devConvert
Detect a format, surface the right conversions, and work locally when possible.
convert.zentr.devTHE SHORT VERSION
What is Zentr?
Zentr is where I put things I build: practical browser tools, interactive explainers, temporary sharing, conversion utilities, school projects, and the status page that admits when any of them are broken.
THE POINT
I’m not trying to turn every useful button into a subscription. The goal is simpler: spend as little as possible, build something genuinely useful, and keep it pleasant to use.