Built here
Detours that do not leave the building. Every one of these is built and hosted by AltFTool, which means no redirect, no third-party trackers, and no chance of finding a parked domain where a website used to be.
One stroke. No undo. Find out how round you really are.
OpenPop one, pop a row, never run out.
OpenMove anything and it starts again.
OpenThere is nothing behind it. Press it anyway.
OpenTurn it on. It will disagree.
OpenOne pixel, one metre. The Moon is 384,400 km away. Good luck.
OpenFor days that have not gone especially well.
OpenSay it, watch it go, close the tab.
OpenLarger products that happen to also be excellent places to lose twenty minutes.
Games built here rather than embedded from elsewhere — no ads inside the frame and no third party watching you play.
A visual board for collecting images and ideas, without an algorithm deciding what you should have been collecting instead.
Lists, quizzes and the sort of low-stakes internet reading that fills a break without requiring anything of you.
Layer rain, wind, waves, fire and café chatter, then set each one to the level you want. Survives being left open all day.
India's monuments, crafts and regional history laid out as something you explore rather than something you revise.
Mash any keys and immaculate code appears on screen at speed. Enormously convincing to anyone standing more than a metre away.
Short, sourced facts arranged so one leads into the next. Built for the specific pleasure of learning something you can repeat.
Aircraft moving across a live map with routes, altitudes and speeds. Startling once you notice how much is up there at once.
The full arcade — hundreds of browser games sorted by type, all playable immediately with nothing to install.
Every key on the keyboard fires a different sound and a matching burst of animation. No two letters look or sound alike.
Fakes a phone's live activity banner — a food delivery, a match score, a boarding pass — for screenshots and mockups.
Generate a fake newspaper clipping, a talking animation or a ransom note. The 2005 internet, rebuilt so it still works.
Where each meme came from, when it peaked and what it turned into. The internet's own footnotes, properly sourced.
Build a convincing fake post, chat or notification for a joke or a mockup. Watermarked so nobody mistakes it for the real thing.
Type a surname and get where it came from, what it originally meant and where in the world it still clusters.
Spin a globe, drop on a city, hear whatever its local radio is playing right now. Works best somewhere you have never been.
Proper trait questionnaires with the scoring shown, rather than a quiz that decides you are a golden retriever.
Put one worry into a star and watch it shrink into the distance over sixty seconds. Faintly ridiculous, reliably effective.
Full-screen fake terminals, fake updates and fake system alerts. Harmless, closeable with Escape, and very funny on a colleague's screen.
Take a quiz or build one and send it on. Results are shareable without anybody having to make an account first.
Reaction time, visual memory, number span and typing speed, each scored against everyone else who has taken it.
An infinite canvas for rough diagrams and flows. Opens instantly with nothing to configure and no file to save first.
Long-form serialised fiction with a reader built for actually reading — chapter memory, no pop-ups, no interruptions.
Look out of a stranger's window somewhere else in the world for as long as you like, then swap to another one.