Collection
Silent by default, visually unremarkable over a shoulder, and free of anything that would make a passing manager slow down.
1,201 sites · page 23 of 26
A collection of single-purpose online tools for web makers, from favicon makers to CSS generators, sorted by topic and searchable in one box.
A rescue that livestreams its foster kittens and feral colonies around the clock, with vets narrating in the chat.
Drag in PNGs and JPEGs and they come back far smaller with no visible difference. Nothing else to learn.
One line of maths drives a sixteen-by-sixteen grid of dots, and the gallery of what people fit into that line is humbling.
A daily five-minute roundup of tech, science and programming news, with every issue also readable on the website.
A quick whiteboard in the browser: sketch boxes, arrows and doodles, share a link and draw together in real time without making an account.
The outlet that breaks the story first and considers taste afterwards, with a documented record of being right.
Reddit's fact firehose, where each post is one verified surprise with the source link attached underneath.
Scanned cereal boxes going back decades, with full career histories for the mascots, maintained purely for its own sake.
The onion router straight from the people who maintain it — the browser download plus a plain-English account of how the relays work.
Text-based crime MMO running since 2004, where the market, the gyms and the prison are all operated by other extremely committed players.
Match-three fused with tower defence, so every swap you make is also the wave you are currently surviving.
Click to place a block and a small algorithm builds a plausible seaside town around it, with no goal of any kind.
Paste a single screenshot and it names the anime, the episode and the exact timestamp. Unreasonably accurate for something free.
Guess the country from a treemap of what it exports, which turns out to be an oddly precise national fingerprint.
Tracks what you have watched across every service and tells you which episode is next in the series you abandoned in March.
Bounces a sentence between English and Japanese until the two versions agree, which they rarely do politely.
The browser strategy game half your school was awake at 3am for, still running, still fundamentally about raiding villages.
Get from one country to another by naming every country in between, with the shortest workable route scoring best.
Medieval village building and tribe politics from 2003, where the real game is coordinating twenty players inside a spreadsheet.
Bridge, euchre, hearts and spades against bots or friends, on a table that behaves the way a real one does.
Send tiny creatures up an infinite tower, die, come back stronger. Years of content behind an interface that gives no quarter.
Raw model output laid out for people who want to read the charts themselves, and the page hurricane watchers keep open all August.
Australia's national archive of newspapers, websites and photographs, digitised back to 1803 and open without an account.
Fly down a rotating tunnel of coloured obstacles quickly enough that your eyes take over the steering from your brain.
Write a Turing machine in a few lines and watch the tape head shuffle back and forth carrying it out.
Plotter art drawn by a virtual turtle in a hundred-odd lines of JavaScript, with everybody's source code on display.
A taxonomy of every storytelling device ever used, cross-linked so densely that leaving takes actual discipline.
The tool behind half the interactive fiction of the past decade, running in the browser and learnable in about twenty minutes.
Practise typing by working through actual novels, so the warm-up leaves you a few pages of Dostoevsky instead of nonsense.
Races you against real people typing the same passage, which is the only known method of making a typing test tense.
A complete free typing course with lessons, tests and games, the sort of thing schools pay for and this one does not charge.
Typing practice on real open-source code, complete with the brackets and semicolons that ruin everyone's average.
Structured typing lessons with a hand diagram that shows precisely which finger you have been cheating with all along.
Old-school pattern library that explains the problem each interface pattern solves before it shows you examples.
The British Library's record of the UK web, collected under legal deposit — including sites their owners deleted years ago.
The community record of Cicada 3301, the recruitment puzzle whose final book has still never been deciphered.
You are an AI told to make paperclips, and you follow that instruction all the way to its conclusion. Four hours, one button to begin.
Uno against bots or friends, with the draw-four arguments fully intact and no cards to lose under the sofa.
High-resolution photographs from a huge community of photographers, free to download and use. Browse by topic or colour without signing up.
A roguelike you escape by editing the JavaScript that builds each level, which is considerably more forgiving than it sounds.
Flips your sentence using Unicode lookalikes, so it survives a paste into anywhere that accepts plain text.
Where teenagers make the quizzes: which sad indie song are you, which Greek deity would pity you. Anyone can build one in minutes.
A small publisher of deliberately pointless web projects, including several gag sites you have probably been sent.
Every earthquake recorded anywhere in the last thirty days, sized by magnitude and clickable all the way down to the seismograph traces.
Boots Linux, Windows 98 and other complete operating systems in a tab, via an x86 emulator written in JavaScript.
The browser build of the auto-shooter that ate 2022: you only move, everything else fires itself, and the screen fills with skeletons.
Curiously awesome products sold through absurd demonstration videos, most of which are more entertaining than the item itself.
Every entry in Detour is hand-sorted rather than scraped: filed under one category, given one to three moods, and placed in a time band for how quickly it pays off. The practical facts — cost, sign-up, sound, device and whether it is safe at a desk — are recorded per site and shown on every card, so you can rule things out before you click.
1,201 sites, each hand-sorted by category, mood and how long it takes to pay off. 18 of them are AltF originals that run right here.
1,132 of the 1,201 are free and need no account. 2 are paid or freemium, and the card says so.
757 of 1,201 work on a phone; the rest are desktop only. 1,201 are safe for work and 1,201 work with the sound off.