Ten minutes to kill

Compress an image with a live before-and-after slider and every codec knob exposed. Runs entirely in the browser, so nothing is uploaded.

Wiggle the mouse and a black worm follows; wiggle harder and it strobes violently, so treat the epilepsy warning seriously.

Ask a sports question in plain English and get the actual numbers back with a chart. Ends pub arguments in about four seconds.

The planetarium in a browser tab — set your location and it shows exactly what is above you right now.

Swing a stick figure between grapple points using one button, then trust momentum to carry the mistake.

A word search with a theme you have to deduce first, and one spangram threading corner to corner through the grid.

The endless runner that ate mobile gaming, in a browser tab with the trains, the hoverboards and the shouting guard intact.

Drop fruit into a box, merge matching pairs and watch the pile creep towards the line. Physics does the rest of the work.

Tick off what is genuinely in your cupboards and it ranks the recipes you can make right now, with nothing missing.

Name something you liked and it returns things with the same texture, spanning films, books, music and games at once.

A collaborative database of example sentences translated across languages, better than any dictionary for context.

Non-commercial web search indexing only pages carrying no ads or trackers at all. A very small and very different internet.

Sprint away from a large monkey along a crumbling temple path, dying at the same badly signposted corner every time.

The other GIF keyboard, with better tagging for reaction clips and a sticker library your phone already quietly uses.

Graded summaries of the terms you agreed to without reading, with the specific alarming clause quoted. Volunteer-run since 2012.

One click copies the Lenny face, the shrug or the look of disapproval to your clipboard, correctly escaped.

Type a word, pick from several hundred FIGlet fonts, and get the enormous ASCII banner your terminal deserves.

Converts an uploaded photograph into ASCII, HTML or coloured text art, with the character density under your control.

An air horn in a browser tab, installable offline, built by Google engineers as a demo and adopted as a weapon.

A personality test that assigns you one of forty-odd animals, with write-ups considerably sharper than the premise deserves.

Spawns browser windows that dance around the screen and refuse to sit still, harmless but genuinely infuriating.

One button, escalating nonsense, and no way onward except pressing it again. Works on a phone, which is the danger.

One large red button and a clear instruction not to press it. It gets increasingly personal about the fact that you keep pressing it.

British satire in short bitter columns, mostly concerning the middle classes and the people who irritate them.

Bisect angles, find midpoints and judge parallels by eye, then get told in pixels precisely how wrong you were.

The original page describing the World Wide Web project, restored by CERN at its first address. Plain text and a few links.

One of the first things the internet ever collectively lost its mind over, and it is still rows of dancing rodents and one loop.

Good news redrawn as illustrations by a designer who got tired of doomscrolling and built the feed he wanted instead.

Two Google search terms, one question: which one gets searched more? Your instincts are far worse than you think they are.

One cat looking at a monitor showing a cat looking at a monitor, several thousand cats deep and still accepting submissions.

Every possible page of text that could ever exist, already written, sitting at a findable address.

Scroll the length of an absurdly elongated shiba inu, with checkpoints and a leaderboard for the truly committed.

A student sold a million pixels of advertising at a dollar each in 2005. The mosaic is still up, and most of the links now go nowhere.

Ten thousand sheep drawn by anonymous online workers paid two cents each, displayed together as one enormous grid.

Australian satire in short sharp headlines, which is roughly the national attention span for domestic politics.

Scroll outwards from a human to the observable universe, with each step making the previous one look absurd.

Millions of uploaded Minecraft skins plus an editor, which is the closest thing that game has ever had to a fashion scene.

Drag countries across the Mercator projection and watch Greenland shrink to its actual size. Settles the argument in about ten seconds.

Flick the switch on. A small hand reaches out and turns it off again. That is the entire website and it is somehow enough.

One button, one random pointless website, no explanation offered or needed. The site that turned this whole genre into a genre.

Type anything at all and watch it drift upward and dissolve. Nothing is stored, nothing is sent, nothing can be recovered.

Nearly a trillion saved web pages. Paste any address, pick a year, and see what was there — the single most important archive online.

Race from one Wikipedia article to another using only links, against a clock and other people online.

A painting that zooms into itself forever, assembled by a dozen artists so carefully that the seams never quite show.

Live positions and finder charts for planets, comets and asteroids, updated continuously and free of clutter.

One photorealistic portrait of somebody who has never existed, regenerated on every refresh. The page that started the whole genre.

Invented dictionary entries complete with etymology and a usage example, none of them real words. Several of them deserve to be.

Reverse image search that finds the oldest copy of a picture rather than visually similar ones. The tool for tracing where a photo began.