Tech
1,683 interactive pages · most loved first · page 18 of 71· Tonble one of these
Edit.Photo
A free online photo editor that runs in the browser with no ads, popups, cookies or account, built on WebGL and CSS tran…
Efflux
A tracker and clip-based music maker that runs in the browser, letting you sequence patterns, layer synths and samples,…
Eggradients
A collection of ready-to-use gradient background colors served in the form of eggs, each with hex codes you can copy for…
Electricity Maps
A live world map showing the carbon intensity of electricity in each region, revealing where the grid runs on wind, hydr…
Elevators
An interactive article on elevator scheduling that compares algorithms like SCAN and LOOK and lets you run a full simula…
elgooG Terminal
A 1980s-style BBS terminal take on Google with simulated modem sounds, a command prompt, and saved search results displa…
Elm.chat
A disposable encrypted chat room that needs no account, using single-use invites and keeping no server-side transcript o…
Email is Easy
A deceptively simple quiz that shows you email addresses and asks whether each one is valid, quickly revealing how bizar…
Emergency Wallet Cards
A free, no-ads tool for filling out, printing, and folding a small emergency information card that fits in a wallet next…
Emoji Repo
A searchable library of more than 1,900 emojis that you can copy or download as PNG and SVG, with explanations of what e…
Emojitracker
Watches emoji use in real time, a pulsing grid where every emoji flashes and its counter ticks up each time someone uses…
Emperor Cloth Simulation
A WebGL cloth simulation demo using soft body dynamics from ammo.js, where a piece of fabric drapes and reacts physicall…
EmuOS
A browser-based replica of an old Windows desktop from Emupedia, a video game preservation project, with classic games a…
Energy Mix Visualization
Shows the energy mix your visit relies on right now, from the server to the network to your device, as a colorful card y…
Engine Sound Forge
A physically modelled engine sound synthesizer that runs in your browser: shape and rev procedural car engines and hear…
Enigma
A working 3D model of the Enigma cipher machine where you can type, follow the electrical circuit through the rotors and…
Enigma
An interactive 3D Enigma machine you can type on, watching the rotors step and the signal path light up as each letter i…
Enigma Machine Emulator
An online emulator of the electro-mechanical Enigma rotor cipher machine, letting you set the rotors and encrypt or decr…
EnjoyCSS
A graphical CSS3 generator where you adjust gradients, shadows, and other styles with a simple interface and copy the re…
Entertrained
A typing practice app where you improve speed and accuracy by retyping passages from real books, with progress tracking…
Epochalypse
A live countdown to the moment 32-bit Unix time runs out, with a short explanation of the Year 2038 problem and why time…
Ermine.ai
A browser tool that records and transcribes speech entirely on your device using WebAssembly, so your audio is processed…
Esolang Park
Step through programs written in esoteric languages like Brainfuck, Befunge-93, Chef and Shakespeare in a visual debugge…
Eternal
A browser-based node editor for building music and visual effects by wiring together flow-based blocks powered by three.…
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