Interactive pages
5,235 interactive pages · most loved first · page 36 of 219· Tonble one of these
Cochineal: Mexico's Red
An online exhibit from Harvard Museums of Science and Culture on cochineal, the insect-made red dye of Mexico, tracing i…
Code Beautify
A large set of free online developer tools, including beautifiers, formatters, minifiers, validators, viewers, and conve…
Code Your Own Flappy Bird
A Code.org tutorial level where you write blocks of code to build your own Flappy Bird game, a gentle way to learn progr…
Codeframe
An online pastebin-style playground for building websites with HTML, CSS, and JavaScript, where you can write and share…
Coin Value Estimator
A tool that quickly estimates the value of a jar of spare change, so you can find out how much money is sitting in your…
Cold War
A browser simulation platform of retro vector scenes themed on the Cold War, which play out on their own while you tweak…
Cold War
A browser simulation platform of eerie vector scenes - missiles, defenses and cities - inspired by Cold War war-game scr…
Collabogs
A music discovery site that visualizes artists as a web of collaborations, letting you follow shared projects from one m…
CollabVM
A web app that lets you control a shared virtual machine alongside strangers, where everyone's mouse and keyboard compet…
Collage Machine
A procedural collage generator that remixes cut-outs from more than 34,000 vintage magazines on Archive.org into endless…
Collaigo
A free online collage maker with templates, frames and grids that exports up to 4K with no watermark or signup and works…
Collision Detection
An online book with live canvas demos that teaches how objects collide in games and simulations, from points and circles…
Color & Contrast
An interactive guide to color for interface designers, with hands-on demos of hue, saturation, contrast and color percep…
Color Arena
A voting site where you pick your favorite colors against others and watch a global leaderboard show which shades win mo…
Color Challenge Hue Test
A free online color vision test where you sort rows of tinted blocks into smooth gradients, then get a score showing how…
Color Clock
A clock that turns the time into a shifting background color, a useless but mesmerizing way to watch the day pass hour b…
Color Clock
A minimal clock that turns the current time into a colour, so the screen slowly shifts hue through the day and you can l…
Color Coder
A "What Color Are You?" quiz with over 16 million possible color outcomes, turning your answers into a personal color th…
Color Controversy
A quirky color-perception project that asks where one color name ends and another begins, collecting votes from visitors…
Color Designer Gradient Generator
A gradient generator that blends one color into another and shows the many in-between shades, ready to copy into a desig…
Color Dot Font
A typeface built entirely from coloured circles, where each letter becomes a pattern of dots; type your own words and wa…
Color Flip
Rafael Rozendaal net-art piece from 2008: a single web page that flips through bold flat colors like a minimalist flip b…
Color Journey
A 3D explorer for all 16,777,216 RGB colors, letting you fly through the color space and discover how every shade relate…
Color Names
Wander through almost 32,000 colors, each named by a person, laid out as a space of color cards hanging where their colo…
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