Interactive pages
5,235 interactive pages · most loved first · page 66 of 219· Tonble one of these
FotoForensics
A digital picture analysis site with error level analysis and metadata tools plus tutorials for spotting edited or manip…
Four Color Theorem Map Solver
A demo of the four color theorem where you draw a map of your own and the page colors every region for you, using no mor…
Four Thousand Weeks
A tribute to Oliver Burkeman's book that visualizes a human lifespan as roughly 4,000 weeks, a quiet reflection on time…
Fourhands
A browser jam room where two pianists play together over a peer-to-peer link, using a MIDI keyboard or the ASDFGHJK keys…
Fractal Explorer
Zoom endlessly into the Mandelbrot set in your browser, with GPU rendering that hands over to CPU math as you dive past…
Fractal Garden
An exhibition of mathematical beauty with interactive fractals, L-systems, and 3D recursive forms that you can explore,…
Fractal Gears
A mesmerizing browser toy where gears spawn ever-smaller gears in a fractal pattern, all turning together; tweak the set…
Fractal Generator
A browser fractal generator where you pick the equation, adjust colors and input parameters, and render the resulting im…
Fractal Lab
An interactive WebGL fractal explorer for navigating 2D and 3D fractals in real time, with controls for shaders, colors,…
Fractal.parts
An in-browser fractal viewer and editor where you can explore intricate fractal structures, tweak their parameters, and…
Fraidycat
A tool for following people across blogs, social feeds, and video channels from one page, built to keep you in the loop…
Frank Force Generative Art
An interactive portfolio site for Frank Force's generative art, built as an explorable experience rather than a plain ga…
FranklinWrite
A set of creative writing drills based on Benjamin Franklin's self-teaching method, where you study and rework passages…
Franzelio
A visual musical instrument where you draw lines to make music, then share your creation with a link so others can play…
Fraze.it
A sentence search tool that finds real-world example sentences containing any word or phrase, helping writers and learne…
FreddieMeter
Sing a Queen song into your microphone and an on-device machine learning model scores how closely your pitch, melody and…
Free Air Pump Map
A map of an ever-growing list of places that provide free air for tires, so you can skip the coin-operated pump when top…
Free Beat Maker
A free step sequencer where you stack kicks, snares, 808s, and effects into a beat, then export it as MP3 or MIDI with n…
Free Fireworks
A calm browser toy where you click anywhere on a night sky to set off as many fireworks as you like, then sit back and w…
Free Graph Paper
A graph paper maker that renders print-ready vector PDFs in the browser, with grid, dot, isometric, and lined layouts in…
Free High School Transcript Generator
A free browser tool from Nautilus Homeschool that builds a high school transcript from your courses and grades, handy fo…
Free Music Demixer
A tool that uses AI in the browser to split a song into separate stems such as vocals and drums, with no server upload a…
Free Summarizer
A no-signup web tool where you paste text or upload a file and get a short TL;DR summary in seconds, handy for skimming…
Freedom House Map
An interactive world map from Freedom House showing the state of political freedom and internet freedom in every country…
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