Browse Apps

WebGL solar system simulator with accurate orbital mechanics and planet positions by date.

Convert mouse sensitivity between FPS games. Supports CS2, Valorant, Overwatch 2, Apex, Fortnite, CoD, R6, PUBG, and more. Shows cm/360 and eDPI.

A stunning 3D chess set rendered entirely in HTML and CSS. Play a full game of chess with beautiful piece animations.

Browse 148 named CSS colors, build palettes, save them to the cloud, and share to a community gallery. Filter by hue, sort by lightness, and export as CSS custom properties.

Toddler-friendly phonics. Hear letter sounds, blend them into simple words, and match what you hear to pictures. A first step toward reading, with no reading required.

An idle clicker that teaches the history of particle physics. Build accelerators, discover particles, and fund CERN.

Drop discs into the grid and try to connect four in a row horizontally, vertically, or diagonally.

A curated collection of creative front-end mini-projects: interactive animations, visual effects, and clever CSS/JS experiments.

An interactive particle sandbox. Drop sand, water, fire, and more and watch elements interact in a mesmerizing physics simulation.

A powerful browser-based pixel art editor with layers, filters, image-to-pixel conversion, and animation tools. Create retro-style artwork with modern features.

Classic 8-ball billiards with realistic physics. Aim, set your power, and sink all your balls before your opponent.

A puzzle game with real quantum mechanics. Guide photons through optical elements using superposition, entanglement, and interference.

A clean vector graphics editor for creating and editing SVG illustrations directly in the browser.

Generate music from math. Type a JavaScript expression and hear it as audio. An experimental way to create sound from pure mathematics.

Create entire web pages stored in a URL — write HTML, CSS, and JavaScript, then share as a single link. No server needed, everything lives in the address bar.

A full-featured motion graphics editor in the browser. Keyframing, masking, filters, text animations, chroma key, and video export — no plugins needed.

Elastic collision physics simulation. Click to create balls, drag to aim and shoot.

Roll beautiful 3D dice right in your browser. Supports multiple dice types (d4, d6, d8, d10, d12, d20) with realistic physics and animations.

A feature-rich Pomodoro timer with picture-in-picture mode, white noise, task management, detailed statistics, and multiple themes.

A visual recipe book for 2D graphics programming. Browse interactive examples of shapes, curves, transforms, and effects with live code.

Gravitational simulation of orbiting bodies. Add planets and stars to create your own solar systems and watch orbital mechanics unfold.

Generate harmonious color schemes using the OKLCH color model with CSS variable output.

Convert tables between CSV, Markdown, SQL, and HTML formats instantly. Paste data in any format, edit it in a spreadsheet-like form, and export to the format you need.

Compute mean, median, mode, standard deviation, and more from a data set.

Navigate a treacherous digital abyss in this high-speed 3D endless runner with neon aesthetics and AI pilot guidance. Dodge obstacles and survive as long as possible in the void.

An interactive 2D orbital mechanics sandbox. Spawn objects around a central star and watch gravitational orbits, velocity vectors, and collisions.

Interactive particle physics simulation with sand, water, stone, and plants.

A simple web-based music player with playlist management, playback controls, and track progress visualization. Perfect for learning web development basics.

Test your typing speed with real-time analytics, multiple difficulty modes, and category-based texts. Track WPM, accuracy, and streaks in a slick hacker-style interface.

Fast-paced tennis game built entirely with HTML and CSS DOM elements. Rally against the AI and score points.

Explosive local multiplayer game with emoji graphics. Up to 12 players on the same keyboard or gamepads.

A twin-stick shooter packed into 13KB of JavaScript and WebGL. Procedurally generated levels, multiple weapons, and neon retro aesthetics.

Grab, drag, and tear an interactive cloth simulation with satisfying canvas-based physics.

A Wordle-inspired game for binary numbers. Guess the hidden 8-bit unsigned integer in 8 tries using binary, decimal, or hex input.

Beautiful, accessible modals built with pure CSS and enhanced with JavaScript. Multiple styles, sizes, and animation options.

Interactive visualizations of 40+ data structures and algorithms — trees, heaps, graphs, hash tables, sorting, and more. A classic CS education resource.

Write HTML, CSS, and JavaScript with instant live preview. A lightweight CodePen-style editor in your browser.

A realistic fluid paint simulation powered by WebGL. Watch colors swirl and blend as you paint with lifelike brush physics.

A page displaying every standard HTML5 element. Great for testing CSS themes, browser rendering, and learning HTML5 tags.