Generate and practice prefixes and suffixes
Learn and Practice Morse Code!
Explore and preview all CSS cursor types
Watch numbers count up in decimal, binary, octal and hexadecimal
Visualize how frequently each digit (0-9) appears in the first million digits of π
A terminal emulator that uses localStorage as a virtual filesystem
Test and experiment with different CSS styles and effects
Watch your keystrokes fall and bounce around the screen
Track how far you've scrolled in real-world distances
Experience a supersized cursor that follows your mouse
Discover rare and special numbers as you scroll infinitely
See when you last visited and get a greeting
Create personalized birthday celebrations with effects
Interactive particle system with mesmerizing visual effects
Check how secure your password is with sassy feedback
Chat with a sassy AI assistant
Draw and save geometric shapes as images
Interactive story writing experience
Interactive grid of checkboxes
Use your imagination on this one!
Click anywhere to unleash epic comic book action effects!
A button that should not be pressed under any circumstances
Ask the mystical 8 ball your questions
Track how many times you've visited this page
Count the characters in your text
Randomly select names from a hat
Find the time difference between two locations
Give a year, tell if its a leap year
View ASCII codes for keyboard keys
Track your blood alcohol content (BAC) level
Preview and copy web-safe font stacks
Generate secure random passwords
Generate a random color
Find out your screen resolution and device specs
View all available metadata about your device and browser
Interactive color scheme visualization
A collection of loading animations
Play a 3D version of the classic snake game with improved graphics and physics
Solve a sliding puzzle by rearranging tiles to form a complete image
Draw something new every day based on a daily prompt
Virtual bottle spinning game
Try to enter the largest number possible
Find the target emoji hidden among decoys
Play music on a virtual piano keyboard
Test your reflexes in this classic children's game
Keep a stick balanced as long as you can
Classic Pong
Watch marbles race down a track in a tournament
Play tic tac toe without boundaries
Daily color guessing game
Watch the MDR Department dance to your favorite tunes
Look at the lyrics to songs without lyrics
Look at a triangle with an angle of 89 degrees
I AM NOT CRAZY!
A fun interactive way to learn about the number 4
HOW MANY DAYS UNTIL CHRISTMAS AHHH
Helps you figure out your priorities for the day...
A way to "sincerely" apologize to anyone you have wronged
A fun interactive yes/no question with a twist
Play classic meme sound effects and download them
Wait and watch the egg hatch!
Just watch as you are continuosly wow'd
Watch interdimensional cable shows from across the multiverse
Watch a bouncing ball create psychedelic trails
Watch digital water drip down your screen
Browse and copy endless stock photos for your projects
Generate Shakespearean-style insults
Watch the DVD logo bounce around the screen
Generate creative excuses for being late
Your phone has a crack in it
Your daily dose of disappointment
Smash blocks and relieve stress in this destructive game
Guided breathing meditation with calming animations
Start your day with peaceful, positive affirmations
Two parallel lines that move infinitely but never meet
Every day, a new color from the RGB spectrum is displayed in a 45,964-year journey
View the vast endlessness of numbers