Invert the colors of a CSS stylesheet
... Or anything that contains hexadecimal or rgb declarations.
Invert CSS
No javascript, no fun.
Cryptography
Shift cipher
Vigenère cipher
Alberti cipher disc
Wheel cipher
DRYAD pad
Stick cipher
Text to HTML Colors
Morse Code
Common tools
Trickle
PGP Word List Tool
Tools
String tools
Color Picker
CSS Color inverter
Markdown
Toys
Blue Screen of Death
Continue
Random Phrases
Zen search
Emoji text
Ferris the rustacean
Fibonacci
Motivation