Have text read out loud by your browser. Your text stays on your device unless your browser's own voice service handles it.
Work out an exact age from a date
Calculate body mass index
A full calculator
Change text between upper and lower case
Count the characters in text
Try HTML, CSS and JavaScript
Generate random colors
Convert hex colors to RGB
Measure your connection to this site
Generate letters from different languages
Generate placeholder text
Create an MD5 hash of text
Generate random numbers
Turn text into a QR code
Convert RGB colors to CMYK
Convert RGB colors to hex
A basic calculator
Time something
Generate random text
Compare two pieces of text
Find and replace in text
Have text read out loud
Work out a tip
Count the words in text