Frequently used tools and useful device information such as
IP address,
user agent,
browser information (screen resolution height, width),
geolocation coordinates,
screen resolution,
converting text to upper/lowercase,
splitting into and merging from lines,
sorting,
finding unique values,
filtering alphanumeric characters,
trimming spaces or code tags,
encoding safe/nice URLs, to/from Base64,
Markdown tables and other text transformations,
date and Unix timestamp converters,
character and word counter,
Lorem ipsum dummy text,
temperature/liquid/weight/distance/speed unit converter...