Escape text so it can be safely pasted into a JSON string, or unescape it back.
Luck predicts what you like
Unicode encoding conversion tool
Generate MD5, SHA hash values
Compare differences between two JSON files
Format and beautify SQL statements
Parse URL query strings into JSON or build clean query strings from JSON.
URL encoding and decoding tool
Calculate body mass index with metric or imperial units.
Create a simple wheel and randomly pick one option.
