Heytools - JavaScript tools, AJAX tools and some fully server side tools.
CONVERTCP - CONVERTCP is a command line utility to convert text file encoding.
WordCounter.net - Count words, sentences, paragraphs etc.
ConvertZ - ConvertZ is a program to convert Chinese/Japanese codes.
TextBuddy for macOS - A Swiss Army knife for plain text.
CpConverter - Code Page Converter - Convert HTML/Text files to different encoding formats e.g.