Text Magician was designed to let you edit your text files easily.

Join or split files while adding, deleting or replacing text, change to upper or lower case, capitalise all words or the start of all lines, add text to the start or end of lines, remove leading or trailing spaces, add or remove blank lines, remove text blocks, alphabetise lines in file(s), split files at specified lines or text or into a specified number of files, works on multiple files and on files of unlimited size. The author wrote this for my use after I couldn't find a program to do what I wanted, it's extremely easy to use with a simple interface.