Beyond Compare - Beyond Compare allows you to compare files and folders.
CpConverter - Code Page Converter - Convert HTML/Text files to different encoding formats e.g.
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
Batch Encoding Converter - Convert files between more than 100 text encodings and binary formats!
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.
UTFCast - UTFCast Professional is an efficient Unicode converter for windows. It can convert massive amounts of text to UTF-8, UTF-16 and UTF-32 at a very high speed. It supports over 30 codepages and has the ability to convert extra-large size files.